Products & Services
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Supplier: Twin City Fan & Blower
Description: Application The QCLB Mixed Flow Fan is a popular choice for many air supply, return, and exhaust air applications in the HVAC industry for both constant or variable air volume systems. The efficiency and sound characteristics of mixed flow fans are often desired in buildings
- Air Flow Rate: 650 to 105,000 SCFM
- Static Pressure: 411.2871674924572 in H2O
- Maximum Diameter (Fan or Blower Wheel): 12.25 to 73 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: Oil-Rite Corp.
Description: Constant Level Lubricators automatically maintain a fixed liquid level in a bearing housing or gear box using the liquid seal principle. Constant level lubricators can be used on sleeve bearings, anti-friction bearings, gear boxes, pump housings, ventilating fans and blowers,
- Capacity: 0.25 gallons
- Delivery: Constant Level
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Supplier: Oil-Rite Corp.
Description: Constant Level Lubricators automatically maintain a fixed liquid level in a bearing housing or gear box using the liquid seal principle. Constant level lubricators can be used on sleeve bearings, anti-friction bearings, gear boxes, pump housings, ventilating fans and blowers,
- Capacity: 0.0703125 gallons
- Delivery: Constant Level
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Supplier: Oil-Rite Corp.
Description: Constant Level Lubricators automatically maintain a fixed liquid level in a bearing housing or gear box using the liquid seal principle. Constant level lubricators can be used on sleeve bearings, anti-friction bearings, gear boxes, pump housings, ventilating fans and blowers,
- Capacity: 0.0390625 gallons
- Delivery: Constant Level
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Supplier: Oil-Rite Corp.
Description: Constant Level Lubricators automatically maintain a fixed liquid level in a bearing housing or gear box using the liquid seal principle. Constant level lubricators can be used on sleeve bearings, anti-friction bearings, gear boxes, pump housings, ventilating fans and blowers,
- Capacity: 1 gallons
- Delivery: Constant Level
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Supplier: Enervex, Inc.
Description: The SFTA supply fan is used to supply combustion air/make-up air to mechanical rooms and laundry facilities. In supply applications it is installed inline where it ca maintain a constant pressure in the entire duct system. For optimal performance the fan speed can be
- Air Flow Rate: 2,000 to 30,000 SCFM
- Media Temperature: 150 F
- Maximum Diameter (Fan or Blower Wheel): 16.13 inch
- Features: Air Handling Units / HVAC, Pressure / Pressurization Blower
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Supplier: Howden
Description: Variax® Fans The Variax® variable pitch axial fan combines one of the highest efficiency levels available today with an exceptionally flexible, customer focused design, manufacturing and aftermarket service. With almost 3000 units soldworldwide, the Variax® fan is the proven,
- Air Flow Rate: 31,783.23 to 3,390,211.2 SCFM
- Static Pressure: 1 to 120 in H2O
- Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation, Product / Process Cooling
- Design: Axial
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Supplier: AirPro Fan & Blower Co.
Description: The AirPro high pressure radial shrouded centrifugal blower (HPSL) has been designed to move low-to-medium volumes of air at high static pressures. With its surgeless design, this fan provides consistent performance through variable air flow at or near a constant
- Static Pressure: 140 in H2O
- Media Temperature: 1,200 F
- Design: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas, Light Solids / Powder / Dust, Smoke
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Supplier: AirPro Fan & Blower Co.
Description: The AirPro high pressure radial open industrial blower (HPRL) is designed for low-to-medium air volumes at high static pressures. With its surgeless design, this high pressure fan provides consistent performance through variable air flow at or near a constant
- Static Pressure: 140 in H2O
- Media Temperature: 1,200 F
- Design: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas, Light Solids / Powder / Dust, Smoke
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Supplier: Twin City Fan & Blower
Description: Application The QSL Mixed Flow Fan combines the benefits of axial flow and centrifugal flow fans. The QSL has the advantage of a compact design and straight-through airflow, as well as preferred acoustic characteristics and high pressure capability. Mixed flow fans are a
- Air Flow Rate: 1,300 to 160,000 SCFM
- Static Pressure: 414.7871674924572 in H2O
- Maximum Diameter (Fan or Blower Wheel): 18.25 to 89 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: Transcat, Inc.
