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易换式油嘴易换式油嘴的用途,是对油井开采制度实行有级调节。油嘴(图13)的壳体1通过法兰螺栓装在采油树的利得管线上。在壳体搪孔内嵌装两 个用碟形弹簧4同油嘴套2压紧的油嘴套座3。在油嘴套的锥孔 中,压入所需孔径的喷嘴5。喷嘴和油嘴套之间有一个橡胶圈, 用以加强两者的密封可靠性。
Easy to change the type of nozzle Easy to change the purpose of the nozzle, the oil well drilling system implementation level adjustment. The housing 1 of the nipple (FIG. 13) is bolted to the production line of the Christmas tree by a flange bolt. Bored in the shell bore with two disc springs 4 with the nozzle sleeve 2 squeeze nipple socket 3. In the conical bore of the nipple, press the nozzle 5 of the desired bore. There is a rubber ring between the nozzle and the nipple to enhance the seal reliability.