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Specifications

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3-Way ANSI Symbol

For single operator spring returned valves, the spring will be on the right side of the diagram - supply to port 3 would yield a normally closed valve.
Note: Any port may be pressurized or plugged.



4-Way ANSI Symbol

For single operator spring returned valves, the spring will be on the right side of the diagram - with supply in "P", "B" is pressurized and "A" is exhausted.
Note: Any port may be pressurized or plugged.

Flow Capacity 1.0 Cv or 45 SCFM at 100 PSI inlet with a Δp of 20 PSI
Pilot Pressure 35 to 150 PSI
Operating Pressure Vacuum to 150 PSI
Media Air or other inert gases
Ports 1/4" NPT
Body Anodized Aluminum
Spool 416 Stainless Steel
Seals Self-lubricating Buna-N
Pilot Piston Tube 304 Stainless Steel
Operating Temperature -20°F to +160°F


Model Numbers

Function **Operator Model Number
3 Way Single Pilot*
Spring Return
M3821301
3 Way Double Pilot* M3821313
4 Way Single Pilot*
Spring Return
M3841301
4 Way Double Pilot* M3841313
*For maximum life, the pilot air should be restricted.
**Double pilot operated valves must be mounted with the spool in the horizontal position.