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National Stock Number:
4210-00-288-6871
Federal Supply Class:
4210
National Item Identification Number:
002886871
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:
| 378288 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | STRAIGHT THRU | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | EXPOSED SPRING | | FURNISHED ITEMS | TEST ATTACHMENT | | FACE TO FACE DISTANCE | 11.500 INCHES NOMINAL | | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE | | FIRST END FLANGE LENGTH | 0.437 INCHES NOMINAL | | FIRST END FLANGE OUTSIDE DIAMETER | 5.562 INCHES NOMINAL | | FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES | | FIRST END STYLE DESIGNATOR | PLAIN | | FLOW CONTROL DEVICE | DISK, FLAT | | MEDIA FOR WHICH DESIGNED | WATER, FRESH | | OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | RENEWABLE SEAT RING TYPE | BONDED | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | VALVE OPERATION METHOD | PISTON | | SPRINKLER SYSTEM FOR WHICH DESIGNED | DRY PIPE | | STEM MATERIAL | NICKEL ALLOY | | STEM MOVEMENT DIRECTION | DESCENDING |
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