Negative Pressure Fans

Description: For conveying air. Proven 2- or 3-lobe blower technology for plant engineering for forced conveyance at extreme negative pressure up to 80% vacuum. Oil-free and extremely robust. Belt or direct drive version. For stationary and vehicle application. DESIGN Housing with additional third

• Air Flow Rate: 35.316 to 26,487 SCFM
• Static Pressure: -321.0894898552329 to 0 in H2O
• Material of Construction: Cast Iron
• Environment: Clean Air / Gas

Description: The EFV Exhaust Fan is used for bathroom, kitchen and clothes dryer exhaust. It is installed at the exhaust duct termination point where it ensures a negative pressure in the entire duct system. For optimal performance the fan speed can be controlled by a modulating

• Air Flow Rate: 450 to 4,000 SCFM
• Media Temperature: 480 F
• Maximum Diameter (Fan or Blower Wheel): 25.61 inch
• Features: Air Handling Units / HVAC, Exhaust Ventilation, Pressure / Pressurization Blower

Description: The RSV Boiler Fan is a mechanical draft fan that is used in conjunction with condensing and non-condensing gas-fired boilers and water heaters. It is installed at the chimney termination point where it ensures a mechanical draft (negative pressure) in the entire chimney

• Air Flow Rate: 450 to 4,000 SCFM
• Media Temperature: 482 F
• Maximum Diameter (Fan or Blower Wheel): 22.85 inch
• Features: Air Handling Units / HVAC, Pressure / Pressurization Blower

Description: The IPVB inline boiler exhaust fan is a mechanical draft fan that is used in conjunction with condensing and non-condensing gas-fired boilers and water heaters. It is installed in the chimney flue system where it ensures a mechanical draft (negative pressure) in the

• Air Flow Rate: 500 to 6,000 SCFM
• Media Temperature: 575 F
• Maximum Diameter (Fan or Blower Wheel): 14 inch
• Features: Air Handling Units / HVAC, Exhaust Ventilation, Pressure / Pressurization Blower

Description: (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,

• Working Pressure Range: 0.541905 psi
• Dial Diameter: 4 inch
• Pressure Connection Size: 0.5 inch
• Accuracy: 2 ±% FS

Description: Enervex (Exhausto) Chimney fan for mechanical venting of fireplaces and stoves. 120 VAC. 1.2 Amps. 14.6x14.6 inch base. Speed controller included. The chimney draft fan is installed at the chimney termination point, vertically or for side-wall venting. Assures a negative

Description: Introduction ENVIRCO® developed the MAC 10® RFAC for applications requiring negative pressure reverse flow FFUs. The RFAC is designed to pull contaminated air from the intake side of the filter, filter the air, and then exhaust it outside of the area required. The most common

• Applications / Use: Air Handling Units / HVAC
• Product Form: Packaged (Complete System)

Description: sizes are 16 through 48″. Fans are designed for mounting in any position from horizontal to vertical. Series 52 Tubeaxial Blowers are designed for systems requiring high volumes of air with static pressures to 6″. These fans fill a gap in performance between standard duct

• Static Pressure: 0 to 3 in H2O
• Maximum Diameter (Fan or Blower Wheel): 12 to 24 inch
• Material of Construction: Aluminum, Stainless Steel, Steel
• Design: Axial

Description: of the Hartzell Duct Fan. Duct axial fans provide maximum efficiency in the static pressure range from 1” to 4.5” at low speeds and with surprisingly low noise characteristics. The addition of a specially designed vane section to the Series 35 Fiberglass Duct Axial® Fan

• Static Pressure: 0 to 3 in H2O
• Maximum Diameter (Fan or Blower Wheel): 12 to 60 inch
• Design: Axial
• AMCA Class: Class I

Description: connectors & chimneys - Great for noise sensitive installations - Connects easily to single wall, insulated and tile lined flues - Rooftop mounting maintains negative pressure throughout entire vent system - Hi-temp powder coat finish

Description: • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures • Large, easy-to-read 4" (102 mm) dial • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems The Magnahelic guage is the industry standard to

• Dial Size: 4 inch
• Type: Differential

Description: • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures • Large, easy-to-read 4" (102 mm) dial • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems The Magnahelic guage is the industry standard to

