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National Stock Number:
4820-00-446-3550
Federal Supply Class:
4820
National Item Identification Number:
004463550
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:
| 3305752 | 55380 | HATCH & KIRK, INC. | | 658M0D | 37239 | LUNKENHEIMER CO | | N21502PC4 | 55380 | HATCH & KIRK, INC. | | 81125S41-21502PC4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +7.0 TO 25.0 POUNDS PER SQUARE INCH | | BOLT CIRCLE NOMINAL DIAMETER | 3.875 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES FIRST END | | BOLT HOLE QUANTITY | 4 FIRST END | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION TYPE | FLANGE FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | NOMINAL OUTSIDE DIAMETER | 5.000 INCHES FIRST END | | NOMINAL THICKNESS | 0.438 INCHES FIRST END | | SPECIAL FEATURES | MODIFIED WITH FLANGE CONNECTIONS AND FLAT DISK | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC |
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