1270-00-278-9962 DETECTOR ASSEMBLY,V Index 4210-00-278-9967 VALVE,CONTROL,AUTOMATIC SPRINKLE

National Stock Number:
4210-00-278-9964

Federal Supply Class:
4210

National Item Identification Number:
002789964

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.


Manufacturer Information:
2352F04537ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA
2744F04537ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA
35526580064NAVAL SHIP SYSTEMS COMMAND
CV33S4803-33641480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEEXPOSED SPRING
FURNISHED ITEMSTEST ATTACHMENT AND EMERGENCY MANUAL OPERATING DEVICE
FACE TO FACE DISTANCE21.500 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY12
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END BOLT CIRCLE DIAMETER10.000 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.625 INCHES NOMINAL
FIRST END FLANGE OUTSIDE DIAMETER11.312 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS1.250 INCHES NOMINAL
FIRST END STYLE DESIGNATORPLAIN
FLOW CONTROL DEVICEDISK, FLAT
MEDIA FOR WHICH DESIGNEDWATER, FRESH
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM
SPECIAL FEATURES12-5/8 INCH-11 TAPPED HOLES IN EACH MOUNTING FLANGE
RENEWABLE SEAT RING TYPEBONDED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VALVE OPERATION METHODPISTON
SPRINKLER SYSTEM FOR WHICH DESIGNEDDRY PIPE
STEM MATERIALNICKEL ALLOY
STEM MOVEMENT DIRECTIONDESCENDING


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