Products & Services
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Supplier: Terra Universal, Inc.
Description: Designed for rapid removal of oxygen and backfill with nitrogen or argon to establish anaerobic processing environment Continuous-seam welds with radius corners simplify cleaning and reduce leak rate during vacuum cycling (supports intermittent negative pressure to -10"WC) Optional vacuum
- Isolator Type: Glovebox
- Features: Integrated Gas Analyzer
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Supplier: Barksdale Control Products
Description: The 54341 Series relies on negative air pressure to actuate the dump feature. This feature allows the seamless integration of the reverse dump valve into the trailer parking brake system. When parking brakes are set, the negative pressure that allows the brakes to lock will also allow the dump
- Media: Air
- Valve Type: Control Valves
- Primary Material of Construction: Aluminum
- Actuation: Mechanical Device
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Supplier: Primo Instrument Inc.
Description: in air conditioning systems, clean rooms, fluidic and pneumatic control systems, material handling equipment, alarm or control fume exhaust systems, control pressure and air structures and monitor respiratory and blood pressures. Standard Model 2 LED/phototransistor actuated circuits with 2 DPDT
- Pressure Reading: Absolute
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Supplier: Primo Instrument Inc.
Description: Indicates Low Air or Gas Pressures of Positive, Negative or Differential These gauges are used to measure fan and blower presssures, filter ressistance, air velocity, furnace draft, pressure drop across orifice plates, liquid level with bubbler systems. Can be flush or surface mounted. Requires 4
- Type: Absolute
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Supplier: BestBuyHeatingandAirConditioning.com
Description: flowing into the gage, around the calibration screw, lifts a vane in proportion to the negative pressure in the blower compartment. As the air filter loads, the vacuum increases, raising the vane to indicate a filter change is necessary. Replaces Part Numbers:G-99, CARB13640.
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Supplier: Clark Solutions
Description: in air conditioning systems and for the measurement of pressure relationships in environmental, laboratory and clean-room applications.
- Electrical Output: Analog Current
- Sensor Technology: Mechanical Deflection
- Pressure Reading: Differential
- Media: Liquid, Gas
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Supplier: Validyne Engineering
Description: The Validyne DP250 is designed for exceedingly low differential pressure measurement in cost-sensitive OEM applications. With full scale ranges down to ±0.05 psid, this sensor is ideal for the measurement of very low flow rates of air and gases for pulmonary and HVAC detection and pressure
- Device Category: Sensor
- Pressure Reading: Differential
- Sensor Technology: Strain Gauge
- Media: Gas
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Supplier: Setra Systems
Description: At ±1.0% Full Scale accuracy (±0.4%, ±0.25% FS optional), Setra's Model 265 differential pressure transducer provides superior positive and negative pressure sensing required for high efficiency, air-control systems. An optional snap-on conduit enclosure, molded from high
- Device Category: Transducer
- Pressure Reading: Differential, Gauge
- Sensor Technology: Variable Capacitance
- Media: Gas
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Supplier: Gems Sensors & Controls
Description: for highly accurate, linear analog output proportional to pressure. Both unidirectional and bidirectional models are available for line pressures up to 250 psi (17 bar). These units feature bleed ports that allow for total elimination of air in the line and pressure cavities. Applications: Energy
- Device Category: Transducer
- Pressure Reading: Differential
- Sensor Technology: Variable Capacitance
- Media: Liquid, Gas
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Supplier: Setra Systems
Description: OverviewThe Model SRCM Room Condition and Pressure Montior all inclusive design provides room condition, room identification, security, calibration, and room pressure status all in one unit. The CE compliant SRCM is also well suited to monitor positive, negative or neutral air pressure. True
- Device Category: Controller
- Sensor Technology: Variable Capacitance
- Pressure Reading: Gauge
- Display: Digital
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Supplier: Dwyer Instruments Inc.
Description: Low cost Series 646 Pressure Transducer is designed for use with air and inert gases and can accurately measure differential pressure down to ±0.5" w.c. The transducer utilizes a fast response capacitive sensor and is temperature compensated for stable output. Units provide an amplified
- Electrical Output: Analog Voltage
- Sensor Technology: Variable Capacitance
- Pressure Reading: Differential, Compound
- Media: Gas
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Supplier: Enervex, Inc.
Description: The BESB box ventilator is used for bathroom, kitchen and clothes dryer exhaust as well as supply of combustion air/make-up air. In exhaust applications it is installed at the exhaust duct termination point where it ensures a negative pressure in the entire duct system - or in line. For optimal
- Applications: Air Handling Units / HVAC, Exhaust Ventilation, Pressure / Pressurization Blower
- Design Configuration: Centrifugal
- System: Packaged (Complete System)
- Style: Induced Draft
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Supplier: Kontek Ecology Systems Inc.
