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WATTS® 0371271 34551
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WATTS® 0371271

WATTS® 0371271 530C Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Pressure, Brass Body

  • MPN: 0371271
  • TPN: 34551
  • UPC: 098268018233
  • Min Order Qty: 1
  • Quantity Interval: 1
  • Sold As: EACH
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WATTS®, 0371271, Pressure Relief Valve, Calibrated, Series: 530C, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Pressure, 180 deg F, Media: Air/Oil/Water, Brass Body, Buna-N® O-Ring Softgoods, 1-5/8 in W x 3 in H Dimensions

Type      :      Calibrated
Series      :      530C
Nominal Size      :      1/2 in
End Style      :      MNPT x FNPT
Pressure Rating      :      50 to 175 psi
Temperature Rating      :      180 deg F
Media      :      Air/Oil/Water
Body Material      :      Brass
Softgoods Material      :      Buna-N® O-Ring
Dimensions      :      1-5/8 in W x 3 in H
  • Bronze body construction
  • pdf Specification Sheet https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WATTS_0371271_Specification_Sheet.pdf
  • pdf Instruction/Installation Manual https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WATTS_121442_Installation_Manual.pdf
  • pdf Technical Bulletin https://www.texasplumbingsupplyinc.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/WATTS_371271_Technical_Bulletin.pdf

This 1/2 inch calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for bypass thermal expansion pressure relief (not ASME approved). It is for use in fire protection systems. The maximum pressure is 300 psi (20.67 bar). The adjustable pressure range is 50 to 175 psi (3.45 to 12.06 bar).