1. KY65-21 Type oil extraction wellhead equipment have since spray wellhead equipment sum draw oil wellhead equipment two kinds of types. Ases oil wellhead since spray ability and mouth of a well pressure do not be more than 25MPa, Can adopt since spray wellhead equipment; Ases oil well have not since spray ability, Needs use draw oil engine oil extraction, Can adopt draw oil well bead equipment. Should wellhead equipment at oil well since spray ability compare strong time, Is since spray wellhead equipment, Since spray ability gradually lowliness time at oil well, Only need replacing light a pole sealer and then be OK very convenient will since spray mouth of a well change to draw oil well.

2. KY65-35 wellhead equipment and christmas tree

This wellhead equipment join style for flange join, Possesses installation convenience, Tear open install rapidly, Seal up dependable, Valve's service life long feature.