http://www.ztvalves.com/sanita....ry-valve/sanitary-bu Sanitary Butterfly Valve suppliers Technical parameters Product Name:Stainless Steel Food Grade Sanitary Hygienic Butterfly Valve Valve Body Material:1.4404/1.4301, SS304/SS316L(Forged) Max Working Pressure:10Bar(DN25 to DN10, 8 bar(DN125 to DN15, 5 bar(DN200 to DN30 Surface FinishingRA<0.8 um Surface:CNC machine StandardIN/SMS/RJT/ISO/IDF OptionsGasket: EPDM, silicone or Viton Connection:weld,clamp,thread,weld thread,flange Handle: two-position handle,three-position handle,four-position pull handle,multi-position plastic handle and multi-position stainless ste