Diaphragm Vacuum Pumps and Vacuum Generators
Last Updated: April 1, 2025
Description
Diaphragm vacuum pumps are dry pumps that utilize a pulsing motion to move air. They are designed to handle a variety of samples, including those containing solvents and acids, due to their resistance to corrosives. Vacuum generators, such as Venturi vacuum generators, create a vacuum using a different mechanism, often involving the flow of compressed air through a nozzle.
Working Principle
Diaphragm vacuum pumps operate on the positive displacement principle. They use the oscillation of a flexible diaphragm, driven by a reciprocating or eccentric "rocking" rod, to create a vacuum. This design isolates the pumped fluid from the pumping mechanism, ensuring a clean vacuum. The diaphragm's movement increases the chamber volume, reducing pressure and drawing in fluid, and then decreases the volume to expel the fluid. This operation is akin to the breathing process in humans. Vacuum generators, like Venturi generators, work by passing compressed air through a nozzle, creating a low-pressure area that draws in surrounding air or gas, generating a vacuum.
Applications
Diaphragm vacuum pumps are commonly used in applications such as simple vacuum filtration, thin film evaporation, distillation, sample movement, and gel drying. They are also suitable as backing pumps for high vacuum turbomolecular pumps. However, they are not suitable for freeze drying due to insufficient vacuum depth.
Advantages over other Vacuum Pumps and Vacuum Generators
Diaphragm pumps offer several advantages, including their dry operation, which eliminates the need for oil and reduces maintenance. They are resistant to corrosive substances, making them ideal for handling a wide range of samples. Additionally, they provide a clean vacuum, which is valuable for analytical applications. Compared to other pumps, diaphragm pumps are quieter and more economical, with the ability to achieve lower ultimate vacuums.
Limitations
One significant limitation of diaphragm vacuum pumps is their inability to achieve the deep vacuums required for applications like freeze drying. They also have a lower ultimate vacuum range compared to some other types of pumps, such as diffusion or turbomolecular pumps.
Considerations
When selecting diaphragm vacuum pumps, consider the initial costs, which can vary based on the pump's specifications and capabilities. Operating expenses are generally lower due to the absence of oil and reduced maintenance needs. Diaphragm pumps are durable, but their performance can be affected by the type of materials used in their construction, especially when handling corrosive substances. Replacement and maintenance costs are typically lower compared to oil-sealed pumps, as there is no need for frequent oil changes.
from Gast Group
Gast diaphragm units require no lubrication making these units ideal for critical applications found in medical facilities, laboratory equipment, air sampling devices, portable gas detectors and dental equipment. Outstanding performance, durability and flexibility make Gast oil-less diaphragm air... [See More]
- Mechanical: Diaphragm; Compression / Pressure Service
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical; Diaphragm
- Application: Industrial
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm liquid /vacuum pumps are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transfer red to a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Hydrophonics, Fireplace, Printer Machine, Medical Equipment, Cleaning Equipment, Lab Testing
from Clark Solutions
The DC motor driven Boxer 3000 diaphragm pump is ideal for pressure or vacuum applications where low current and reliability are the prime requirements. Boxer 3000 diaphragm pumps are manufactured in non-corrosive materials. The wetted path is metal free. Silicone diaphragm and valves allow... [See More]
- Mechanical: Diaphragm; Compression / Pressure Service
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from Thomas An Ingersoll Rand Business
Features & Benefits. Single cylinder. Oil-less operation. Quiet, low pulsating head design. Permanently lubricated bearings. Reinforced plastic head and connecting rod assemblies. Balanced for smooth, low vibration operation. Range Technical Overview. Capacity up to 0.65 cfm / 18.4 l/min. Vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
For applications requiring an especially high leak tightness of the pump, we recommend the MD 4CRL NT. The three-stage construction provides the advantageous combination of high pumping speed and very low ultimate vacuum of 2 mbar. All major parts of the MD 4CRL NT in contact with pumped media are... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from Edwards Vacuum
The D-LAB membrane pumps with their chemically resistant Teflon heads, diaphragms and Kalrez valves offer the chemical or pharmaceutical laboratory user a wide range of choice, either used as stand-alone pumps or as part of a sophisticated system. The one head, 100 mbar ultimate vacuum pumps are... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from Gardner Denver, Inc.
