... PSI 3.Size:1/8"--2" 4.Connection:Union Tube Parts, Bulkhead Union,Tube fitting1.Material:stainless steel 304 ,316 2 ... ,AN,PT,RP,ISO and etc.6.Applicable medium:oil,gas,water or other medium;7. Place of origin:Zhejiang,China ... ;3)No torque is transmitted to tubing during installation. Tube Parts, Bulkhead Union