Features: 1. Integral Pup Joint could be used in high pressure discharge line, input line, temporary flow line, well testing and other transmission lines. 2. It can meet the demand of CO2, H2S and other sour gas operating environment. 3. Common material of Integral Flow Line Pipe is alloy steel, ANSI 4135, 4130, 35CrMo. 4. We can provide standard length and custom length according to your working condition. Specifications: Rated Working Pressure: 69 ~ 138 MPa (10000 ~ 20000 psi) Nominal Size: 1 ~ 4 in Service: Standard, Sour Gas Application: Fracturing, Cementing, Acidizing, Testing Lines