... Butterfly Valve 2.OEM/ODM services offered 3.Professional Valve Manufacture 4.High quality,reaonable price Aoshang Stainless Steel Sanitary Welding Butterfly ... ISO,IDF2,Material:SUS304,SUS304L,SUS316,SUS316L 3,Size:1"-6",DN10-DN150 Gaskets: EPDM,Silicone,Viton...... Technical Date: Calibre ... ,Max:8bar Pnuematic head torque:40Nm Glossiness Cutting:Ra1.6~3.2um Polishing:Ra0.4~0.8um Handle: Standard ...