Christmas tree

The fittings gushing for oil and gas wells are intended for sealing of the mouth of wells, control and regulation of the mode of their operation, and also for carrying out various technological operations on the working pressure 14, 21, 35, 70, 105 MPas (2000, 3000, 5000, 10000, 15000psi). It is made the AF type - with suspension of a lift column in a muftovy suspension bracket, the AFK type - with suspension of a lift column in a translated flange, the AFA type - with the additional pipe head providing a two-row concentric suspension bracket of lifting pipes and also as with the duplicating latches and without them on lateral withdrawal of a fir-tree and a pipe head.

Key parameters of fittings gushing are specified in tables 1 and 2.

Class of materials of case group and elements of locking bodies of latches on special 6A API.

Temperature of a working environment to +121os. Ambient temperature from minus 60 ° C to +40os. The equipment which is let out according to the specification 6A API on a temperature class from L (-46oC to +82os) to V (+2os to +121os).