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:
BODY STYLESTRAIGHT THRU
BODY MATERIALCOPPER ALLOY 932
FLOW CONTROL DEVICEDISK, FLAT
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH
TEMP RATING150.0 DEG CELSIUS
STEM MOVEMENT DIRECTIONASCENDING
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SPRING
FACE TO FACE DISTANCE11.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GRADE 6 MIL SPEC SINGLE MATERIAL RESPONSE
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END STYLE DESIGNATORPLAIN
FIRST END FLANGE SHAPE STYLEROUND W/O BOLT HOLES
FIRST END FLANGE OUTSIDE DIAMETER5.562 INCHES NOMINAL
FIRST END FLANGE THICKNESS0.562 INCHES NOMINAL
SPRINKLER SYSTEM FOR WHICH DESIGNEDDRY PIPE
MEDIA FOR WHICH DESIGNEDWATER, SALT
RENEWABLE SEAT RING TYPERETAINING SCREW
STEM MATERIALNICKEL ALLOY 400 OR
NICKEL ALLOY R-405
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VALVE OPERATION METHODPISTON
FURNISHED ITEMSCAP AND CHAIN AND
EMERGENCY OPENING DEVICE AND
TEST ATTACHMENT


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