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National Stock Number:
4820-01-251-7440
Federal Supply Class:
4820
National Item Identification Number:
012517440
Description:
VALVE,LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST 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. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.
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Manufacturer Information:
| FIG NO. 7415WFS-3 | 61661 | NEWMANS INC NEW JERSEY DIV | | MC-045-D | 61661 | NEWMANS INC NEW JERSEY DIV | | MC-045-D 5.00IN | 61661 | NEWMANS INC NEW JERSEY DIV | | MIL-V-18436E,TY | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL UNS K03504 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | ANGLE | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 3750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 800.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 5.000 INCHES ALL ENDS | | MOUNTING POSITION | VERTICAL | | BONNET TYPE | PACKING RETAINING |
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