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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

7 items

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  • Qty in Cart
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  • Fairchild Adjustable Ratio Relay 21312
    21312 Fairchild Model 21 Adjustable Ratio Relay
    21312
    21312-FAIRCH

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 adjustable ratio relay with a 30:1 through 1:30 ratio range and 1/4in FNPT ports
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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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  • Fairchild Adjustable Ratio Relay 21312U
    21312U Fairchild Model 21 Adjustable Ratio Relay
    21312U

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 adjustable ratio relay with a 30:1 through 1:30 ratio range and 1/4in BSPT ports
    Quote Required Request a Quote
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    Qty in Cart: 0
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  • Fairchild Adjustable Ratio Relay 21313D
    21313D Fairchild Model 21 Adjustable Ratio Relay
    21313D

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 adjustable ratio relay with a 30:1-1:30 3/8FNPT
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  • Fairchild Adjustable Ratio Relay 21312D
    21312D Fairchild Model 21 Adjustable Ratio Relay
    21312D

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 adjustable ratio relay with a 30:1 through 1:30 ratio range, 1/4in FNPT ports and adjustable input/ouput bias
    Quote Required Request a Quote
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  • Fairchild Adjustable Ratio Relay 21313
    21313 Fairchild Model 21 Adjustable Ratio Relay
    21313
    21313-FAIRCH

    Fairchild Products

    Product Type: Adjustable Ratio Relays

    Rotork Fairchild Products Model 21 adjustable ratio relay with a 30:1 through 1:31 ratio range and 3/8in FNPT ports
    Quote Required Request a Quote
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    Qty in Cart: 0
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