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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: 0.2500 gallons
- Delivery Method: 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: 0.0703 gallons
- Delivery Method: 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: 0.2500 gallons
- Delivery Method: 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: 0.0391 gallons
- Delivery Method: Constant Level
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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 105000 SCFM
- Applications: Air Handling Units / HVAC
- Environment: Clean Air / Gas
- Maximum Diameter (Fan or Blower Wheel): 12.25 to 73 inch
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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
- Design Configuration: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas, Light Solids / Powder / Dust, Smoke, Other
- Features: Inspection / Access Doors, Stand Alone (Freestanding) Fan
- Media Temperature: 1200 F
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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
- Design Configuration: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas, Light Solids / Powder / Dust, Smoke, Other
- Features: Inspection / Access Doors, Stand Alone (Freestanding) Fan
- Media Temperature: 1200 F
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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: 2000 to 30000 SCFM
- Design Configuration: Axial
- Drive Options: Direct Drive
- Environment: Dirty Air / Gas
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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
- Type: Gauge
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Supplier: Howden
Description: manufacturing and aftermarket support teams Modern high-pressure blade profiles have significantly reduced the size of the fan needed to satisfy a given duty. Standard features Blade design and aerodynamics selected to maximise performance Oil lubricated blade
- Air Flow Rate: 31783 to 3.39E6 SCFM
- Applications: Air Handling Units / HVAC, Exhaust Ventilation, Product / Process Cooling
- Design Configuration: Axial
- Environment: Clean Air / Gas, Dirty Air / Gas
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Supplier: Envirco
Description: microprocessor. Constant airflow over a wide range of external static pressures. Low power consumption at 235 watts. Low sound at only 48 dBA. High Efficiency Particulate Air (HEPA) UL 900 Filter: 99.99% efficient @ 0.3 micron Forward-curved centrifugal-type fan
- Construction: Fan Filter
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Supplier: Envirco
Description: possible with units programmed 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
- Construction: Fan Filter
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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
- Application: Industrial/Commercial
- Blower / Fan Type: Axial Fan
- Casing / Enclosure Dimension: 3.62 inch
- Maximum Air Flow: 41.67 SCFM
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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
- Control Technique: PID Control
- Form Factor: Panel / Chassis Mount
- Number of Control Outputs: 1 outputs
- Number of Inputs: 1 inputs
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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: 232 to 268 SCFM
- Design Configuration: Centrifugal
- Drive Options: Direct Drive
- Environment: Clean Air / Gas, Light Solids / Powder / Dust, Smoke
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Supplier: Kaeser Compressors, Inc.
Description: with near constant specific power. Equipped with Sigma profile rotors, they ensure maximum air delivery and keep power consumption to an absolute minimum. Comprehensive sensors A wide range of sensors and switches for monitoring pressure, temperature, speed, oil level, and filters
- Air Flow Rate: 448 to 2542 SCFM
- Environment: Clean Air / Gas
- System: Packaged (Complete System)
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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: 1010 SCFM
- Applications: Air Handling Units / HVAC, Other
- Design Configuration: Other
- Drive Options: Direct Drive
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Supplier: RS Components, Ltd.
Description: fast filter replacement and the electrical connections are managed with spring clamp terminals. TopTherm units feature efficient technology that enables greater pressure stability and more constant air flows. Stock No: 756-9935 is a temperature indicator. Features and Benefits
- Construction: Fan Filter, Other
- Length: 6.97 inch
- Width / Ring Size: 6.97 inch
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Supplier: TSI Incorporated
Description: HVAC commissioning and 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
- Device Category: Sensor
- Pressure Reading: Differential
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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
- Machine Mounting: Portable Machine
- Process / Operation: Cleaning / Surface Preparation, Other
- Water Flow: 3816 GPH
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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: RS Components, Ltd.
Description: fast filter replacement and the electrical connections are managed with spring clamp terminals. TopTherm units feature efficient technology that enables greater pressure stability and more constant air flows. Stock No: 756-9935 is a temperature indicator. Features and Benefits
- Air Flow Rate: 29.42 SCFM
- Applications: Other
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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: Air Handling Units / HVAC, Exhaust Ventilation, Materials Handling / Pneumatics, Other
- Design Configuration: Centrifugal
- Environment: Clean Air / Gas, Corrosive Gases, Other
- Features: Dampers / Louvers
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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
- Application: Coating / Painting
- Media: Coatings / Inks
- Nozzle Form: In-line
- Nozzle Material: Carbide
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Description: gas 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: Shenzhen INVT Electric Co., Ltd.
