Model 100 High Flow Pressure Regulator from Rotork Fairchild

Model 100 High Flow Pressure Regulator from Rotork FairchildRotork Fairchild Model 100 is a high flow precision pressure regulator designed for applications that require high performance, large volume flow and accurate process control. Like many of the Fairchild precision regulators, the compensating action of the inner valve assembly of the Model 100 allows complete stabilization of downstream pressure.

Operating Principles
The Model 100 High Flow Pressure Regulator is designed for use in control systems requiring unusually high flow capacities. Like many of the Fairchild regulators, the compensating action of the inner valve assembly of the Model 100 allows complete stabilization of downstream pressure. 

This high-quality unit, which operates as efficiently on shop air as on dry instrument air, offers unusual versatility and economy. The Model 100 is capable of providing precise control of set point and good sensitivity under high flow conditions, and is the ideal choice for many demanding applications, including main header regulator control, large nip roll loading, and clutch brake operation. 

Features

Model 100 High Flow Pressure Regulator Features

  • The ideal choice for many demanding applications, including main header regulator control, large nip roll loading, and clutch brake operation
  • High flow capacity of 1500 SCFM, 2550 m3/hr - excellent for high flow applications
  • Sensitivity of 1" (1.27 cm) of water - responds to and compensates for even minute changes in downstream pressure
  • Venturi-type aspirator tube provides higher stability to minimize downstream pressure droop under flowing conditions
  • Balanced supply valve minimizes effect of any supply pressure variation
  • Five output pressure ranges from 0-10 psi, 0-0.7 BAR, 0-70 kPa up to 2-150 psi, 0.14-10 BAR, 14-1000 kPa
  • Control chamber isolates the control diaphragm to eliminate hunting and buzzing
  • Large valves and orifices - operates equally well on shop air or clean, dry instrument air
  • Unit construction allows service and maintenance without removal from line

Specifications

Model 100 High Flow Pressure Regulator Specifications

SpecificationDescription
Maximum Supply Pressure250 psig, [17.0 BAR], (1700 kPa)
Flow CapacityIn excess of 1500 SCFM (2550 m3/HR) at 100 psig [7.0 BAR] (700 kPa) supply, 1 ?" NPT connection, 40 psig [2.8 BAR] (280 kPa) setpoint
Exhaust Capacity44 SCFM (75 m3/HR) for downstream pressure 5 psig [.35 BAR] (35 kPa) above 20 psig set pressure
Supply Pressure EffectLess than 0.1 psig (.007 BAR) (.7 kPa) per 100 psig [7.0 BAR] (700 kPa) change
Sensitivity1" (1.27 cm) Water Column
Ambient Temperature Limit-40°F to +200°F (-40°C to +93.3°C)

Q & A

Q&A Section with Expand/Collapse Icons

Model 100 High Flow Pressure Regulator Q & A

+ What is the maximum supply pressure for the Model 100 High Flow Pressure Regulator?
The maximum supply pressure is 250 psig [17.0 BAR] (1700 kPa). This allows the regulator to handle high-pressure systems commonly found in industrial pneumatic and process control applications.
+What is the flow capacity of this regulator?
This model delivers a flow capacity in excess of 1500 SCFM (2550 m3/HR) with a 100 psig [7.0 BAR] (700 kPa) supply pressure and a 40 psig [2.8 BAR] (280 kPa) setpoint using a 1 ?" NPT connection. It’s designed for applications demanding high air flow and quick response.
+What is the exhaust capacity of this unit?
The regulator has an exhaust capacity of 44 SCFM (75 m3/HR) when the downstream pressure is 5 psig [.35 BAR] (35 kPa) above a 20 psig set pressure, ensuring fast system pressure relief and stability.
+How sensitive is this regulator to small pressure changes?
It offers an extremely high sensitivity of 1" (1.27 cm) water column, making it suitable for precision applications that require fine pressure control and minimal deviation.
+ How does supply pressure variation affect the set pressure?
The supply pressure effect is minimal — less than 0.1 psig (.007 BAR) (.7 kPa) for every 100 psig [7.0 BAR] (700 kPa) change in supply pressure. This ensures stable output even with fluctuating supply pressures.

Downloads

Download Rotork Fairchild Model 100 High Flow Pressure Regulator Datasheet

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