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Model 20BP Back Pressure Pneumatic Booster
Brand: Fairchild Industrial ProductsThe Rotork Fairchild Model 20BP is a smaller Back Pressure Pneumatic Booster designed for automated or remote controlling of the back pressure or relief operation typically found in tank systems and other pressurized systems.
In its pilot operated design, the M20BP will operate from a signal pressure of up to 150 psig [10.0 BAR] (1,000 kPa) and handles up 250 psig (17.0 BAR, 1,700 kPa) system pressure.
The Fairchild Model 20BP Back Pressure Booster provides a flow capacity of 45 SCFM (76.5 m3/Hr), which equates to a Cv factor of approximately 1.0.
Features- Flow capacity of 45 SCFM (76.5 m3/Hr)
- Aspirator tube design
- A separate Control Chamber isolates the diaphragm from the main flow
- Unit construction
- Mounting Bracket available
Specifications
Ambient Temperature Range
- -40° to 93.3° C (-40° to 200° F)
BSP Connection
- 1/2” BSPP Female
- 1/2” BSPT Female
- 1/4” BSPP Female
- 1/4” BSPT Female
- 3/8” BSPP Female
- 3/8” BSPT Female
Diaphragm Material
- Nitrile on Dacron
Elastomers
- Silicone
- Viton (Fluorocarbon)
Enclosure, Body Material
- Aluminum
Environmental Protection
- Acceptable for use in Zones 1 & 2 for Gas Atmosphere, Groups IIA & IIB & Zones 21 & 22 for Dust Atmospheres
Flow Capacity
- 60 scfm (102 m³/hour) at psig: 100 (kPa: 700, bar: 7) Supply
Mounting
- Bracket Kit
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
- 3/8” NPT Female
Ratio
- 1:1
Ratio Accuracy
- 1.0 % of psig:100 (kPa:700, bar:7) Input Span
Sensitivity
- 1/4” WC (0.64 cm)
Signal or Output Pressure - Maximum
- psig: 150 (kPa: 1,000, bar: 10)
Supply Pressure - Maximum
- bar: 17
- kPa: 1,700
- psig: 250
Trim Material
- Brass
- Zinc-Plated Steel