The 1145 series, which are manufactured by Sferaco, are wafer butterfly valves and are integrated with a disc constructed out of stainless steel, an ISO 5211 mounting pad, a long neck for isolation, and a body divided into 2 parts. It also incorporates a PTFE sealing ring that measures 3 mm in thickness that incorporates an elastic gasket that measures 6 mm in thickness and is made out of silicone.
The unit stem has an option to be extended of up to 75 mm.
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)
RANGE :
• - With lever from DN 32 to DN 300
• - Naked stem from DN 350 to DN1400
• - IP65 gear box possible ( Ref. 1197) from DN 32 to DN 1400
• - IP65 Chain gear box ( Ref. 1194) from DN 32 to DN 500
• - On request. stem extension with spécial length ( Rot. 98665 )
• - On request. CF8M stainless Steel handle and bolting Ref. 9831250-9831264