Flow Control Valve, Proportional Solenoid - Model 003A

003A While similar to Models 001 and 002, the Model 003A Mass flow control valve, designed for high flows, incorporates a pilot-operated valve design. The pilot valve, consisting of a spring-loaded diaphragm assembly and orifice system, controls the pressure differential across the diaphragm assembly, which lifts the main plunger off the orificeĀ permitting gas flow.


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Model 001, 002 & 003A: Mass Flow Control Valves

The Parker Models 001, 002, and 003A Mass Flow Control Valves are normally closed, proportional solenoid control valves. When coupled with a Parker Mass Flowmeter, a closed-loop control system is achieved which permits separate component (flowmeter and control valve) configuration. Models 001 and 002 consist of a valve body, valve sleeve, D.C. coil, internal valve assembly complete with an elastomeric valve seat and an orifice. Flow is regulated by varying the valve drive voltage to the D.C. coil, which creates a magnetic field lifting the internal valve assembly from the orifice to allow gas flow control.

 While similar to Models 001 and 002, additionally the Model 003A Mass Flow Control Valve, designed for high flows, incorporates a pilot-operated valve design. The pilot valve, consisting of a spring-loaded diaphragm assembly and orifice system, controls the pressure differential across the diaphragm assembly, which lifts the main plunger off the orifice permitting gas flow.

SPECIFICATIONS
Flow Capacity*

Model 001: 0-5 SCCM to 0-10 SLPM
Model 002: 0-10 SLPM to 0-100 SLPM
Model 003A: 0-100 SLPM to 0-500 SLPM
Ambient and Operating Temperature
Range: -10 to 70 °C ( ±14 to 158 °F)
Maximum Operating Pressure
Model 001 & 002: 1000 PSIG
Model 003A: 200 PSIG
Mounting Orientation
Attitude Insensitive
Dimensions
Refer to Dimensional Data Section


Weight (Approx)

Model 001: 0.6 lbs
Model 002: 2.1 lbs
Model 003A: 3.4 lbs
Valve Coil
Model 001 & Model 003A: 80 (±) Ohms
Model 002: 63 (± 3) Ohms
Operating Voltage (nominal)
4-11 Vdc (24 Vdc maximum)
Operating Current (nominal)
150 mAdc (275 mAdc maximum)

MATERIALS OF CONSTRUCTION
Body
316 Stainless Steel
Orifice
316 Stainless Steel
Valve Components (Wetted)
302 Stainless Steel, 316 Stainless Steel, 430F Stainless Steel and Sandvik® 1802
Elastomers (O-rings and Valve Seat)
Buna N, EPDM, Kalrez®, Neoprene or Viton®
Process Connections
316 Stainless Steel


Sandvik® - AB Sandvik Materials Technology
Kalrez®, Viton® - DuPont Dow Elastomers L.L.C.
Specifications subject to change

ORDERING INFORMATION
To order, please specify
• Model number
• Elastomer material
• Process connection size and type
• Flow capacity
• Gas type
• Operating temperature
• Inlet (supply) pressure
• Outlet pressure
• Additional accessories required

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