Oilfield Wellhead Adjustable Throttle Choke Valve API 6A
API 6A Oilfield Wellhead Adjustable Throttle Choke Valve Product Introduction . Choke valve is a main component of Christmas tree, is design to control production rate of the oil well, with working pressure up to 15000psi. Choke valves can be classified as follows: adjustable choke …
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