Description: , mercury) or the permeate can be further processed by a Kontek RoKon Wastewater Recovery RO system for water recovery. Kontek Ultrafiltration Systems utilize SpiraSep membranes which are robust, submerged, back-flushable, air scoured, spiral wound UF/MF membranes that offer superior performance
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Supplier: Kelly Pneumatics, Inc.
Description: Kelly Pneumatics, Inc. offers a dual proportional valve design, Electronic Precision Pressure Regulator with I/P transducer control circuitry. Designed specifically for low volume flow rates, this regulator precisely sustains both positive and negative outlet pressures, even during dynamic changes
- Media Description: Air, Water
- Regulator Type: Vacuum / Absolute Pressure Regulators
- Valve Type: Regulators, Servo Valves
- Connection: Tube Fitting
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Supplier: Clark Solutions
Description: , negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer fluid to evaporate, freeze or cause toxic or leveling problems. It's inexpensive, too. Widely used to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop
- Type: Differential
- Display: Analog
- Liquid Filled: Yes
- Mount / Connection Location: Bottom
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Supplier: Terra Universal, Inc.
Description: the controlled environment Optional power control allows remote adjustment of fan speed to simplify air balancing These high volume exhaust fans convert any enclosure into a negative-pressure room that safely contains biological materials, pharmaceutical powders, and other potential environmental
- Applications: Air Handling Units / HVAC
- Design Configuration: Axial
- System: Packaged (Complete System)
- Style: Forced Draft
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Supplier: United Refrigeration, Inc.
Description: Used to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems and pressures in fluid amplifier or fluidic systems. It also checks gas-air ratio controls and automatic valves. Indicate low air or gas
- Display Type: Analog Meter or Indicator
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Supplier: Century Control Systems, Inc.
Description: are an excellent choice for many HVAC, process, and automation monitoring requirements. These pressure transmitters monitor: filter differential pressures, fan static pressures, clean room pressures, variable air volume systems, and velocity pressures. Modus Series T pressure transmitters have been used
- Electrical Output: Analog Voltage, Analog Current
- Sensor Technology: Semiconductor Piezoresistive
- Pressure Reading: Differential, Gauge, Vacuum
- Media: Gas
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Supplier: Kontek Ecology Systems Inc.
Description: , mercury) or the permeate can be further processed by a Kontek RoKon Wastewater Recovery RO system for water recovery. Kontek MEMKON Ultrafiltration Systems utilize SpiraSep membranes which are robust, submerged, back-flushable, air scoured, spiral wound UF/MF membranes that offer superior
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Supplier: Novaflex Group
Description: with the resilient duct liner, provides the product integrity necessary to obtain the high pressure rating, both positive and negative, which is required by many engineered HVAC duct systems.
- Application: Industrial
- Type: Fabric Ducting, Flexible Ducting
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Supplier: ASME
Description: that have a negative influence on plant operation, maintenance, metallurgy, requirements, cost, handling, shipping, freezing, recirculation, tolerances, manifolding, distribution, noise, availability, and pressure drop, to name a few. The effect of adjoining non-exchanger related constructions
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Supplier: ASME Standards and Certification
Description: that have a negative influence on plant operation, maintenance, metallurgy, requirements, cost, handling, shipping, freezing, recirculation, tolerances, manifolding, distribution, noise, availability, and pressure drop, to name a few. The effect of adjoining non-exchanger related constructions
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Supplier: Hosokawa Micron Powder Systems
Description: specifications. While negative pressure draws all the particles below a defined particle size down through a screen, a positive airflow is introduced upwards through a rotating wand. This airflow deagglomerates and disperses any undersized particles. Precise particle size can be quickly determined at sizes from
- Measurement Type: Size
- Sample Type: Powder / Solid Particles
- Technology / Operating Principle: Sieving / Filtration
- Display & Special Features: Computer Interface / Networkable, Digital Readout, Laboratory / Batch
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Supplier: Sauereisen, Inc.
Description: Sauereisen H2OPruf No. F-190 is a two component material for use on concrete or masonry structures to prevent water seepage through the substrate. Application of the waterproofing kit is by masonry brush or mechanical spray equipment. No. F-190 withstands both positive and negative side pressure
- Substrate / Material Compatibility: Concrete / Masonry
- Industry: Other
- Chemical / Polymer System Type: Ceramic / Inorganic Cement
- Solvent Based (Volatile Organic): Yes
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Supplier: Reznor/Thomas & Betts
Description: , but factory-installed gas and inlet-air control options are available to meet makeup air or combination heating/makeup air specifications. These systems are designed for indoor installation in areas with negative pressure and/or extremely dirty or mildly corrosive atmospheres. All furnaces are at least 80%
- Phase: Single Phase, Three Phase
- Applications: Other
- Features: Indirect Fired, Internal Temperature Detector, Overheat Protection, Thermostat
- Heater Type: Air Heater, Circulation Heater, Forced Air Heater, Room / Space Heater, Specialty / Other
Find Suppliers by Category Top
Featured Products for Negative Air Pressure Systems Top
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ControlAir Inc.
