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Model 4500ABP Pneumatic Back Pressure Booster
Brand: Fairchild Industrial ProductsRotork Fairchild’s M4500ABP is a High Flow Back Pressure 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 M4500ABP 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 4500ABP Back Pressure Booster provides a flow capacity of 150 SCFM (255 m3/HR), which equates to a Cv factor of approximately 3.0.
Features- Flow capacity of 150 SCFM (255 m3/HR)
- Control sensitivity of 1" water column
- Large Exhaust Valve design
- Separate Control Chamber
- Aspirator Tube design
- Unitized Construction
Specifications
Actuator Type
- Knob
- Tamper-Proof
Ambient Temperature Range
- -40° to 93.3° C (-40° to 200° F)
BSP Connection
- 1/2” BSPP Female
- 1/2” BSPT Female
- 3/4” BSPP Female
- 3/4” BSPT Female
- 3/8” BSPP Female
- 3/8” BSPT Female
Diaphragm Material
- Nitrile on Dacron
Elastomers
- 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
- 150 scfm (255 m³/hour) at psig: 100 (kPa: 700, bar: 7) System Pressure
Mounting
- Bracket
NPT Connection
- 1/2” NPT Female
- 3/4” NPT Female
- 3/8” NPT Female
Ratio
- 1:1
Ratio Accuracy
- 3.0 % at psig:100 (kPa:700, bar:7) Input Span
Sensitivity
- 1” WC (2.54 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