4916ANNNF Fairchild Model 4900A Pneumatic Volume Booster 1:1 ratio
Rotork Fairchild Products Model 4900A Pneumatic Volume Booster, 1:1 ratio, 250 psi [17 BAR] supply, 500 SCFM [850m3/Hr]@100 psi supply/20 psi set, 150 psi [10 BAR] max output, 3/4 FPT line, 1/4 FPT gauge/signal, 3/4 FPT exhaust, no feedback port, Zn Plated Steel trim.
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Manufacturer: Fairchild Products
Accuracy: 0.50 Psi
Ambient Temperature: -40° To 200 °F (-40° To 93.3 °C)
Base Model: 4916A
Body Material: Aluminum
Elastomer: Nitrile On Polyester
Exhaust Capacity: 100 SCFM [170m³/Hr] Where Downstream Pressure Is 5 Psi Above 20 Psi Setpoint
Exhaust Type: Straight (Standard)
ExhaustCv: 9
Flow Capacity: 500 SCFM
FlowCv: 9
Mounting: Wall (21363-1 Bracket Required)
Operator: Pneumatic Pilot Signal
Options: [N] Nitrile [N] No Feedback Port [F] Zinc Plated Steel Trim
Pipe Size: 3/4 FPT
Pressure Range: 0 To 150 Psi
Product Type: Pneumatic Volume Boosters
Ratio: 1:01
RatioAccuracy: 0.5% Of 100 Psi Output Span
Sensitivity: 0.15 Psi
Supply Pressure: 250 Psi
Product Category: Pneumatic Volume Boosters
Product Description
The Rotork Fairchild Model 4900A is a High Flow Pneumatic Volume Booster designed for high precision applications. With Cv of 9 in both forward and exhaust modes, this pilot operated booster provides fast response, very low deadband and high precision control. In its pilot operated regulator design, the M4900A handles up 250 psig [17 BAR] (1700 kPa) supply pressure and delivers an output pressure up to 150 psig [10 BAR] (1000kPa). The Fairchild Model 4900A Booster provides a flow capacity of 500 SCFM [850m3/Hr], which equates to a Cv factor of approximately 9 in both forward and exhaust modes.
Fast response for quick valve opening and closing times
Highly accurate valve control for your system
Provides excellent pressure control
Provides efficient dynamic reverse flow characteristics
Provides high accuracy, sensitivity and excellent low pressure performance
Provide efficient leak free operation
Prevents changes in control characteristics when supply pressure changes
Provides very stable operation
Provide convenient access to the outlet for additional control accessories and pressure monitoring
Allows for easy collection of exhaust air or use of a silencer
Certification for use in all Canadian territories and provinces
NOTES: Oil free air must be applied to the regulator. Use a filter to remove dirt and entrained liquid in the air line ahead of the regulator. If an air line lubricator is used, it MUST be located downstream of the regulator, to avoid interference with regulator
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