Kelly Plug Valve

Suitable for normal drilling conditions.The valve body is made of AISI 4130 alloy steel,heat-treated to 285-341 Brinell hardness and a minimum impact strength value of 42J as per ASTM 370 Charpy V notch,at -10°C surfaces of bodies are treated to enhance mud corrosion resistance and maintenance operations.

This version has been designed for higher H2S concentration.Internal parts are made of corrosion-resistant materials matching the NACE MR0175 standards,fitted in a standard body.Heat-treated to meet both NACE standard and API Spec 7(latest editions).

Honorary Certificate

Our products have been ISO9001 certified and attained API 6A,6D,API 7,7K,and API 16A&16C approvals of American Petroleum Institute.All products are fully designed and manufactured in accordance with API,ANSI,GB(national standards)and SY(industry standards)standards.