Watts
Watts 0371271 Series 530C Pressure Relief Valve, 1/2 in, MNPT x FNPT, 50 to 175 psi Adjustment, 150 psi Setting
- Body Material: Brass
- Connection Type: MNPT x FNPT
- Dimensions: 1-5/8 in W x 3 in H
- Media: Water
- Nominal Size: 1/2 in
- Model #: 530C
- UPC #: 098268018233
- SKU: 8560179
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Product Details
This 1/2 in 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).Key Features
- Designed for protection against excessive pressure build up
- Calibrated pressure relief valve
Item Specifications
| Body Material | Brass |
|---|---|
| Connection Type | MNPT x FNPT |
| Dimensions | 1-5/8 in W x 3 in H |
| Media | Water |
| Nominal Size | 1/2 in |
| Operating Pressure | 300 psi |
| Pressure Adjustment Range | 50 to 175 psi |
|---|---|
| Setting Pressure | 150 psi |
| Softgoods material | Buna-N |
| Spring Material | Stainless Steel |
| Temperature Rating | 180 deg F |