Pressure Relief Valve, 1/2 x 3/4 in, FNPT, Brass
PartCLF253044
MFG253044
Description
Caleffi Safety Relief Valve, Series: 253, 1/2 x 3/4 in Nominal, FNPT, 150 psi, -20 to 360 deg F, Media: Water/Glycol Mixture, Brass Body, Polished Chrome
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Documentation
- These safety relief valves are used to control pressure in the primary circuits of solar heating systems
- When the calibrated pressure is reached, the valve opens to release the fluid into the atmosphere and prevents the pressure in the system from reaching levels that might damage the solar collectors and equipment
- These particular series of products have been specially made and certified to work at high temperature with a glycol medium
- 10% opening over pressure
- 20 % closing differential
- 171000 Btu discharge capacity
- Factory set to 60 psi
- Safety relief valve for solar heating systems
- Diaphragm and disk seal in high resistance elastomer
- Spring of stainless steel control knob of PA6G30
- Calibration setting: 45, 60, 90, 120, 150 psi (3, 4, 6, 8, 10 bar)
- 50% max glycol
| Nominal Size | 1/2 x 3/4 in |
| End Style | FNPT |
| Material | Brass |
| Body Material | Brass |
| Finish | Polished Chrome |
| Media | Water/Glycol Solution |
| Pressure Rating | 150 psi |
| Temperature Rating | -20 to 360 deg F |
| Brand | Caleffi |
| UNSPSC | 40141606 |
| Manufacturer | Caleffi |
| UPC | 8016615075410 |
| Manufacturer Part Number | 253044 |
Limited
ANSI Z21.22|CE Mark as per Directive 97/23/EC|TUV Rheinland is an Approved US Nationally Recognized Testing Laboratory (NRTL) Certified
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CaleffiPressure Relief Valve, 1/2 x 3/4 in, FNPT, Brass
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