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Spring Relief Valve

REP 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 PDFs:Kunkle 337 and 215V Brochure
no imageKunkle 337 - 2"
The Kunkle 337 is a pressure relief valve that can be purchased preset per your requirements up to a maximum pressure of 60 psig and a minimum pressure of 1 psig.
$185.00
no imageKunkle 337 - 2.5"
The Kunkle 337 is a pressure relief valve that can be purchased preset per your requirements up to a maximum pressure of 60 psig and a minimum pressure of 1 psig.
$225.00
no imageKunkle 337 - 3"
The Kunkle 337 is a pressure relief valve that can be purchased preset per your requirements up to a maximum pressure of 60 psig and a minimum pressure of 1 psig.
$300.00
no imageKunkle 215V - 2"
The 215V is a vacuum Kunkle relief valve that can be purchased preset per your requirements up to a maximum vacuum of 29"Hgg and a minimum vacuum of 2"Hgg.
$206.00
no imageKunkle 215V - 2.5"
The 215V Kunkle Valves are vacuum relief valves that can be purchased preset per your requirements up to a maximum vacuum of 29"Hgg and a minimum vacuum of 2"Hgg.
$248.00
no imageKunkle 215V - 3"
The Kunkle 215V is a vacuum relief Kunkle valve that can be purchased preset per your requirements up to a maximum vacuum of 29"Hgg and a minimum vacuum of 2"Hgg.
$340.00
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Kunkle Valves

Rotating Engineered Products is your best source for blower and vacuum pump accessories such as a spring relief valve. From relief valves and check valves to filter assemblies and gauges, REP can provide parts or even repair service for your equipment. Browse our online selection of Kunkle relief valves and contact us if you cannot find what you need.