(1) Material of Body: Stainless steel 316 or stainless steel 304; (2) Size: 1/2"- 6"; (3) Cam levers : Stainless Steel cam levers or Brass cam levers; (4) Pins, Rings and Safety clips : steel plated pins, steel plated rings and Safety clips; (5) Sealings : NBR, EPDM, Viton, PTFE(PTFE envelope gasket), silicon; (6) Threads : NPT or BSP ,or machining the thread according to your requirement; (7) Application: oil,petroleum,chemical,water,gas,foodstuff,irrigation,papermaking,and beer,ect.