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Watts 1/2 In Lead Free Brass Poppet Type Calibrated Pressure Relief Valve, Adjustable 50-175 psi

SKU: 0556035

$202.50

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Product Details

Watts 0556035

This 1/2'' lead free calibrated pressure relief valve is designed for use as protection against excessive pressure build-up in systems containing water, oil and air. It has a lead free brass body, 1/2'' NPT male inlet and 1/2'' NPT female (drain) outlet. This valve has an adjustable pressure of 50 to 175 psi (3.4 to 12.1 bar) and maximum working temperature of 180 deg F.


  • UPC 098268435191
  • Online Product ID 3632271
  • Weight 0.42 lbs.
  • Material Brass
  • Buy American Act Compliant yes
  • Inlet Connection Size 0.5''
  • Inlet Connection Type Male Threaded
  • Inlet Thread Type NPT
  • Lead Free yes
  • Maximum Temperature Deg F 180
  • Maximum Working Pressure Psi 300
  • Outlet Connection Size 0.5''
  • Outlet Connection Thread Type NPT
  • Outlet Connection Type Female Threaded
  • Pressure Range 50 to 175
  • Pressure Relief Setting Psi 150
  • Protection Type Pressure
  • Series LF530C
  • Valve Type Poppet

Additional information

  • Adjustable range 50 to 175 psi
  • All stainless steel spring
  • Lead free brass body construction
  • Maximum temperature 180 deg F

About This Brand

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