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Item # R431008488, Rexroth TaskMaster® Solenoid Valves (2 Position, 1/4" & 3/8" NPTF)

Solenoid Operated, 2 Position Subbase Mounted
Single or Double Solenoid Operated

Port Sizes: 1/4" & 3/8" NPTF
Working Pressure:
    Valve inlet: 200 psi (13.8 bar) maximum with external pilot
    150 psi (10.3 bar) maximum with internal pilot
Minimum Pilot Pressure: 2 position: 15 psi (1 bar), Spring return models: 25 psi (1.7 bar)
Flow: Cv 1.0 (1000 Nl/min)
Temperature Range: -20ºF to +160ºF (-29ºC to 71ºC)
Media: Air and inert gases (In service higher than 18 cycles per minute or with continuous air flow, a lubricator is recommended.)
    Body, subplate and operators: Die cast anodized aluminum
    Spool: Machined from high-tensile anodized aluminum
    Seals: Buna-N specially treated
Manual Override: Non-Locking

Note: Other coil voltages are available - selection will be done at checkout.

Specifications  · Electrical Data  · Other Notes  · Features


Old Part #

PJ 031711
PJ 31711





With 3/8" subbase


Single Solenoid




2.63 lb

Port Size

1/4" & 3/8" NPTF

Working Pressure (Valve Inlet)

150 psi (10.3 bar) maximum with internal pilot
200 psi (13.8 bar) maximum with external pilot

Minimum Pilot Pressure

2 position: 15 psi (1 bar)
Spring return models: 25 psi (1.7 bar)


Cv 1.0 (1000 Nl/min)

Temperature Range

-20 to +160 ºF
-29 to 71

Manual Override


Molded Coil


Lead Length

24 in.

Coil Voltage1

120VAC@60 Hz Primary, 38VDC Secondary
12VDC Primary, 42VAC@60 Hz Secondary

240VAC@60 Hz Primary, 70VDC Secondary

24VDC Primary, 86VAC@60 Hz Secondary

480VAC@60 Hz Primary, 145VDC Secondary

Standard 120VAC@60 Hz Coil
1 Primary and secondary voltages will be stenciled on the solenoid data plate.

Electrical Data
Standard Voltage
(all coils are rated for continues duty)
Power Consumption
Inrush Holding
24, 120, 240 VAC 60 Hz 33 VA 22 VA
12, 24 VDC 12 W

Molded Coil: Standard
Lead Length: 24"

Other Notes
Solenoid pilot pressure must be a minimum of 25 psi with return springs, 15 psi less return springs and a maximum of 150 psi. A flush, non-locking manual override is standard for manual operation when the electric power is off. Other optional features are available upon request such as high pressure (200 psi) solenoids.

  • Subbase mounted four-way valves for two and three position (spring centered) closed center operation and a selection of three operators.
  • Three-way function can be obtained by plugging one delivery port to provide either normally open or closed operation.
  • Unique subbase is designed to be mounted to the customer’s equipment with only two mounting bolts, which saves labor and material during installation.
  • Separate tapped exhaust ports, in the subbase, for each delivery port allow exhaust air to be piped away for safety or noise reduction purposes and permit use of exhaust restrictors for cylinder speed control.
  • Minimum number of wearing parts. Lessens the chance of equipment downtime and reduces the cost of repair.
  • Low pilot pressure. A low (15 psi without springs-25 psi with springs) pilot pressure rating assures reliable operation. Fluctuating line pressures within the plant do not affect operation.
  • Continuous-duty solenoid. Won’t burn out...even when energized for extended periods. Pilot operated for fast response. Non-locking manual override is standard.
  • Lightweight aluminum spool. Aluminum spool is precision finished for faster response and optimum dependability.
  • Low friction spool bore. Bore is roller burnished for lower spool friction and longer seal life.
  • No-leak seals. Specially treated Buna-N seals assure low friction and long wear without leakage.
  • Easier maintenance. Simplified design offers quick access for maintenance through 3-bolt valve portion mounting and easy end cover removal.
  • U.L. listed.


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