4820-01-263-9463 VALVE,GATE Index 4820-01-263-9465 VALVE,CHECK

National Stock Number:
4820-01-263-9464

Federal Supply Class:
4820

National Item Identification Number:
012639464

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:
B-1421-A 2.50IN30263PIMA VALVE, LLC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FIRST CONNECTION FACE TO CENTERLINE DISTANCE4.250 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY AND MANGANESE STEM
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY BODY
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER7.000 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
SECOND CONNECTION FACE TO CENTERLINE DISTANCE4.062 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES; 30263 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE2.500 INCHES


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