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National Stock Number:
4820-01-575-3403
Federal Supply Class:
4820
National Item Identification Number:
015753403
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.
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Manufacturer Information:
| F09-0074C-13TS | 57574 | VELAN VALVE CORP. | | P014-731360-G01 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A351 GR. CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 2.500 INCHES | | FACE TO FACE DISTANCE | 8.500 INCHES | | MAXIMUM OPERATING TEMP | 775.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC OR | | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.000 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.687 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL |
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