Precision Air Pressure Relay
Pilot operated, multi-stage 1:1 relay. The Type 200 Precision Air Relay is a pilot operated, multi-stage 1:1 relay with a positive and negative bias adjustment capability. It accurately reproduces a signal pressure plus or minus the bias setting with consistent reliability. Output control and stability are maintained through a high gain servo balanced control mechanism which is activated by a highly sensitive stainless steel measuring capsule. (read more)
Browse Air Pressure Regulators Datasheets for ControlAir Inc. -
Marsh Bellofram Group of Companies
New Industrial Vacuum Pressure Regulator Series
regulator incorporates a fixed negative 15 psig bias spring to maintain vacuum outputs and controlled system pressure from 29" Hg, with flow capacity to 40 SCFM. An adjustable opposing range spring increases controlled pressure outputs. Output pressure droop under varying downstream flow conditions is minimized by the incorporation of an aspirator tube, which adjusts the air supply valve opening in accordance with flow velocity. The dampening action of the aspirator tube maintains continuous... (read more)
Browse Air Pressure Regulators Datasheets for Marsh Bellofram Group of Companies -
Automationdirect.com
ProSense Pressure Transmitters (SS & Differential)
negative, and bi-directional pressures with the ability to withstand 15 psi overpressure without damage or calibration shift. ***********************************************************. ProSense ™ Pressure Transmitters and Vacuum Transducers. These pressure transmitters are also sometimes referred to as pressure transducers or vacuum transducers. New! ... The ProSense SPT25 pressure transmitter series is engineered to meet many industrial, commercial, and OEM pressure measurement... (read more)
Browse Pressure Sensors Datasheets for Automationdirect.com -
STEGO, Inc.
DA 284 Pressure Compenation Device
Pressure differentials in a hermetically sealed enclosure are a result of the heat generated by electrical and electronic components in the enclosure, as well as the fluctuation of the outside temperature. In the case of negative pressure or vacuum, for example, dust and humidity can be absorbed through the door seal and can enter the enclosure. The DA 284 Pressure Compensation Device provides a protected enclosure environment for valuable and crucial components with UL 4x rated degree... (read more)
Browse Temperature Controllers Datasheets for STEGO, Inc. -
Omron Electronic Components LLC
Tiny Omron Piezo Resistive MEMS Pressure Sensor
Omron is quite pleased to announce the release of a new MEMS Pressure Sensor, from the Omron Micro Device Division. Part number 2SMPP-02 is a piezoresistive type gauge pressure sensor with a rated pressure range of 0-37 kPa (0-280 mmHg). The product has also tested very well under negative (vacuum) pressure. Key Features and Benefits. Very small package size: 6.1 × 4.7 × 8.2 mm (L × W × H). Tight calibration - low variation in the zero and offset voltages. Low... (read more)
Browse Pressure Sensors Datasheets for Omron Electronic Components LLC -
Uson, L.P.
Fast Pressure Decay Test Instruments
Pressure decay testing instruments are extremely useful for checking components that have relatively small volumes. The component is pressurized with air and the pressure transducer monitors the pressure for negative changes. Any pressure drop indicates a leak. The test is very fast, a matter of seconds, and is therefore popular in high-volume industries such as automotive components, castings, medical devices and consumer goods. Uson offers the following products for pressure decay testing... (read more)
Browse Nondestructive Testing (NDT) Equipment Datasheets for Uson, L.P. -
Setra Systems
High Accuracy Low-Differential Pressure Transducer
up to 800x FS proof pressure (depending on pressure range) in both directions. This overpressure protection reduces the need to replace or recalibrate if the transducer is subjected to high line pressure in either the positive or negative direction. This feature is particularly beneficial for high line pressure applications such as leak detection or leak testing. The Model ASL offers exceptional accuracy at < ±0.07% full scale over low differential pressure ranges of 0-2.5 ” W.C. (read more)
Browse Pressure Sensors Datasheets for Setra Systems -
Custom Processing Services
CPS Food and Pharma Processing Services...
