Used in a wide variety of applications for petroleum handling, chemical processing, dry bulk handling, agricultural, and water, etc. Material : Aluminium Alloy Sizes: 1/2?3/4?1?1-1/4?1-1/2?2?2-1/2?3?4?5?6? Standard: DIN EN 14420-7-2005 Cast method available : Gravity Cast, Sand Cast Gasket : Nitrile rubber Processing : CNC machining Feature : (1) Precisely machined for accurate fit ,join fast and save effort. (2)Recess holds gasket firmly in place assuring proper placement . (3)Smooth face of groove and great resistance to vibration . (4) Working pressure is 1.6Mpa and strength test pressure is 2.4Mpa