Vacuum Pumps & Systems. Visit Industrials Group - Vacuum Pumps. Gardner Denver is a leading global provider of high quality industrial equipment, technologies and services. Our engineering expertise, coupled with worldwide manufacturing and service capabilities, ensure the most reliable, energy... [See More]
- Mechanical: Claw; Diaphragm; Liquid Ring; Regenerative Blower; Rotary Vane; Rotary Screw; Compression / Pressure Service (optional feature)
- Configuration: Individual Vacuum Pump (optional feature); Vacuum Pump System or Station (optional feature)
- Vacuum Pump Type: Mechanical
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump featuring PTFE heads, PTFE-coated diaphragms and FFPM valves. An integrated self-drying system prevents the accumulation of condensates within the pump heads. Ideal for applications with exceedingly wet vapors. Highlights. Flow Rate (max.): 20... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical
from Terra Universal, Inc.
Available in standard and chemically resistant versions. Compact, practical solution for vacuum range 1000 to 1 mbar. Quick, simple maintenance and service work. Optimized design for excellent final vacuum. Oil-free, low noise level. For dry, oil-free applications in the rough and medium-high vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
The TF30A Series offers multiple component configurations allowing them to be used for either vacuum operation, liquid transfer, or alternating operations. The innovative, compact design incorporates leading edge technologies that allow it to operate harder, quieter and longer. It is more reliable... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Hydrophonics, Fireplace, Printer Machine, Medical Equipment, Cleaning Equipment, Lab Testing
from Clark Solutions
The KPMS series pumps incorporate two mini-diaphragms operated by a rocker arm attached to an eccentric on a motor shaft. The function is simple and reliable. KPMS pumps are remarkably small, ranging in overall length from 31 mm to 115 mm. In addition to small size and light weight they offer... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: OEM
from Thomas An Ingersoll Rand Business
Features & Benefits Oil-less pump operation Maintenance freeSealed air path for contamination free analysisLight weight and compact package size fits requirements for handheld equipmentHigh efficiency resulting in extended battery lifeLow inductance level enables operation in "Intrinsically Safe"... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory; Gas Detection, Leak Detection
from VACUUBRAND, Inc.
Chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors. The single-stage construction provides the advantageous combination of high pumping speed and ultimate vacuum down to 70 mbar. All major parts in contact with pumped media are... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump featuring PTFE heads, PTFE-coated diaphragms and FFPM valves. An integrated self-drying system prevents the accumulation of condensates within the pump heads. Ideal for applications with exceedingly wet vapors. Highlights. Flow Rate (max.): 34... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical
from Terra Universal, Inc.
Available in standard and chemically resistant versions. Compact, practical solution for vacuum range 1000 to 1 mbar. Quick, simple maintenance and service work. Optimized design for excellent final vacuum. Oil-free, low noise level. For dry, oil-free applications in the rough and medium-high vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm liquid/vacuum pumps are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transfer redto a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Hydrophonics, Fireplace, Printer Machine, Medical Equipment, Cleaning Equipment, Lab Testing
from Clark Solutions
The KPV series pumps incorporate two mini-bellows operated by a rocker arm attached to an eccentric on a motor shaft. The function is simple and reliable. At 42 mm (1.68") and 55 mm (2.2") in length, KPV14-A and 20A pumps are remarkably small. In addition to small size and light weight they offer... [See More]
- Mechanical: Diaphragm; Mini Bellows
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Medical / Laboratory; OEM
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less operation. Permanently lubricated bearings. Stainless valves. Die cast aluminum head, valve plate and diaphragm hod down plate with dichromate conversion treatment. Balanced for smooth, low vibration operation. Field service capability. Range Technical Overview. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
The RC 6 chemistry-HYBRIDTM pump is a combination of a two-stage rotary vane pump and a two-stage chemistry diaphragm pump, providing 10-3 mbar vacuum with optimized corrosion resistance. The diaphragm pump maintains the oil reservoir under vacuum in order to keep the partial pressures of solvent... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant diaphragm vacuum pump featuring PTFE heads, PTFE-coated diaphragms and FFPM valves. An integrated self-drying system prevents the accumulation of condensates within the pump heads. Ideal for applications with exceedingly aggressive and wet vapors/gases. Highlights. Flow Rate... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical
from Terra Universal, Inc.
