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National Stock Number:
4820-01-470-8153
Federal Supply Class:
4820
National Item Identification Number:
014708153
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:
| 7340-074 | 57574 | VELAN VALVE CORP. | | B10-1084B-02TS,P332964G1 IT 16 | 57574 | VELAN VALVE CORP. | | P3-32964-G01 ITEM 16 | 57574 | VELAN VALVE CORP. |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDLE | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A479, CLASS 2 ASSN STD SINGLE MATERIAL RESPONSE STEM | | MATERIAL | GRAPHITE PACKING | | MATERIAL | STEEL COMP 410 STEM | | MATERIAL | STEEL UNS K03504 BODY | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES ALL ENDS | | SPECIAL FEATURES | TRIM MAT'L FOR WEDGE/DISC AND SEATING SURFACE - STELLITE 6 (COBALT COMP 6); TRIM MAT'L FOR STEM - 13 CR (410); C/W GEAR OPERATOR | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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