Food and Pharmaceutical Services. Custom Processing Services has recently opened a new facility dedicated to food and pharmaceutical processing. The 42,000 square foot structure contains several clean rooms designed specifically to accommodate the rigorous demands of cGMP production. Some of the manufacturing area's features include: · Epoxy painted walls for efficient clean-down. · Floor drains that feed into a filtration system. · Negative pressure air controls with HEPA... (read more)
Browse Processing Services Datasheets for Custom Processing Services -
Custom Processing Services
Food, Pharmaceutical & cGMP Processing: CPS
Food and Pharmaceutical Services. Custom Processing Services has recently opened a new facility dedicated to food and pharmaceutical processing. The 42,000 square foot structure contains several clean rooms designed specifically to accommodate the rigorous demands of cGMP production. Some of the manufacturing area's features include: Epoxy painted walls for efficient clean-down. Floor drains that feed into a filtration system. Negative pressure air controls with HEPA filtered air. Dedicated... (read more)
Browse Contract Manufacturing Services Datasheets for Custom Processing Services -
Catalytic Products International, Inc.
VANGUARD Ammonia Abatement System
stainless steel. The counter flow of process exhaust gas with clean oxidized air allows relatively cool operation at the leading edges of the plates. Designing the heat exchanger in this fashion allows the VANGUARD Ammonia Abatement System to operate with a wide range of operational flexibility. The pre-heat burner has been specially developed for use in VANGUARD Ammonia Abatement Systems operating in a negative pressure environment. The burner is designed to promote mixing of the exhaust gasses... (read more)
Browse Thermal Oxidizers and Catalytic Oxidizers Datasheets for Catalytic Products International, Inc.
Conduct Research Top
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Selection of the Right Pressure Sensor
it is. called negative or vacuum gage pressure. In. Pressure p1. general a vacuum is a volume of space that is. essentially empty of matter. According to its. quality vacuum is divided into different ranges. such as e.g. low, high and ultra high vacuum. Vacuum. Gage pressure sensors only offer one
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The Hidden Costs of Compressed Air/Gas Leaks
be. The focus of this article will be not only how leaks can negatively impact the system as a whole, but also how leaks can affect the environment and quite possibly the well being of the personnel that have to work around them. Air Leaks: Negative Impacts on Process Control. Air leaks can impact
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Application Advantages of LBA Differential Pressure Sensors Due to Their Very High Pneumatic Impedance
their. resistance over time, such as a clogging filter,. there will typically be no negative influence on. the measurement accuracy. E / 11162 / 0. 3/4. www.sensortechnics.com. Application Advantages of LBA Differential Pressure Sensors Due to. Their Very High Pneumatic Impedance. 6. IMMUNITY TO HUMIDITY
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The Effectiveness of Oxygen in Preventing Embrittlement in Air Bag Inflators Containing Gaseous Hydrogen (.pdf)
the effectiveness of gaseous. strength steels under static loading conditions [1,5,8]. oxygen at preventing embrittlement in steel associated. Cialone and Holbrook [8] reported that carbon monoxide. with exposure to gaseous hydrogen under static loading. gas reduced the negative effects of hydrogen
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Aseptic Processing, the Japanese Way
and, in typical washer designs, this results in the formation of water vapor under the top cover of the machine. Handai Biken engineers were concerned about the negative air pressure that would develop within the top cover. With Shibuya, they developed a double shell washer system in which positive HEPA
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Austrian Airlines Cuts Service Severely
pressure compared with the previous year," Austrian said in a statement. "This trend has produced negative results particularly on routes with a low proportion of direct traffic.
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Chlorinated Groundwater Treatment
safe and effective operation in the expected environment. It included an induced draft arrangement with the fan located downstream of the scrubber. This arrangement is preferred for halogenated applications because it results in negative air pressure and minimizes the corrosive conditions that can
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The Use of Infrared Thermal Imaging in Indoor Environmental Investigations
are the primary pathways for the distribution of contaminants in a building. Through identification of temperature differentials, IR can be used to pinpoint areas of unwanted pressurization or depressurization within a building, negative pressure indoors with respect to outdoors, and problems with HVAC system
Engineering Web Search: Negative Air Pressure Systems Top
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Negative feedback - Wikipedia, the free encyclopedia
In some systems controlled by a negative feedback loop, the level of some measured parameter is compared to a reference value, and any difference
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Compressed air energy storage - Wikipedia, the free...
Compressed air energy storage From Wikipedia, the free encyclopedia
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OSHA Technical Manual (OTM) - Section III: Chapter 3:...
Outside air for ventilation or makeup air for exhaust systems may bring contaminants into the workplace (e.g., vehicle exhaust, fugitive emissions
- Work practices and engineering controls for Class I Asbestos...
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Adobe
Adobe AIR See all downloads Company Careers at Adobe
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Heating, Ventilation and Air-Conditioning (HVAC) Systems | IAQ...
HVAC Systems Heating, Ventilation and Air-Conditioning (HVAC) Systems Pressure Drop Monitoring Pressure Air Cleaning for Gaseous Contaminants
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ASTM E1680 - 11 Standard Test Method for Rate of Air Leakage...
of the resistance of exterior metal roof panel systems to air infiltration resulting from either positive or negative air pressure differences.
- ASTM C1201 / C1201M - 09 Standard Test Method for Structural...