Low price vacuum pumps for filtration, drying and degassing. Standard and chemically resistant models. Extremely low noise and vibration with twin head design. Plug and play wide-range power adaptor. These compact new models are comprised of a small twin head diaphragm pump enclosed in a robust... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
The TM30A offer multiple component configurations allowing them to be used for either vacuum operation, pressure operation, or alternating vacuum and pressure operations. The innovative, compact design incorporates leading edge technologies that allow it to operate harder, quieter and longer. More... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Clark Solutions
Model 011 miniature pump is a excellent pressure/vacuum source for gas analyzers, medical devices, process samplers and other analytical instrument applications. The pump is quiet, reliable and mounts in any position. The unit operates oil free and the available wetted materials offer excellent... [See More]
- Mechanical: Diaphragm; Compression / Pressure Service
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Scientific; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Specifically designed for fuel cells. Oil-less operation. Stainless steel valves. Permanently lubricated bearings. All wetted aluminum parts treated for corrosion protection. Balanced for smooth, low vibration operation. Range Technical Overview. Capacity up to 0.97 cfm /... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
Single-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of gases and vapors at modest vacuum levels. Typical applications are vacuum ovens, filtrations and multi-port manifolds for medium throughput, as well as pumping of gases and oil-free evacuation in general. The... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from KNF Neuberger, Inc.
Chemically resistant, compact and oil-free diaphragm vacuum pump with manual speed control for adjusting the pump capacity to your specific application. It features a gas ballast, PTFE/TFM heads, PTFE-coated diaphragms and FFPM valves. Suitable for a wide range of Laboratory applications including... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Available in standard and chemically resistant versions. Compact, practical solution for vacuum range 1000 to 1 mbar. Quick, simple maintenance and service work. Optimized design for excellent final vacuum. Oil-free, low noise level. For dry, oil-free applications in the rough and medium-high vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm pumps and compressors are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transferred to a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Clark Solutions
Model 015 LC miniature pump is an economical pressure/vacuum source for gas analyzers, medical devices, process samplers and other analytical instrument applications. The pump is quiet, reliable and mounts in any position. The unit operates oil free and the available wetted materials offer excellent... [See More]
- Mechanical: Diaphragm; Compression / Pressure Service
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Scientific; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits Compact designLow sound levelLow power consumptionOil-lessRange Technical Overview Capacity up to 0.2 cfm / 5.5 l/minVacuum to 22.1 in.Hg / -750 mbarCapable of restarting up to 22.1 in.Hg / -750 mbarPossible Applications Analytical instruments such as gas analyzers and monitoring... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
Chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors. The one-stage construction provides the advantageous combination of high pumping speed and ultimate vacuum down to 70 mbar. All major parts in contact with pumped media are made... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Packaging; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Chemically resistant, compact and oil-free diaphragm vacuum pump with manual speed control for adjusting the pump capacity to your specific application. It features a gas ballast, PTFE/TFM heads, PTFE-coated diaphragms and FFPM valves. Suitable for a wide range of Laboratory applications including... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Available in standard and chemically resistant versions. Compact, practical solution for vacuum range 1000 to 1 mbar. Quick, simple maintenance and service work. Optimized design for excellent final vacuum. Oil-free, low noise level. For dry, oil-free applications in the rough and medium-high vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm pumps and compressors are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transferred to a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Clark Solutions
The AC range of the Series VIB vibrating armature gas pumps has been specifically developed for applications which require high and constant performance over long periods of time. The VIB boxer pumps are used in medical equipment, gas analyzers and other instrumentation where reliability under... [See More]
- Mechanical: Diaphragm; Compression / Pressure Service
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Scientific; Medical / Laboratory; Instrumentation
from Thomas An Ingersoll Rand Business
