Features: 1.Quick connation 2.Interchangeable completely between adapter and coupler 3.Pressure-proof hydraulic pressure test 300 PSI for up to 4" and 200 PSI for 5" and up Materials: 1.Stainless steel (investment cast)1/2"-6" 2.Packing: BUNA-N(NBR) (or TEFLON, VITON on request) Specifications: Our couplings conform to MIL-AA-57326(MIL-C-27487) and are interchangeable with other
products which meet this specification Size: 1/8"-6" Threads: 1.ANSI B 1.20.1(NPT) 2.DIN 2999/259 3.BSP 4.BS 21(PT)