Optional cone and straight seat types
Optional metal sealing and non-metallic sealing types
Thread with backpressure valve
Various API petroleum threads can be selected for upper and lower threads, as well as special buckles such as FOX, TM, VAM, etc
There are various forms (installations) that can penetrate the underground safety valve control pipeline channel, chemical injection channel, and capillary hole channel
Tel：+86-0517-87221172
Tel：+86-0517-87221123
Email：hzdongjun@hzdjm.com
Addr：No.10, North four, Economic Development Zone Hongze,Jiangsu Province, China
Mobile browsing