4210-00-288-6872 VALVE,CONTROL,AUTOMATIC SPRINKLE Index 4240-00-288-6875 RESPIRATOR OUTFIT

National Stock Number:
4210-00-288-6873

Federal Supply Class:
4210

National Item Identification Number:
002886873

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:
S4824-317601980064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
END CONNECTION QUANTITY2
BODY MATERIALCOPPER ALLOY 932
BODY STYLESTRAIGHT THRU
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
FURNISHED ITEMSCAP AND CHAIN AND EMERGENCY OPENING DEVICE AND TEST ATTACHMENT
FACE TO FACE DISTANCE11.500 INCHES NOMINAL
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER5.562 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLEROUND W/O BOLT HOLES
FIRST END FLANGE THICKNESS0.562 INCHES NOMINAL
FIRST END STYLE DESIGNATORPLAIN
FLOW CONTROL DEVICEDISK, FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GRADE 6 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MEDIA FOR WHICH DESIGNEDWATER, SALT
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM
RENEWABLE SEAT RING TYPERETAINING SCREW
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VALVE OPERATION METHODPISTON
SPRINKLER SYSTEM FOR WHICH DESIGNEDDRY PIPE
STEM MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405
STEM MOVEMENT DIRECTIONASCENDING
TEMP RATING150.0 CELSIUS


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