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National Stock Number:
4820-01-346-1132
Federal Supply Class:
4820
National Item Identification Number:
013461132
Description:
VALVE,SAFETY RELIEF
Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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Manufacturer Information:
| 790-100 | 06631 | ITT BELL AND GOSSET-HYDRONICS A UNIT OF ITT FLUID HANDLING DIV |
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Techincal Specification:
| FLOW CONTROL DEVICE | DISK | | MATERIAL | BRONZE BODY | | MEDIA FOR WHICH DESIGNED | STEAM SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH FIRST RESPONSE | | OPENING PRESSURE SETTING | 100.0 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | INLET SZ 0.750 IN.,OUTLET SZ 0.750 IN.; ASME RATING BTUH 2,075,000; 2.5625 IN. WD; 4.5625 IN. HIGH; MEETS REQUIREMENTS OF SEC 4 OF ASME BOILER & PRESSURE VESSEL CODE; DESIGNED TO PROTECT HYDRONIC HEATING SUSTEMS AGAINST OVER-PRESSURE CONDITIONS,& THEIR LOW DIFFERENTIAL BTWN.OPENING & CLOSING PRESSURES OFFER DEPENDABLE SAFETY PRODUCTION AGAINST DAMAGE CAUSED BY EXCESSIVE THERMAL EXPANSION |
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