1. Specifications:
Standard Reference: API spec 5CT
Size: From 2 3/8" to 4-1/2''
Grade: J55, K55, N80-1, N80-Q, L80, P110 N80
Type: NU, EU
Thread Type: Tubing round thread. Dimensions and their tolerances of tubing round-thread as per API spec 5B
Surface treatment: Coating
Protection of Thread: Thread protector
Packing: By wooden case, wooden pallet, or by the requirements of customers

2. Abstract:
EUE Pup joint is machined from integral bars of chromium molybdenum alloy steel heat treated to drill collar specifications. 
Besides, all our tool joint are machined by CNC lathes, all threads are copper-plated or phosphates, coated with lubricant and provided with thread protectors.
All tool joints should be inspected at full length by fluorescence magnetic particle and ultrasonic method.

3. Features:
1) Easy to connect and disassemble, not need special tool to connect.
2) High pressure resistant
3) High airproof ability, keep the pipe clean and extend the pipe service life.
4) High temperature resistant, can resistant high temperature up to 90-100
5) Long service life, more durable than any other material fittings
6) Wide range of application can be used to connect PEX pipes/PERT pipes/PAP composite pipes and so on.

4. Applications:
It is widely used in water supply and drainage, recycled water, air conditioning and heating, ship, water pump, and compressor, etc. They are low cost vibration and deflection absorption in fluid conveyance pipes.