Features & Benefits. Twin diaphragm. Low sound level. Low vibration. Low current consumption. Oil-less. Range Technical Overview. Capacity up to 0.4 cfm / 11.0 l/min. Vacuum to 26.5 in.Hg / -900 mbar. Capable of restarting up to 26.5 in.Hg / -900 mbar vacuum. Twin design. Possible Applications. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
Chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors. The one-stage design of the ME 8C NT pump provides high pumping speed and ultimate vacuum down to 70 mbar. All major parts in contact with pumped media are made of chemically... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Packaging; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 10 l/min. Ultimate Vacuum (max.): 8 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Two-stage pumps for quicker and more efficient vacuum pumpdown. Quiet operation. Very low maintenance. ON/OFF Switch and internal protective thermal switch for the motor. Vibration isolating feet. Ilmvac MP Series Standard Duty Membrane Vacuum Pumps are dry and oil-free for minimized maintenance. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
The TM30B offer multiple component configurations allowing them to be used for either vacuum operation, pressure operation, or alternating vacuum and pressure operations. The innovative, compact design incorporates leading edge technologies that allow it to operate harder, quieter and longer. More... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Balanced for smooth low vibration operation. Low sound level. Small. Light weight. High efficiency. Range Technical Overview. Capacity up to 0.02 cfm / 0.5 l/min. Vacuum to 13.3 in.Hg / -450 mbar. Capable of restarting up to 4.4 in.Hg / -150 mbar... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
Chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors. The four-stage pumping of the MV 10C NT pump provides the advantageous combination of excellent pumping speed and ultimate vacuum down to 0.6 mbar. All major parts in contact... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. It features a PTFE head, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 20 l/min. Ultimate Vacuum (max.): 100 mbar (abs.). Clean, 100% oil-free operation. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Two-stage pumps for quicker and more efficient vacuum pumpdown. Quiet operation. Very low maintenance. ON/OFF Switch and internal protective thermal switch for the motor. Vibration isolating feet. Ilmvac MP Series Standard Duty Membrane Vacuum Pumps are dry and oil-free for minimized maintenance. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm pumps and compressors are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transferred to a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less operation. Permanently lubricated bearings. Stainless steel valves and lapped aluminum valve plates. Die-cast aluminum heads and diaphragm hold down plates. Balanced for smooth, low vibration operation. Long-life diaphragms. Field service capability. Dichromate... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
The new ME 1C diaphragm pump is a compact, high performance and easy-to-use vacuum pump that is well-suited to simple aspiration and filtration applications with aggressive reagents. The small footprint and convenient top-mounted power switch make this a handy partner on the bench for day to day lab... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 20 l/min. Ultimate Vacuum (max.): 8 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Features Advanced Vapor Management(AVM) for adjustable vacuum control. Chemical Resistantwetted parts tolerate all routine laboratory solvents/corrosives. Quiet, sleek and compact. Welch Dry Fast Chemical Duty Dry Membrane Vacuum Pumps are oil-free for minimized maintenance and maximum resistance to... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific
from TOPS Industry & Technology Co., Ltd.
TOPSFLO micro diaphragm pumps and compressors are based on a simple principal, the circular power from the motor is converted into oscillating movement by an eccentric, which moves up and down its central point, this motion is then transferred to a diaphragm by means of a connecting rod, an elastic... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Printer Machine, Medical Equipment
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less operation. Engineered resin and die cast aluminum components. EPDM umbrella valves. EPDM diaphragm. Thermally protected motor. Continuous duty. All wetted aluminum parts treated for corrosion protection from moisture. Range Technical Overview. Capacity up to 0.8 cfm... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
This 1.5 mbar oil-free chemistry vacuum system has a wide range of applications like evacuation, evaporation and pumping of gases and vapors in chemical, biological and pharmaceutical laboratories that do not require condensation of solvent vapors at the outlet. This system is well proven for high... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features a PTFE head, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 34 l/min. Ultimate Vacuum (max.): 100 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Terra Universal, Inc.
