4820-01-279-4558 VALVE,GLOBE Index 4820-01-279-4560 VALVE,CHECK

National Stock Number:
4820-01-279-4559

Federal Supply Class:
4820

National Item Identification Number:
012794559

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:
B1221E-6IN30263PIMA VALVE, LLC
FIG NO B-1221-E SZ 6 IN30263PIMA VALVE, LLC


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER11.750 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEFLANGE ALL ENDS
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE14.000 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 OR COPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 922 OR COPPER ALLOY 836 FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY 400 SEAT
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL OUTSIDE DIAMETER11.000 INCHES ALL ENDS
NOMINAL THICKNESS0.813 INCHES ALL ENDS
SPECIAL FEATURESMONEL TRIM
VALVE OPERATION METHODMANUAL
VALVE SIZE6.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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