• Type: Differential

Description: • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures • Large, easy-to-read 4" (102 mm) dial • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems The Magnahelic guage is the industry standard to

• Type: Differential

Description: • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures • Large, easy-to-read 4" (102 mm) dial • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems The Magnahelic guage is the industry standard to

• Type: Differential

Description: to the hot flue gases and still ensure a mechanical draft (negative pressure) in the entire chimney or stack system. For optimal performance the fan speed can be controlled by a modulating pressure control (EBC 12 or EBC 30/35). The MFPE is typically used in applications

Description: Adjustable high-volume fans allows precise regulation of pressure inside a cleanroom or other enclosure HEPA-filtered model removes sub-micron powders and other particles to protect the external environment Ideal for operations with hazardous materials that require negative

• Air Flow Rate: 3,000 to 3,200 SCFM
• Applications / Use: Air Handling Units / HVAC
• Design: Axial
• Environment: Clean Air / Gas, Light Solids / Powder / Dust

Description: Adjustable high-volume fans allows precise regulation of pressure inside a cleanroom or other enclosure HEPA-filtered model removes sub-micron powders and other particles to protect the external environment Ideal for operations with hazardous materials that require negative

• Air Flow Rate: 1,642 to 2,230 SCFM
• Static Pressure: 0 to 1 in H2O
• Applications / Use: Air Handling Units / HVAC, Exhaust Ventilation
• Design: Axial

Description: Adjustable high-volume fans allows precise regulation of pressure inside a cleanroom or other enclosure HEPA-filtered model removes sub-micron powders and other particles to protect the external environment Ideal for operations with hazardous materials that require negative

• Air Flow Rate: 4,117 to 5,768 SCFM
• Static Pressure: 0 to 1 in H2O
• Applications / Use: Air Handling Units / HVAC
• Design: Axial

Description: Vaneaxial fans are highly efficient axial flow fans designed for static pressures up to 10”. We also offer the compactness and in-line configuration of axial flow fans. The vaneaxial fan is the workhorse of the Hartzell line of duct type fans. These

• Static Pressure: 0 to 8 in H2O
• Maximum Diameter (Fan or Blower Wheel): 12 to 60 inch
• Material of Construction: Aluminum, Stainless Steel, Steel
• Design: Axial

Description: ducts can be greatly extended when sized correctly according to equipment exhaust requirements. When exhaust fume leakage is of a concern a negative pressure fan system should be incorporated. Please consult a Novaflex factory salesperson for correct sizing for diesel, caustic

• Outside Diameter: 3 to 24 inch
• Temperature Range: -200 to 1,000 F
• Specialized Construction: Coiled
• Media: Discharge / Exhaust

Description: Inducers solve the drafting problems caused by undersized pipes, and negative building pressures. Cross flow fans provide an even air distribution across the entire length of the fan. Centrifugal blowers are highly efficient units that use rotating blades to increase the

• Air Flow Rate: 180 SCFM
• Applications / Use: Air Handling Units / HVAC
• Design: Centrifugal
• Environment: Clean Air / Gas

Description: a set maximum Load Sense limits outlet pressure to a set margin above load pressure Cold Start forces pump to near-neutral when electrical current is applied Torque Control limits pump torque to a set maximum Remote Pressure Control limits outlet pressure proportional to

• Maximum Discharge Pressure: 3,625 to 5,076 psi
• Pump Type: Hydraulic Pumps, Piston / Plunger Pumps, Positive Displacement Pumps, Reciprocating Pumps

Description: applications Materials used meet the requirements of UL 181, Class 1 Flame retardant to UL 94V-0 Available with a non-marking thermoplastic rubber clip cover to protect the helix & the equipment that is attached to the hose Standard Max. Inside Diameter = 14", Custom to 20" Negative

• Inside Diameter: 10 inch
• Working Pressure: 3 psi
• Maximum Vacuum: 2 in Hg vac
• Temperature Range: 20 to 150 F

Description: Cleanroom HVAC systems features and capabilities: Operate independently of large, central systems Can control positive and negative pressure Are ideal where point-of-use control is required Available with many factory-installed options such as close temperature tolerances, alarms and

• Type: Central, Precision Cooling
• Application: Cleanroom, Commercial, Hospital / Medical, Industrial