Oil-less design for low maintenance, clean operation. Low cost and extreme reliability make this diaphragm pump ideal for general-purpose laboratory applications. Also suitable for wire bonders, die bonders, scribers, breakers, probing stations and many other kinds of microelectronics manufacturing... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from TOPS Industry & Technology Co., Ltd.
The Double head pump TMD40 Series offers multiple component configurations allowing them to be used for either vacuum operation, pressure operation, or alternating vacuum and pressure operations. The innovative, compact design incorporates leading edge technologies that allow it to operate harder,... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Medical / Laboratory; Nasal Aspirator, Vacuum Preservations, Aroma Diffuser, Lab Testing, Medical Equipment
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Balanced for smooth low vibration operation. Low sound level. Small. Light weight. High efficiency. Range Technical Overview. Capacity up to 0.035 cfm / 1 l/min. Vacuum to 14.2 in.Hg / -480 mbar. Capable of restarting up to 14.2 in.Hg / -480 mbar... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
The PC 3001 basic is a very compact chemistry pumping unit that is an excellent solution when working with high boiling solvents. Typical applications are vacuum generation for rotary evaporators, vacuum concentrators and filtrations. With the continuously variable jog wheel, the pumping speed is... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 65 l/min. Ultimate Vacuum (max.): 90 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Balanced for smooth low vibration operation. Low sound level. Small. Light weight. High efficiency. Range Technical Overview. Capacity up to 0.05 cfm / 1.3 l/min. Vacuum to 13.3 in.Hg / -450 mbar. Capable of restarting up to -200 mbar vacuum. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
This 2 mbar chemistry vacuum system has a wide range of applications like evacuation, evaporation and pumping of gases and vapors. This system is suitable for the demands of high boiling solvents and often replaces rotary vane pumps. Typical applications are rotary evaporators and vacuum drying... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features a PTFE head, PTFE-coated diaphragm and FFPM valves. Highlights. Flow Rate (max.): 34 l/min. Ultimate Vacuum (max.): 8 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Small. Light weight. High performance. Range Technical Overview. Capacity up to 0.07 cfm / 2.0 l/min. Vacuum to 17.7 in.Hg / -600 mbar. Capable of restarting up to 5.9 in.Hg / -200 mbar vacuum. Possible Applications. Gas Detection Devices. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
This 7 mbar chemistry vacuum system has a wide range of applications like evacuation, evaporation and pumping of gases and vapors in chemical, biological and pharmaceutical laboratories where there are no requirements for condensation of solvent vapors at the outlet. Typical applications are vacuum... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 34 l/min. Ultimate Vacuum (max.): 2 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Balanced for smooth low vibration operation. Low sound level. Small. Light weight. High efficiency. Range Technical Overview. Capacity up to 0.08 cfm / 2.4 l/min. Vacuum to 18.3 in.Hg / -620 mbar. Capable of restarting up to 18.3 in.Hg / -620 mbar... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial
from VACUUBRAND, Inc.