Description: Product Highlights Measure differential and static pressure from -15 to +15 in. H2O (-3735 to +3735 Pa) Calculate and display velocity when using a Pitot tube Variable time constant Statistics HVAC commissioning and troubleshooting Testing and balancing Pitot tube duct traverses Static
- Type: Gauge
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Supplier: Twin City Fan & Blower
Description: Description The FPMC Axico Anti-Stall Fan is a vaneaxial fan with 100% stable operation. It has no stall area and no stall limit. The electrically controllable fan can easily deliver the required flow or pressure in most situations by properly sizing the fan and
- Air Flow Rate: 250,000 SCFM
- Static Pressure: 418.7871674924572 in H2O
- Maximum Diameter (Fan or Blower Wheel): 32 to 79 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: Twin City Fan & Blower
Description: Description The FPDA Axico Anti-Stall Fan is a vaneaxial fan with 100% stable operation. It has no stall area and no stall limit. The manually controllable fan can easily deliver the required flow or pressure in most situations by properly sizing the fan and then
- Air Flow Rate: 250,000 SCFM
- Static Pressure: 418.7871674924572 in H2O
- Maximum Diameter (Fan or Blower Wheel): 32 to 79 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: Enervex, Inc.
Description: The ENERVEX ADC150 is a Modulating Fan Control used with up to 2 appliances to monitor and maintain a constant draft or pressure in a chimney or duct. The ADC150 can be used with models RS, RSHT, and GSV fans. It can control the fan speed directly or via a Variable
- Number of Inputs: 1 inputs
- Number of Control Outputs: 1 outputs
- Control: PID Control
- Form Factor: Panel / Chassis Mount
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Supplier: Enervex, Inc.
Description: The EBC 12 Modulating Pressure Control is a draft and pressure control device that can monitor and maintain a constant draft or pressure by varying the speed of an exhaust fan. It is a true PID-based control with infinitely variable speed settings. The EBC 12 is
- Accuracy: 10 ±% FS
- Number of Inputs: 1 inputs
- Number of Control Outputs: 2 outputs
- Control Signal: Analog Voltage, Switch / Relay Output
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Supplier: Enervex, Inc.
Description: The EBC 14 Pressure Control is designed to monitor and maintain a constant pressure in a mechanical room by modulating the speed of a supply fan. It is a true PID-based control with infinitely variable speed settings. The EBC 14 is typically used in applications with
- Accuracy: 10 ±% FS
- Number of Inputs: 1 inputs
- Number of Control Outputs: 2 outputs
- Control Signal: Analog Voltage
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Supplier: Sanyo Denki America, Inc.
Description: SANYO DENKI Launches 92 x 92 x 38 mm AC DC Fan With Energy-savings, High Airflow and Static Pressure in Industry’s Top Class SANYO DENKI CO., LTD. has developed and introduced the 92 x 92 x 38 mm AC DC fan San Ace 92AD. This cooling fan delivers energy-savings, high
- Maximum Air Flow: 52.97205 SCFM
- Maximum Static Pressure: 0.36131745071961985 in H2O
- Maximum Sound Level: 40 dbA
- Motor Voltage: 90 to 264 volts
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Supplier: Envirco
Description: induction motors, the EC motor regulates itself, automatically adjusting its torque and speed to provide a constant air volume of 250-660 CFM over a wide range of static pressure. The MAC 10® IQ maintains airflow at such a constant rate that the need for future balancing is
- Construction: Fan Filter, HEPA / ULPA Filter
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Supplier: Envirco
Description: for constant airflow. With the advancement in ECM motor technology, we are able to provide a fan filter unit that delivers low airflow and maintains airflow within 10% for up to .2” WC changes in static pressure. The ability to adjust to limited changes in static pressure
- Construction: Fan Filter
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Supplier: Rosenberg USA
Description: Q37-B3 GDSV8 Double Inlet Centrifugal Fan, 180x180L; 1-phase, 230-Volt; Constant Pressure model; CE-only, ERP 2015 compliant, 500 CFM @ 1.7″, 1010 CFM @ free air
- Air Flow Rate: 1,010 SCFM
- Static Pressure: 0 in H2O
- Maximum Diameter (Fan or Blower Wheel): 10.3149662 inch
- Applications / Use: Air Handling Units / HVAC
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Supplier: IHS ESDU
Description: ESDU 73019 gives methods for use in still air (ESDU 73018 gives the effect of wind) in cases when at least one parameter out of airspeed, Mach number, pressure height and engine control setting is kept constant. For each case, optimum conditions are examined and expressions for range
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Supplier: Atlantic Blowers
Description: Unique design allows our blowers to achieve high levels of flow and pressure. Oil-free and low maintenance. Heavy duty cast aluminum housing and cover. Integrated muffler/silencer reduces noise. Specifically designed impeller maintains a constant and steady air flow stream. Exclusive
- Air Flow Rate: 643 to 786 SCFM
- Static Pressure: 8.3 to 12.6 in H2O
- Maximum Diameter (Fan or Blower Wheel): 4 inch
- Features: Air Handling Units / HVAC, Exhaust Ventilation, Pressure / Pressurization Blower
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Supplier: Kaeser Compressors, Inc.
Description: international and domestic performance and safety standards, and are available in both STC (wye-delta start) and SFC (Variable Frequency Drive) versions. Sigma profile blower airends The high-efficiency blower airends combine a wide control range with near constant specific power. Equipped
- Air Flow Rate: 448 to 2,542 SCFM
- Environment: Clean Air / Gas
- Product Form: Packaged (Complete System)
- Features: Pressure / Pressurization Blower
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Supplier: TSI Incorporated
Description: troubleshooting Testing and balancing Pitot tube duct traverses Static pressure measurements Pressure drop across filters, coils, fans, and diffusers Environmental air flow testing Included Items Instrument Hard carrying case 4 alkaline batteries Operation and service manual
- Measurement Type: Differential
- Device Category: Sensor
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Supplier: Robinson Fans
Description: In many heavy-duty equipment applications, centrifugal blowers must perform consistently and reliably over a range of flow at or near constant pressure. Unfortunately, in this situation, conventional centrifugal blowers consistently fall short of reliable performance as a result of
- Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation, Materials Handling / Pneumatics
- Design: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases
- Features: Dampers / Louvers, Other
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Supplier: CSA Group
Description: service industries. It is also applicable to gas services other than air that are non-hazardous and non-toxic. It is not applicable to machines that develop a pressure rise of less than 35 kPa above atmospheric pressure, which are classed as fans or blowers.
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Description: service industries. It is also applicable to gas services other than air that are non-hazardous and non-toxic. It is not applicable to machines that develop a pressure rise of less than 35 kPa above atmospheric pressure, which are classed as fans or blowers.
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Supplier: Sames North American Corporation
Description: Productivity of the airless at low pressure Built with double hard carbide insert Transfert efficency of 84% Performance Transfert efficiency of 84% Optimum quality of spraying starting from 85 bar Productivity All tips have the same consistent pattern and flow to guarantee a constant
- Technology: Air Assist / Pneumatic
- Material: Carbide
- Application: Coating / Painting
- Media: Coatings / Inks
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Supplier: Chemdet, Inc.
Description: The Perfect Low Flow, Low Speed, Slotted Spray Ball Slow Constant Rotation: Improved Cleaning Action No Ball Bearings: Lower Maintenance and Longer Life Low Flow: Reduced Water, Chemical and Effluent Costs High Efficiency Fan Jets: Reduced Cleaning Time Versatile and Unique The Turbo
- Water Flow: 3,816 GPH
- Operation: Cleaning / Surface Preparation
- Features: Other
- Machine Mounting: Portable Machine
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Supplier: Shenzhen INVT Electric Co., Ltd.
Description: Controller and 2 × PID Integrated Fan, Pump and Compressor Functionality Fire Override Mode, Dry Run Detection, Constant Torque Sleep and Wake up control to save energy Real-time clock Several pump control to extend the service life of pump Standard C3 filters, CE and UL/cUL
- Maximum Output Voltage: 440 volts
- Supply Voltage (AC): 380 to 440 volts
- Operating Temperature: -10 to 50 C
- Frequency: 50 Hz, 60 Hz
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Supplier: Thermocold Costruzioni Srl
Description: Air/water chillers units with propeller fans and hermetic scroll compressors. • Compressors scroll. • ECO-PROFILE axial fans statically and dinamically balanced. • Water side plate heat exchanger with differential pressure switch and antifreeze protection electric heater. • Air
- Cooling Capacity: 6 to 197.95 kW
- Compressor Motor Horsepower: 2.68044076980564 to 70.0667217227194 HP
- Full Load Amperage: 13.3 to 128.8 amps
- Power Source: 230 / 50 / 1, Other Power
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Supplier: Shenzhen INVT Electric Co., Ltd.
Description: variable + fan variable frequency) to ensure the constant pressure, voltage and temperature Intelligent hibernation and wake up control, obvious energy saving effect and reduced equipment loss Visualization control to set the inverter and protection parameters through the touch
- Maximum Output Voltage: 440 volts
- Supply Voltage (AC): 380 to 440 volts
- Operating Temperature: -10 to 50 C
- Frequency: 50 Hz, 60 Hz
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Supplier: Xoxide
Description: unit's cooling performance. Twin speed adjustable centrifugal fans drive constant air pressure to your laptop for fast cooling performance through 679 high capacity vent holes. The NC1000 is powered via your laptop's USB port eliminating the need for a separate power adapter.