Description: construction. Uniform flexibility and compressibility reduces exhaust turbulence and pressure loss. Applications: High temperature air supply and removal Garage fume control Combustion by-products A negative pressure fan system with ambient air inlet is recommended to

• Outside Diameter: 2 to 12 inch
• Temperature Range: -60 to 500 F
• Media: Air, Discharge / Exhaust
• Application: Automotive, Other

Description: Cleanroom HVAC systems features and capabilities: Operate independently of large, central systems Can control positive and negative pressure Are ideal where point-of-use control is required Available with many factory-installed options such as close temperature tolerances, alarms and

Description: ring fan concept with a windband and butterfly dampers. Dampers open automatically when the fan goes on and close weathertight when the fan is shut down. During operation, the force of the discharge air effectively prevents entry of rain or snow. Standard sizes are 28 to 60″,

• Static Pressure: 0 to 3 in H2O
• Maximum Diameter (Fan or Blower Wheel): 12 to 60 inch
• Drive Type: Belt Drive, Direct Drive
• AMCA Class: Class I

Description: ventilated air move through at a set cfm (cubic feet per minute). Should a fan bearing fail, the air quality in the building can be negatively effected. Monitors are set to alarm should a bearing enter the failure mode. VIII. Cooling Fan bearings in a UPS (uninterruptible power supply)

• Monitored Properties: Acceleration / Vibration, Acoustic / Sound, Electrical Properties, Flow, Pressure
• Technology: Wired

Description: VAC power) Features & Benefits VAV HVAC controls reduce operating costs Designed for low pressure drop components to further reduce fan energy, saving energy costs VAV airflow reduction allows fans and other capital equipment to be downsized, saving money Maintains laboratory

• Controller Type: Laboratory Controller

Description: rigid panels for effective cleaning and sterilization 40 mil fire-resistant, anti-static vinyl offers both cleanliness and durability Fan/filter modules provide HEPA-filtered inlet air to the locations you require to meet cleanliness requirements to ISO 7 or provide

• Cleanliness Class: Class 10,000 (ISO 7), Class 100,000 (ISO 8)
• ESD Control: Low Outgassing
• Fabrication: Mini Environment, Modular Softwall
• Material: Vinyl

Description: for fans. Pfannenberg proudly utilizes components which adhere to these requirements for up to 43% energy savings and operating costs reduction. High Airflow Backward Curve Impeller Fan Provides high airflow in a long lasting, single bearing design. Outperforms typical two-bearing

• Cooling Capacity: 2,999.9999999999995 to 5,999.999999999999 BTU/hr
• Voltage: 230 VAC, 460 VAC
• Frequency: 50 Hz, 60 Hz
• Application: Industrial

Description: Overload Protection High pressure cutout switch ensures safety by shutting off the compressor in the event of excessive pressure appearing in the refrigeration circuit. Environmentally Friendly Utilizes HFC-free R134a refrigerant versus a blended refrigerant for easier service and

• Cooling Capacity: 2,999.9999999999995 to 5,000 BTU/hr
• Voltage: 115 VAC
• Frequency: 50 Hz, 60 Hz
• Application: Industrial

Description: Specifications: Air Flow (CFM/CMH): 75.6 / 128.6 Bearing: Nanoflux Bearing Cable Length (mm): 500 Current (A): 0.45 DC Voltage (V): 12 Fan Dimensions (mm): 120 (l) x 120 (w) x 25 (h) Fan Speed (RPM): 600 - 1800 Heat Sink Dimensions (mm): 130(l) x 65 (w) x 159 (h) LED Color: Blue Life

Description: under negative pressure or surrounded by directly exhausted (non-re-circulated through the work area) negative pressure ducts and plenums. Type B2 Biosafety Fume Hood/Cabinet classified to UL 1805 may be used for work with flammable or volatile chemicals and radionuclides

• Inflow Velocity: 105 SFPM
• Cabinet Type: Class II Type B2

Description: HEPEX Zero Leak Airflow System The HEPEX™ Zero Leak Airflow System provides quiet, uniform velocities throughout the entire sterile work zone. All positive pressure chambers and ducts are surrounded by a vacuum or negative air pressure relative to the room. This feature

• Inflow Velocity: 105 SFPM