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Description
Series 530C Calibrated Pressure Relief Valves are 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 by-pass thermal expansion pressure relief (not ASME approved). Model 530FP is for use in fire protection systems.

Maximum Pressure: 300psi (20.67 bar).
Adjustable Pressure Ranges: Sizes 1/2, 3/4 in. - 50 to 175psi (3.45 to 12.06 bar)
Size 3/4 in. - 100 to 300psi (6.89 to 20.67 bar)
Size Range: 1/2 to 3/4 in. (15 to 20mm)

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Specs
Size:

1/2"

Pressure Set Point:

50-175 psi

175 psi

Lead Free:

Yes

Pressure Set Point:

50 psi

Material:

Brass

Application:

Heating

Max Pressure (PSI):

175

Connection Type:

Threaded

ASME:

No

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