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National Stock Number:
4820-01-564-9080
Federal Supply Class:
4820
National Item Identification Number:
015649080
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:
| 8940K15 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION STYLE | PLAIN (TUBE) SECOND END | | OPERATING PRESSURE | 145.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL DOCUMENT AND CLASSIFICATION | POLYBUTYLENE TEREPHTHALATE (PBT) MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC OVERALL | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.250 INCHES FIRST END | | SPECIAL FEATURES | MFGR CALLS THIS A TAMPER-RESISTANT AIR FLOW CONTROL VALVE AND A CYLINDER SPEED CONTROL; CONNECTIONS: INLET 1/4 INCH MALE NPT THREADS TO PUSH-TO-CONNECT 1/4 INCH TUBE OUTLET; REQUIRES ADJUSTMENT TOOL P/N 8940K33 | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END |
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