... PSI 3.Size:1/8"--2" 4.Type:Tube fitting SS 316 double ferrule union connector tube fitting1.Material:stainless steel ... .Thread Standard:NPT,BSP,BSPT,G,SAE,PT,RP,ISO and etc.6.Applicable medium:oil,gas,water or other medium ... ;2)Easy to install ,disconnect and retighten;3)No torque is transmitted to tubing during installation. SS 316 double ferrule union connector ...