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National Stock Number:
4820-01-710-3420
Federal Supply Class:
4820
National Item Identification Number:
017103420
Description:
VALVE,BUTTERFLY
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Manufacturer Information:
| 311846-G | 56440 | GLOBE FIRESPRINKLER CORP |
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Techincal Specification:
| FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | MATERIAL | UNABLE TO DECODE | | MAXIMUM OPERATING PRESSURE | UNABLE TO DECODE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | DUCTILE IRON BUTTERFLY VALVES MODEL GLR300W 4 INCHES | | SPECIAL FEATURES | TWO SETS OF FACTORY INSTALLED FORM-C INTERNAL SUPERVISORY SWITCHES MONITORING THE VALVES IN THE NORMALLY OPEN POSITION. THESE SUPERVISORY SWITCHES TRANSFER THEIR ELECTRICAL CONTACTS WITHIN THE FIRST TWO REVOLUTIONS OF THE HANDWHEEL TOWARDS THE CLOSED POSITION; WHEN CLOSING THE BUTTERFLY CONTROL VALVE FOR MAINTENANCE OR INSPECTION WORK, ALWAYS FIRST OBTAIN PERMISSION FROM THE PROPER AUTHORITIES AND NOTIFY ALL PERSONNEL WHO MAY BE AFFECTED. | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.0 INCHES |
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