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National Stock Number:
4820-01-423-2002
Federal Supply Class:
4820
National Item Identification Number:
014232002
Description:
VALVE,GLOBE-CHECK
Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION DESIGNED FOR PRECISE, ADJUSTABLE CONTROL OF THE FLOW IN ONE DIRECTION AND FREE FLOW IN THE OPPOSITE DIRECTION. PRECISE CONTROL IS PROVIDED BY A THREADED NEEDLE OR STEM WHICH IS LIFTED PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. FREE FLOW IS PROVIDED BY AN INTERNAL BY-PASS CHECK VALVE WHICH OPERATES INDEPENDENTLY OF THE NEEDLE OR STEM.
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Manufacturer Information:
| 28S-FS2 SC .25IN | 61661 | NEWMANS INC NEW JERSEY DIV | | A0831-01 | 61661 | NEWMANS INC NEW JERSEY DIV |
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Techincal Specification:
| MATERIAL | STEEL BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | GRAPHITE PACKING | | STEEL CORROSION RESISTING STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY | | ASTMA743 CA40 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | ASTMA276 410 ASSN STD SINGLE MATERIAL RESPONSE STEM | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | BUTT WELD TUBE ALL ENDS | | CONNECTION STYLE | SOCKET (TUBE) ALL ENDS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES ALL ENDS | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | FEATURES PROVIDED | BONNET PACKING |
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