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


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