Butterfly valve 1155 series

leverfor acidswafer

The 1155 series comprises units with long necks for isolation cases, an ISO 52211 certified mounting pad and wafer-type products with two parts for the stem and two for the body. These have a PTFE seat that measures 3mm in thickness as well as a silicon gasket that has a thickness of 6mm. The disc is made of stainless steel and PTFE-coated. Using the locking device, customers can adjust the lever to nine positions. This has an stem extension that is optional measuring 75mm. Another option is the square lever which has dimensions of 30 x 30mm and comes with an optional special key. SPECIFICATIONS ; • - Long neck for isolation • - ISO 5211 mounting pad • - Wafer type • - Between flanges PN1Û/16 from DN32/40 to 400 and Class 150 (PN20) from DN40 to 400 (over on request ) • - Betwwen flanges PN10 from DN45Û to DN 1400 • - Full Crossing stem • - Removable EPDM seat • - Stainless Steel dise up to DN100 • - Ductile iron dise with black nlsan coating +/- 300 p over DN100 • - 9 positions lever with locking devee up to DN200 . stop in ail positions but non lockable from DN250 to 300 • - Rilsan coated body color RAL 5024.250-300 microns thickness • - Stem extension 75 mm length ( option ) • - Square lever 30x30 mm for spécial key ( option ) USE: • - Fluids : Cold and hot water. drinkable water • - Min and max Température Ts : From -20°C to + 110°C • - Max Pressure Ps : 16 bars up to DN300,10 bars over (see graphs page 5)