Butterfly valve 1121 series

leverisolationfor water

The 1121 series wafer butterfly valve is engineered with extended neck dimension for special isolation purposes. It utilizes ISO 5211 mounting pad, and ISO PN 10/16 and ISO PN20 ANSI150 flange designs. This assembly is integrated with complete crossing stem, dual polytetrafluoroethylene gasket, and vulcanized nitrile butadiene rubber elastic ring. A lever fitting is employed with a locking scheme that allows 10 distinct alignment. SPECIFICATIONS ; • - Long neck for isolation • - ISO 5211 mounting pad • - Wafer type • - Between flanges PN6 from DN40 to 150 and for DN300. PN10/16 from DN32 to 600. Class 150 (PN20) from DN40 to 600 • - Between flanges JIS10K from DN40 to 300 • - Between flanges PN10 from DN 700 to DN1200 • - Full Crossing stem up to DN600 • - With 10 positions lever and locking device up to DN150 • - Double PTFE seal on stem up to DN600 • - Stainless Steel dise • - Epoxy painting RAL003 80 microns thickness • - Vulcanised EPDM seat USE: • - Cold and hot water. sea water. demineralized water. alcohol. milk of lime, mercury, alcalins. hydroxid of soda • - Min and max Température Ts : - 15°C to + 110°C ( 130°C temporanly ) • - Max Pressure Ps : 16 bars up to DN300.10 bars over