The valve is designed and manufactured according to API 6A and features excellent anti-sulfur and corrosion resistance.It can be used as componet of oil/gas wellhead assembly and various manifolds,and can be remotely operated by driller,or it can also be operated manually be controlling nut handle.The gate valve can only be used for "flow through" or "flow cutoff"
Jining Donghong Machinery Co., Ltd
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API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas