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National Stock Number:
4210-00-288-6861
Federal Supply Class:
4210
National Item Identification Number:
002886861
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:
| 2247F | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | STRAIGHT THRU | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | EXPOSED SPRING | | FURNISHED ITEMS | EMERGENCY MANUAL OPERATING DEVICE | | FACE TO FACE DISTANCE | 24.000 INCHES NOMINAL | | FIRST END BOLT HOLE QUANTITY | 14 | | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE | | FIRST END BOLT CIRCLE DIAMETER | 11.062 INCHES NOMINAL | | FIRST END BOLT HOLE DIAMETER | 0.625 INCHES NOMINAL | | FIRST END FLANGE OUTSIDE DIAMETER | 12.375 INCHES NOMINAL | | FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES | | FIRST END FLANGE THICKNESS | 1.313 INCHES NOMINAL | | 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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