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National Stock Number:
4820-01-185-4303
Federal Supply Class:
4820
National Item Identification Number:
011854303
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:
| NS-3981 ASSEMBLY E | 11836 | NATIONAL OILWELL |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 6.000 INCHES | | FACE TO FACE DISTANCE | 18.000 INCHES | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 10.875 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.938 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 14 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.812 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 9.375 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL |
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