6530-00-262-7054 DRAPE,EXAMINATION Index 4210-00-262-7062 VALVE,CONTROL,AUTOMATIC SPRINKLE

National Stock Number:
4210-00-262-7061

Federal Supply Class:
4210

National Item Identification Number:
002627061

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:
CA68S4824-10680064NAVAL SHIP SYSTEMS COMMAND
NC127475144JENKINS BROS


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 DISTANCE10.000 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER5.500 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.562 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY8
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER6.625 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END FLANGE THICKNESS0.500 INCHES NOMINAL
FIRST END STYLE DESIGNATORPLAIN
FLOW CONTROL DEVICEDISK, FLAT
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM
MEDIA FOR WHICH DESIGNEDWATER, FRESH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY VALVE SIZE 3 INCH
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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