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Home : Products : Accessories : Relief Valves : Kunkle Valves

Kunkle Valves

pdblowers offers Kunkle relief valves for positive mechanical protection of your positive displacement blower. The two series that are most used for blower protection is the 337 for pressure systems and the 215V for vacuum systems.

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  • Kunkle Pressure Relief Valve 337 - 2"

    Kunkle Pressure Relief Valve 337 – 2″

    $247.21
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  • Sale! Kunkle Pressure Relief Valve 337 - 2"

    CLEARANCE: 2″ Kunkle Pressure Relief Valve 337, 8.5 PSIG set point

    $249.00 $236.55
    Read more
  • Kunkle Valve 337 - 2.5"

    Kunkle Pressure Relief Valve 337 – 2.5″

    $418.23
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  • Sale! Kunkle Valve 337 - 2.5"

    CLEARANCE: 2.5″ Kunkle Pressure Relief Valve 337, 10.5 PSIG set point

    $398.00 $378.10
    Add to cart
  • Kunkle Relief Valve 337 - 3"

    Kunkle Pressure Relief Valve 337 – 3″

    $544.70
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  • Kunkle Relief Valve 215V - 2"

    Kunkle Relief Valve 215V – 2″

    $270.91
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  • Kunkle Valves 215V - 2.5"

    Kunkle Valves 215V – 2.5″

    $458.47
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  • Sale! Kunkle Valves 215V - 2.5"

    CLEARANCE: 2.5″ Kunkle Valve 215V, 6″ HGG set point

    $451.00 $428.45
    Add to cart
  • Kunkle Valve 215V - 3"

    Kunkle Valve 215V – 3″

    $592.86
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Product Line Details

pdblowers offers Kunkle relief valves for positive mechanical protection of your positive displacement blower. The two series that are most used for blower protection is the 337 for pressure systems and the 215V for vacuum systems.

The Kunkle relief valves are available in 2″, 2.5″ and 3″ NPT port sizes. The 337 has a male pipe thread (MPT) that connects to the discharge side of the system. The 215V has a female pipe thread (FPT) that connects to the inlet of the system. Even though the 337 and 215V look very similar, they are not interchangeable. The most visible distinction is the pull ring or bar on the top of a 337. This pull device allows the user to verify that the valve is relieving. The 215V does not have a pull device, but instead has a solid top.

Related Resources
Instruction Manuals
Kunkle Relief Valve Installation and Operation
Specifications
Kunkle 337 and 215V Relief Valve Brochure
Kunkle Relief Valve Data Supplement
Kunkle Relief Valve Technical Reference
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Gainesville, GA 30504
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