Working Pressure: 1379bar (20000psig), 

Operating Temperature Range: -252°C to 649°C (-423°F to 1200°F), 

Used for connecting T20 series seamless straight tubing for seamless straight tubing with outside diameters of 1/4in, 3/8in, 9/16in, 3/4in, and 1in, 

Made of high strength 316 stainless steel.