4820-01-272-7520 VALVE,CHECK Index 4820-01-272-7522 VALVE,CHECK

National Stock Number:
4820-01-272-7521

Federal Supply Class:
4820

National Item Identification Number:
012727521

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
15-SW-F 3IN DWG 789279342WILLIAM E WILLIAMS VALVE CORP
15SW-F 3IN79342WILLIAM E WILLIAMS VALVE CORP
FP-2T-01-005 IT65038RED FOX INDUSTRIES ST
789279342WILLIAM E WILLIAMS VALVE CORP
7892 3IN79342WILLIAM E WILLIAMS VALVE CORP
B-15S-W-3IN79342WILLIAM E WILLIAMS VALVE CORP


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER6.000 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.563 INCHES ALL ENDS
BOLT HOLE QUANTITY6 ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
DISK LOADING METHODSPRING
FACE TO FACE DISTANCE9.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY SEAT
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER7.500 INCHES ALL ENDS
NOMINAL THICKNESS0.625 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
VALVE SIZE3.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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