group nameDownhole Tools
Min Order1 piece
update timeMon, 08 Apr 2013 00:31:16 GMT
Processing Type Casting
Machine Type Drilling Equipment
Type Kelly cock
Use Well Drilling
Certification API
Material alloy steel
Min Order1 piece
Kelly valves
It is one of effective tools for preventation form blowout. The valve uses a hexagon socket on the operating stem and has positive stops in the open and closed positions.
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