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Our iPolymer Pressure Relief Valve (PRV) is constructed with a 100% pure PTFE Valve Body and Valve Plug. The single O-Ring design allows user selection of EP, Viton or Kalrez (FFKM eq.) depending on the flowing media. The iPolymer PRV is factory configured for a 10 psi to 90 psi pressure range. The relief valve is fully adjustable within this range by simply adjusting the upper Socket Hex Adjustment Screw and locking in place with the associated locking nut. Our iPolymer Pressure Relief Valve is configured with three Upper Housing and Lower Base options: Polyvinylidene Fluoride (“PVDF”), Polypropylene (“PP”) or Anodized Aluminum (“AA”) as shown.
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Item #

Port Size

Orifice Size

Port Type

O-Ring Type

Housing/Baseplate Material

PRV-44P-EP-AA N/A 1/4 in N/A 1/4 in N/A FNPT N/A EPDM N/A Anodized Aluminum
PRV-66P-EP-AA N/A 3/8 in N/A 3/8 in N/A FNPT N/A EPDM N/A Anodized Aluminum
PRV-88P-EP-AA N/A 1/2 in N/A 1/2 in N/A FNPT N/A EPDM N/A Anodized Aluminum
PRV-43T-EP-AA N/A 1/4 in N/A 3/16 in N/A Tube N/A EPDM N/A Anodized Aluminum
PRV-65T-EP-AA N/A 3/8 in N/A 5/16 in N/A Tube N/A EPDM N/A Anodized Aluminum
PRV-87T-EP-AA N/A 1/2 in N/A 7/16 in N/A Tube N/A EPDM N/A Anodized Aluminum
PRV-42FF-EP-AA N/A 1/4 in N/A 1/8 in N/A Flare N/A EPDM N/A Anodized Aluminum
PRV-64FF-EP-AA N/A 3/8 in N/A 1/4 in N/A Flare N/A EPDM N/A Anodized Aluminum
PRV-86FF-EP-AA N/A 1/2 in N/A 3/8 in N/A Flare N/A EPDM N/A Anodized Aluminum
PRV-44P-EP-PP N/A 1/4 in N/A 1/4 in N/A FNPT N/A EPDM N/A Polypropylene
PRV-66P-EP-PP N/A 3/8 in N/A 3/8 in N/A FNPT N/A EPDM N/A Polypropylene
PRV-88P-EP-PP N/A 1/2 in N/A 1/2 in N/A FNPT N/A EPDM N/A Polypropylene
PRV-43T-EP-PP N/A 1/4 in N/A 3/16 in N/A Tube N/A EPDM N/A Polypropylene
PRV-65T-EP-PP N/A 3/8 in N/A 5/16 in N/A Tube N/A EPDM N/A Polypropylene
PRV-87T-EP-PP N/A 1/2 in N/A 7/16 in N/A Tube N/A EPDM N/A Polypropylene
PRV-42FF-EP-PP N/A 1/4 in N/A 1/8 in N/A Flare N/A EPDM N/A Polypropylene
PRV-64FF-EP-PP N/A 3/8 in N/A 1/4 in N/A Flare N/A EPDM N/A Polypropylene
PRV-86FF-EP-PP N/A 1/2 in N/A 3/8 in N/A Flare N/A EPDM N/A Polypropylene
PRV-44P-EP-PVDF N/A 1/4 in N/A 1/4 in N/A FNPT N/A EPDM N/A PVDF
PRV-66P-EP-PVDF N/A 3/8 in N/A 3/8 in N/A FNPT N/A EPDM N/A PVDF
PRV-88P-EP-PVDF N/A 1/2 in N/A 1/2 in N/A FNPT N/A EPDM N/A PVDF
PRV-43T-EP-PVDF N/A 1/4 in N/A 3/16 in N/A Tube N/A EPDM N/A PVDF
PRV-65T-EP-PVDF N/A 3/8 in N/A 5/16 in N/A Tube N/A EPDM N/A PVDF
PRV-87T-EP-PVDF N/A 1/2 in N/A 7/16 in N/A Tube N/A EPDM N/A PVDF
PRV-42FF-EP-PVDF N/A 1/4 in N/A 1/8 in N/A Flare N/A EPDM N/A PVDF
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