The PC101 NT chemistry pumping unit has a wide range of applications, including evacuation, evaporation and pumping of gases and vapors in chemical, biological and pharmaceutical laboratories. Typical applications are rotary evaporators and vacuum drying ovens. The manual flow control valve... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 110 l/min. Ultimate Vacuum (max.): 100 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Smooth running. Low noise level. Long lifetime. Sealed airpath. Large choice in material. Pressure or vacuum. Range Technical Overview. Capacity up to 0.6 cfm / 18.0 l/min. Vacuum to 28.0 in.Hg / -950 mbar. Capable of restarting up to 28.0 in.Hg /... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
The RC 6 chemistry-HYBRIDTM pump is a combination of a two-stage rotary vane pump and a two-stage chemistry diaphragm pump providing 10-3 mbar vacuum with optimized corrosion resistance. The diaphragm pump keeps the oil reservoir under vacuum to continuously distill solvent vapors from the pump oil... [See More]
- Mechanical: Diaphragm; Rotary Vane
- Configuration: Individual Vacuum Pump; Combination
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. Especially suited for handling aggressive vapors, it features PTFE heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 60 l/min. Ultimate Vacuum (max.): 2 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Smooth running. Low noise level. High lifetime. Sealed tight. Large choice in material. Pressure or vacuum. Range Technical Overview. Capacity up to 0.44 cfm / 12.5 l/min. Vacuum to 26.6 in.Hg / -900 mbar. Capable of restarting up to 26.6 in.Hg /... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
Diaphragm pumps are an excellent solution for continuous, oil-free evacuation and pumping of gases. All parts of the ME 2 NT diaphragm vacuum pump in contact with pumped media are made of aluminum and selected plastics, allowing a wide range of applications for non-corrosive gases. The one-stage... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Medical / Laboratory; Packaging; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm pump with integrated speed control for adjusting the pump speed to your specific process requirements. It features a gas ballast, PPS heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 21 l/min. Ultimate Vacuum (max.): 2 mbar (abs.). [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Smooth running. Low noise level. High lifetime. Sealed tight. Large choice in material. Pressure or vacuum. Range Technical Overview. Capacity up to 0.8 cfm / 24 l/min. Vacuum to 28.9 in.Hg / -980 mbar. Capable of restarting up to 28.9 in.Hg /... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
NT VARIO ® pumps provide precise vacuum control by adaptation of the diaphragm pump's motor speed. The three-stage chemistry MD 4C NT VARIO diaphragm pump provides vacuum to 1.5 mbar suitable for most high boiling solvents. The on-demand motor speed control results in unsurpassed lifetimes of... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. It features PPS heads, PTFE-coated diaphragms and FFPM valves. Highlights. Flow Rate (max.): 30 l/min. Ultimate Vacuum (max.): 15 mbar (abs.). Clean, 100% oil-free operation. Corrosion-resistant. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Smooth running. Low noise level. High lifetime. Sealed tight. Large choice in material. Pressure or vacuum. Range Technical Overview. Capacity up to 0.9 cfm / 25.0 l/min. Vacuum to 28.0 in.Hg / -950. Capable of restarting up to 28.0 in.Hg / -950... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
NT VARIO ® pumps provide precise vacuum control by adaptation of the diaphragm pump's motor speed. The MZ 2C NT VARIO two-stage chemistry diaphragm pump meets medium vacuum requirements for most solvents, reaching a vacuum of 7 mbar. The on-demand motor speed control results in unparalleled... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump; Vacuum Pump System or Station
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Chemical; Medical / Laboratory; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Very compact, chemically resistant and oil-free diaphragm vacuum pump with manual speed control for adjusting the pump capacity to your specific application. It features a PPS head, PTFE-coated diaphragm and FKM valves. Suitable for a wide range of Laboratory applications. Highlights. Flow Rate... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory
from Thomas An Ingersoll Rand Business
Features & Benefits. Oil-less. Maintenance free. Low noise level. Compact. High performance. Large choice in Materials. Range Technical Overview. Capacity up to 1.6 cfm / 45.6 l/min. Vacuum to 27.1 in.Hg / -920 mbar. Capable of restarting up to 27.1 in.Hg / -920 mbar vacuum. Possible... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Medical / Laboratory
from VACUUBRAND, Inc.
The three-stage MD 1 VARIO-SP diaphragm pump, with its variable speed drive system, attains significantly higher pumping speed and a better ultimate vacuum at 1 mbar than the corresponding fixed speed pump. The brushless 24V DC motor (maintenance-free) enables easy integration of the pump into other... [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Scientific; Medical / Laboratory; Pharm/Sanitary; Semiconductor
from KNF Neuberger, Inc.
Chemically resistant, oil-free diaphragm vacuum pump used for a wide range of laboratory applications. It features a PPS head, PTFE-coated diaphragm and FFPM valves. Highlights. Flow Rate (max.): 11.5 l/min. Ultimate Vacuum (max.): 290 mbar (abs.). Clean, 100% oil-free operation. [See More]
- Mechanical: Diaphragm
- Configuration: Individual Vacuum Pump
- Vacuum Pump Type: Mechanical
- Application: Industrial; Chemical; Medical / Laboratory