1.Control Panel superior design Â
Tubing and casing pup joints are machined according to the latest version of API SPEC 5CT. The steel grade includes J55,K55,N80-1,N80Q,L80-1,P110,etc. There are two types of thread widely used in tubing pup joint namely Non-upset thread(NU), External- upset thread(EU);
Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC).
Our testing and inspection method system is complete, using a whole set of thread instrument to inspect taper, pitch, tooth, height, tooth type,etc. The products have passed the identification of china petroleum pipeline. Quality supervision ,inspection and testing center and gained the unanimous praise from the customers.
Api 5Ct Casing Pup Joint,Casing Pipe,Pup Joint Casing,Oil Tubing Coupling Casing Henan Dongfanglong Machine Manufacture Co., Ltd , https://www.dfloilm.com
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[Performance characteristics]
2.digital display, welding current is adjustable precision 1A
3.arc current can be individually adjusted, has excellent arc start performance
4.thrust current can be adjusted
5. with a variety of security features
6. temperature protection, overcurrent protection, short circuit protection, phase loss indication function
7. welder key components of the design of the "three"
8.Small size, light weight, suitable for mobile operation