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National Stock Number:
4820-01-623-0425
Federal Supply Class:
4820
National Item Identification Number:
016230425
Description:
VALVE,BUTTERFLY
Detail:
A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
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Manufacturer Information:
| 1.30 | 6T654 | JOHN W HOCK COMPANY |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | AIR-ACTUATED GATE SYSTEM | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING STEM | | SPECIAL FEATURES | GATE SYSTEM EMPLOYS A BUTTERFLY CHECK VALVE DOWNWIND OF THE MOTOR WHICH IS OPENED BY AIR FLOW FROM FAN ABOVE AND IS CLOSED BY COUNTR WEIGHTS |
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