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National Stock Number:
4820-01-293-1356
Federal Supply Class:
4820
National Item Identification Number:
012931356
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:
| 31FFS-2 1 1/4IN | 61661 | NEWMANS INC NEW JERSEY DIV |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 3.500 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | FACE TO FACE DISTANCE | 5.500 INCHES | | FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL BODY | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 4.625 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.625 INCHES ALL ENDS | | OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | RAISED FACE NOMINAL DIAMETER | 2.500 INCHES ALL ENDS | | RAISED FACE NOMINAL HEIGHT | 0.062 INCHES ALL ENDS | | SPECIAL FEATURES | SWING CHECK TYPE | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.250 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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