This valve has a stem extension measuring 75 mm in length, and a square lever that measures 30x30 mm for a special key. It is a wafer type valve characterized by its long neck for isolation. The DN 40-300 1147 series has a full crossing stem and removable nitrile carboxyle seat. It is equipped with a 9-position lever with a locking device up to DN200, and an epoxy-coated ductile iron disc. The valve is made up of stainless steel disc up to DN100, with 250-300 microns thickness in a rilsan-coated body color RAL 5024.
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)