Description: motor) Dual variable frequency (master 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
- AC Input Frequency: 50 Hz, 60 Hz, Other
- AC Input Phase: Three Phase
- Application Categories: Inverter Drive
- Drive Type: Other
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Supplier: Despatch - ITW EAE
Description: The LFC Class A bench-top oven is specially designed to meet NFPA 86 requirements for applications that include flammable solvents or large amounts of moisture removal. They include a pressure relief panel, purge timer and exhaust fan. The LFC uses horizontal recirculating airflow to
- Application: Aging, Annealing, Baking, Curing, Drying, Heat Treating
- Atmosphere: Air / Oxidizing
- Capacity: 3.8 cubic feet
- Controller Type: Single Set Point, Programmable
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Supplier: CSA Group
Description: gas 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: RS Components, Ltd.
Description: fast filter replacement and the electrical connections are managed with spring clamp terminals. TopTherm units feature efficient technology that enables greater pressure stability and more constant air flows. Stock No: 756-9935 is a temperature indicator. Features and Benefits
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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
- Application / Industry: Industrial, HVAC
- Compressor Motor Horsepower: 2.68 to 70.07 HP
- Condenser Cooling System: Air-Cooled, Water-Cooled
- Cooling Capacity: 6 to 198 kW
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Supplier: Enervex, Inc.
Description: -controlled ventilation system senses when no appliances are running and operates at a very low speed. Once the appliance starts, the internal appliance fan creates pressure inside the duct which make the control increase fan speed. This system is similar to EXHAUSTO's MBES and
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Supplier: Genteq
Description: upon over 20 years of proven, reliable GE ECM technology. With the ever-increasing need for higher efficiency equipment, expect to see all PSC motors replaced with standard ECM in the next 10 years. X13 offers up to 33% greater efficiency than a PSC at rated speed, and up to 200% in constant
- AC Voltage & Frequency: 115 / 120V 60 Hz, 208-230 / 240V 60 Hz, 50 Hz / International Power, Other
- Commutation: Brushless
- Motor Shape: Cylindrical Body
- NEMA Frame Size: 48 #
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Supplier: American Control Electronics
Description: capacitor (PSC), shaded pole, synchronous, and universal motors. Unlike other common triac drives, the ACT series drive takes advantage of single phase motor characteristics to provide approximately constant pressure in filtered fan applications, meaning as a filter becomes
- AC Input Frequency: 50 Hz, 60 Hz
- AC Input Phase: Single Phase
- Application Categories: Motor Speed Controller, TRIAC Control
- Configuration: PC Board
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Supplier: RS Components, Ltd.
Description: fast filter replacement and the electrical connections are managed with spring clamp terminals. TopTherm units feature efficient technology that enables greater pressure stability and more constant air flows. Stock No: 756-9935 is a temperature indicator. Features and Benefits
- Temperature Set Point Range: 41 to 131 F
- Voltage: 24 to 230 volts
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Supplier: Xoxide
Description: the 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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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 -
required. Branch scrubbers are custom designed to fit your specific application. All performance levels are guaranteed. Virtually any material of construction is available. Complete packages with all components including controls, control panel, fans and pumps (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions -
required. Branch scrubbers are custom designed to fit your specific application. All performance levels are guaranteed. Virtually any material of construction is available. Complete packages with all components including controls, control panel, fans and (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions -
required. Branch scrubbers are custom designed to fit your specific application. All performance levels are guaranteed. Virtually any material of construction is available. Complete packages with all components including controls, control panel, fans and pumps (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions -
components including controls, control panel, fans and pumps for a complete single source responsibility. Shop fabricated units up to 50,000 cfm / 8,500 m3/h. Larger units are available using field fabricated designs. Principle of Operation (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions -
, control panel, fans and pumps for a complete single source responsibility. Shop fabricated units up to 50,000 cfm / 8,500 m3/h. Larger units are available using field fabricated designs. Principle of Operation Packed columns are (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions -
panel, fans and pumps for a complete single source responsibility. Shop fabricated units up to 50,000 cfm / 8,500 m3/h. Larger units are available using field fabricated designs. Principle of Operation Packed columns are used for (read more)
Browse Scrubbers Datasheets for Branch Environmental Solutions
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
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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 .