Couplings
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SERI’s coupling manufacturing deprtment produces coupling & tubing coupling which are pointed by Tianjin Pipe Corporation (TPCO) as auxilary products for its petroleum casing and tubing connections.
The products are as follows: coupling with long-round thread, coupling with short-round thread, coupling with buttress thread and coupling with special thread. The range of type NU, EU of tubing is 2-3/8″ to 4-1/2″, while the range of casing couplings is 4-1/2″ to 20″, in addition, also produces reducing coupling & combined coupling. |
Specifications
Casing Coupling Series Product List
Tubiging Coupling Series Product List
