Pneumatic Relays

Valin offers pneumatic biasing relays, ratio relays, reversing relays, averaging and computing relays, pressure selectors, and pressure limiting relays. Contact our friendly customer service for support and questions regarding pneumatic relays.

Pneumatic Relays

340 items

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  • rotork fairchild model 22 pneumatic computing relay
    22212 Fairchild Pneumatic Computing Relay
    22212
    22212-FAIRCH

    Fairchild Products

    Product Type: Computing Relays

    Rotork Fairchild Products Model 22 Pneumatic Computing Relay, 1/4" FPT Pipe, 20 PSIG, Die-Cast Aluminum, Buna-A Diaphragm, Tamperproof, Pneumatic Computing Relay with Zinc Plated Steel Range Screw and Fastener.
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  • rotork fairchild pneumatic adjustable ratio bias relay
    21313U Fairchild Pneumatic Adjustable Ratio Bias Relay
    21313U

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 Pneumatic Adjustable Ratio Bias Relay, 3/8" BSPT Pipe, 3 PSIG Input, 9 PSIG Output, Aluminum, Buna-N and Dacron Diaphragm, Tamperproof, Pneumatic Adjustable Ratio Bias Relay.
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  • rotork fairchild pneumatic adjustable ratio bias relay
    21312DU Fairchild Pneumatic Adjustable Ratio Bias Relay
    21312DU

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 Pneumatic Adjustable Ratio Bias Relay, 1/4" BSPT Pipe, 3 PSIG Input, 9 PSIG Output, Aluminum, Buna-N and Dacron Diaphragm, Pneumatic Adjustable Ratio Bias Relay.
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  • rotork fairchild pneumatic positive bias relay
    1566AT Fairchild Pneumatic Positive Bias Relay
    1566AT

    Fairchild Products

    Product Type: Biasing Relays

    Rotork Fairchild Products Model 1500A Pneumatic Positive Bias Relay, 3/4" FPT Pipe, 2 to 150 PSIG, Aluminum Alloy, Nitrile on Dacron Diaphragm, Tamperproof, Pneumatic Positive Bias Relay.
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  • rotork fairchild pneumatic positive bias relay
    1566AE Fairchild Pneumatic Positive Bias Relay
    1566AE

    Fairchild Products

    Product Type: Biasing Relays

    Rotork Fairchild Products Model 1500A Pneumatic Positive Bias Relay, 3/4" FPT Pipe, 2 to 150 PSIG, Aluminum Alloy, Nitrile on Dacron Diaphragm, Pneumatic Positive Bias Relay with Tapped Exhaust Vent.
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  • rotork fairchild pneumatic positive bias relay
    1564AT Fairchild Pneumatic Positive Bias Relay
    1564AT

    Fairchild Products

    Product Type: Biasing Relays

    Rotork Fairchild Products Model 1500A Pneumatic Positive Bias Relay, 1/2" FPT Pipe, 2 to 150 PSIG, Aluminum Alloy, Nitrile on Dacron Diaphragm, Pneumatic Positive Bias Relay.
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  • rotork fairchild pneumatic positive bias relay
    1564AETU Fairchild Pneumatic Positive Bias Relay
    1564AETU

    Fairchild Products

    Product Type: Biasing Relays

    Rotork Fairchild Products Model 1500A Pneumatic Positive Bias Relay, 1/2" BSPT Pipe, 2 to 150 PSIG, Aluminum Alloy, Nitrile on Dacron Diaphragm, Tamperproof, Pneumatic Positive Bias Relay with Tapped Exhaust Vent.
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  • rotork fairchild pneumatic positive bias relay
    1564AET Fairchild Pneumatic Positive Bias Relay
    1564AET

    Fairchild Products

    Product Type: Biasing Relays

    Rotork Fairchild Products Model 1500A Pneumatic Positive Bias Relay, 1/2" FPT Pipe, 2 to 150 PSIG, Aluminum Alloy, Nitrile on Dacron Diaphragm, Pneumatic Positive Bias Relay with Tapped Exhaust Vent.
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