4820-01-435-1018 BALL,VALVE,PORTED Index 4320-01-435-1020 RING,WEARING

National Stock Number:
4810-01-435-1019

Federal Supply Class:
4810

National Item Identification Number:
014351019

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.


Manufacturer Information:
B13551GHH325-8IN11859HUNT VALVE COMPANY, INC.
B13551GHH325-8IN30263PIMA VALVE, LLC
N-NB13551-HH32530263PIMA VALVE, LLC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER11.062 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.688 INCHES ALL ENDS
BOLT HOLE QUANTITY14 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE21.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288, COMP B FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288, COMP E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
PROPRIETARY CHARACTERISTICSPACS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER12.375 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
VALVE SIZE8.500 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
SUPPLEMENTARY FEATURESVALVE OPERATION METHOD: HYDRAULIC


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