Premium connection, API5CT, TQ, SERVICE AND SOLUTION, OCTG
TQ
In order to provide service in tough application surroundings,
SWS supplies optimal performance and premium connections, which are widely used by our customers in South-East, South America and Africa.
Our premium connections can greatly improve the usage span life and save costs for the end user.
TP-CQ｜2-3/8"~13-5/8"
Structure Features
--High performance gas-tight premium connection for casting and tubing, ISO 13679 CALIV approved.
--Excellent gas seal-ability under combined load
--Easy stabbing, No cross threading
--Superior Anti-galling performance
--Easy repairing
--Suitable for low alloy & carbon steel pipe
Modified Buttress Thread
--Taper=1:16
--TBG: 2-3/8in~2-7/8in: 8T.P.I. 3-1/2in~4-1/2in: 6T.P.I.
--CSG: Sin~13-5/8:5T.P.I.
--Meta-Metal Seal
--Seal Taper: TBG: 1:1.732 CSG: 1.10,1.6,1.3
--Reverse angle torque shoulder
Performances
Threaded Connection
--mproved Buttress thread with a taper of 1:16.
The clearance at the top of the thread crests minimize thread galling and avoid the tapping of compound inside the threads.
Metal-to-Metal Seal
--Metal-to-metal seal surface can provide enough contact length and pressure.
The seal system offers excellent gas-tight sealing, even under the most combined loads.
Reverse Angle Torque Shoulder
--The reverse angle torque shoulder provides a positive torque stop, which allows accurate power tight make-up and minimizes hoop stresses in the connection strength.
Streamlined Internal Profile
--A pin ID chamfer, tight tolerances on the coupling center combined with a long shoulder will minimize turbulence and energy loss.
Coupling Design
--Joint efficiency is more than 100% and coupling critical section is greater than pipe body section.
Connection Low Stress Design
--Connection low stress design ensures more safe under corrosive environment.
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