WATTS® 0371271 530C Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Pressure, Brass Body
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).
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BrandWATTS®
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UPC098268018233
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Manufacturer Part Number0371271
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CountryUSA|Canada
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Temperature Rating180 deg F
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Pressure Rating50 to 175 psi
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MediaAir/Oil/Water
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TypeCalibrated
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Nominal Size1/2 in
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Series530C
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Dimensions1-5/8 in W x 3 in H
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Softgoods MaterialBuna-N® O-Ring
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Body MaterialBrass
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End StyleMNPT x FNPT
- Bronze body construction
- Outlet (side), female NPT threaded
- Designed for protection against excessive pressure build up
- Bronze body construction
- Buna-N disc on machined body seat
- Buna-N disc on machined body seat
| Competitor Name | Cross-Reference Number |
|---|---|
| Ferguson | W530CD |
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Alternative Part Number98268018233|20098268018237|530C-STD 1/2
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UNSPSC40141606
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Package DescriptionEACH
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Standards/ApprovalsASME Specified|PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.
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WarrantyLimited
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Specification Sheet
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Instruction/Installation Manual
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Technical Bulletin
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WATTS® 0371271 530C Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Pressure, Brass Body
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).
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