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Supplier: KTR Corporation
Description: on the application and taking into account the cooling power required, and adapted to the mounting space, if necessary. Product features Optimum accomodation of housing and fan wheel Constant air flow rate due to the heat exchanger Best utilization of the high-capacity heat exchanger
- Technology: Air-Cooled, Shell and Tube
- Connection Options: NPT
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motors. The new blowers, designated GDSuG9 146x188, include constant pressure, constant airflow, and standard pressure/airflow models. Constant pressure and constant airflow blowers can provide simple solutions to common air movement problems. Constant (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
Rosenberg USA is expanding its offering of constant pressure and constant airflow blowers with new 180x180L EC double inlet models from Ecofit. A new standard pressure (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
Rosenberg USA has introduced a new family of single-inlet Ecofit forward-curved centrifugal blowers with 115 or 230-Volt UL-Recognized EC motors. They are available in standard airflow/pressure, constant airflow and constant pressure (read more)
Browse HVAC Fans and Blowers Datasheets for Rosenberg USA -
importance of renewable energies is growing rapidly, with countries and municipal authorities under a great deal of pressure to join the increasing drive towards developing climate-neutral energy supply systems. One thing is clear, and that is that the generation capacity of offshore and onshore wind (read more)
Browse Hygrometers and Humidity Measurement Instruments Datasheets for STEGO -
: Centrifugal pumps Ventilation fans Cooling-tower fans Air-handling units (read more)
Browse Electric Rotary Actuators Datasheets for ERSAELECTRONICS PTE. LTD. -
) Aerospace System and Renewable Energy market segments to deliver higher Output current without the need to parallel multiple units. All models are capable of Constant-Voltage (CV) and Constant-Current (CC) mode operation with automatic crossover between operating modes and also have a built (read more)
Browse AC-DC Adapters Datasheets for TDK-Lambda Americas Inc.
Conduct Research Top
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Proper Selection of Pressure Blowers
In general terms, a pressure blower provides relatively high pressure at low volume when compared to other types of centrifugal fans. For purposes of this letter, fans with volumes. to 10,000 CFM with pressures to 80" WG are considered pressure blowers. Typical applications require constant
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Driving AC-DC power supply efficiency even higher
Reducing the size and improving the efficiency of AC-DC power supplies are constant pressures. In addition the requirement for. portability in some equipment means that not only the size but also the weight are prime considerations in the selection of power. supplies. You can always find a smaller
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Methods of Modulating Air Flow
: Increase pressure, using louvers to block air flow. Reduce blade angle, using automatic fans and single speed motors. Reduce RPM, using variable-speed motors. All three, when provided with suitable sensing and control devices, can provide a fine degree of control as ambient conditions change
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CABINET COOLERS END COSTLY SHUTDOWNS
an option due to safety concerns of having exposed electronics. Mounting panel fans made no sense because the temperature in the shop was too hot to provide cooling.". Other Options Were Considered. After reading about heat exchangers, he concluded they would be too impractical since there was very
More Information Top
Indicates content that may require registration and/or purchase.
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International Space Planes and Hypersonic Systems and Technologies Conferences > Modeling, Analysis and Optimization of the Air-Turborocket Expander Engine
In Fig. 2(a) upper right, the three sets of fan pressure ratios are plotted in the Isp-Fsp plane, where the points collapse in constant fan pressure ratio lines.
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Journal of Propulsion and Power > Modeling, Analysis, and Optimization of theAir-Turborocket Expander Engine
In Fig. 2a (upper right), the three sets of fan pressure ratios are plotted in the Isp − Fsp plane, where the points collapse in constant fan pressure ratio lines.
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Journal of the Aeronautical Sciences (Institute of the Aeronautical Sciences) > Design and Application of High-Pressure Coefficient Axial-Flow Fans
Constant pressure fan .
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Microdroplet generation in gaseous and liquid environments
As droplets are generated and the reservoir liquid amount decreases, the reservoir height relative to the droplet gen- erator increases, maintaining constant pressure ( Fan et al. 2008; Castrejo´n-Pita et al. 2008).
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http://dspace.mit.edu/bitstream/handle/1721.1/41717/222304666-MIT.pdf?sequence=2
We now simplify the fan as a constant pressure fan that can provides a constant pressure head AP (in Pa).
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Journal of Aircraft > Regenerative turbofans - A comparison with nonregenerative units
It can, however, be shown that the constant fan pressure ratio used for the development of Fig. 4 is not necessarily an optimum value.
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Journal of the Aeronautical Sciences (Institute of the Aeronautical Sciences) > Analytic Investigation of Problems Concerning the Flow of Cooling Air in Light ...
Constant Pressure Fans , N.A.C.A. T.M. No. 927, January, 1940.
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PULSE DRYING EXPERIMENT AND BURNER CONSTRUCTION
The layout shows a conventional air train using constant pressure fans arranged in single [6 W.C.] up to triple series [18 W.C.] feeding the air valve.
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http://dspace.mit.edu/bitstream/handle/1721.1/36437/30822304-MIT.pdf?sequence=2
increases in core compressor pressure ratio at constant fan pressure ratio, bypass ratio, .
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http://dspace.mit.edu/bitstream/handle/1721.1/87128/879663400-MIT.pdf?sequence=2
at constant fan pressure ratio, such that a reduction in fan efficiency corresponds to .