Parker Hannifin RL4 Series Relief Valves

Parker RL4 Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting flow through the valve. Flow through the valve increases proportionately to the increase in upstream pressure.

RL4 Series

142 items

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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD-C3 Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD-C3

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD-C Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD-C

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
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    Qty in Cart: 0
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KD

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KC-C3 Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KC-C3

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
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    Qty in Cart: 0
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KC-C Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KC-C

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KB Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS-KB

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
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  • Parker CPI RL4 Series Relief Valve
    4Z-RL4A-VT-SS Parker RL4 Series Relief Valve
    4Z-RL4A-VT-SS

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: Single Ferrule Compression

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
    Add to Cart
    Add to Wish List
    Qty in Cart: 0
    Price:
    Subtotal:
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  • Parker CPI RL4 Series Relief Valve
    4M4Z-RL4A-VT-SS-KG Parker RL4 Series Relief Valve
    4M4Z-RL4A-VT-SS-KG

    Parker Hannifin

    Product Type: Plug Valves

    End 1 Type: MNPT

    End 2 Type: Single Ferrule Compression

    Parker CPI™ RL4 Series Rotary Plug Valve, 1/4" Male NPT, 1/4" CPI Compression, RL4A Valve Series, Fluorocarbon Rubber Seal, PTFE Back-up Ring, Stainless Steel Body, Automatically Operated.
    Quote Required / Each Request a Quote
    / Each
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    Add to Wish List
    Qty in Cart: 0
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