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National Stock Number:
4210-00-288-6872
Federal Supply Class:
4210
National Item Identification Number:
002886872
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:
| 2653FAND2654FV90000 | 30787 | BYRON W H INC A C E DIV | | 2653FPC1T047 | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA | | P332 | 71905 | DERBYSHIRE MACHINE & TOOL CO | | 566551PC1T047 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY STYLE | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK, FLAT | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH | | STEM MOVEMENT DIRECTION | DESCENDING | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | EXPOSED SPRING | | FACE TO FACE DISTANCE | 12.500 INCHES NOMINAL | | END CONNECTION QUANTITY | 2 | | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END FLANGE SHAPE STYLE | ROUND W/O BOLT HOLES | | FIRST END FLANGE OUTSIDE DIAMETER | 6.125 INCHES NOMINAL | | FIRST END FLANGE THICKNESS | 0.625 INCHES NOMINAL | | SPRINKLER SYSTEM FOR WHICH DESIGNED | DRY PIPE | | MEDIA FOR WHICH DESIGNED | WATER, SALT | | RENEWABLE SEAT RING TYPE | BONDED | | STEM MATERIAL | NICKEL ALLOY | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | VALVE OPERATION METHOD | PISTON | | FURNISHED ITEMS | EMERGENCY MANUAL OPERATING DEVICE |
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