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National Stock Number: 4820-01-264-3259
Federal Supply Class: 4820
National Item Identification Number: 012643259
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.
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Manufacturer Information:
| 4.0-72-IHH-3-H | 76588 | CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY | | 4IN-72-I-H-H-3- | 76588 | CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY | | AN-4.0-72-DI-C | 76588 | CORE INDUSTRIES INC. DBA MUELLER STEAM SPECIALTY |
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Techincal Specification:
| MATERIAL | IRON CAST UNS F32800 BODY | | STEEL COMP 316 FLOW CONTROL DEVICE | | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 4.000 INCHES | | FACE TO FACE DISTANCE | 2.875 INCHES | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 6.875 INCHES ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | RENEWABLE SEAT RING TYPE | WELDED | | DISK LOADING METHOD | SPRING | | MOUNTING FACILITY | WAFER | | MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT | | SPECIAL FEATURES | DOUBLE DISK,WAFER TYPE CHECK VALVE |
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