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National Stock Number:
4210-00-774-1438
Federal Supply Class:
4210
National Item Identification Number:
007741438
Description:
VALVE,CONTROL,AUTOMATIC SPRINKLE
Detail:
A DEVICE DESIGNED FOR INSTALLATION IN THE MAIN RISER OF A DRY OR EMPTY PIPE AUTOMATIC SPRINKLER SYSTEM AND HELD CLOSED BY SPRING FORCE, AIR, OR WATER PRESSURE. WATER IS AUTOMATICALLY RELEASED TO THE SPRINKLER SYSTEM EITHER BY RELEASING OR LOWERING THE PRESSURE BEYOND THE MINIMUM REQUIREMENT OR ADMITTING AND INCREASING THE PRESSURE TO OVERCOME THE SPRING FORCE.
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Manufacturer Information:
| 1470 | 70334 | ALTER HARRY CO THE DIV OF T E C |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY MATERIAL | STEEL | | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS | | BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SCREW | | FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE | | FIRST END STYLE DESIGNATOR | SWIVEL NUT, GASKET SEAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2B | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES NOMINAL | | FLOW CONTROL DEVICE | PLUG | | MEDIA FOR WHICH DESIGNED | WATER, FRESH | | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE | | SEAT MATERIAL | STEEL | | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES NOMINAL | | SECOND END THREAD DIRECTION | RIGHT-HAND | | SECOND END THREAD CLASS | 2A | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END SEAT ANGLE | 45.0 DEGREES NOMINAL | | SECOND END STYLE DESIGNATOR | FLARED | | VALVE OPERATION METHOD | WHEEL | | STEM MATERIAL | STEEL | | STEM MOVEMENT DIRECTION | DESCENDING | | SURFACE TREATMENT | CADMIUM OUTSIDE |
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