Soft Seated Butterfly Valves
Butterfly valves from our range Flowrates H2O are versatile and bring a lot of flexibility and securness to operate in various industries.
The reinforced seat technologies suit oerfectly to many processes, from cold to hot water, drinkable water, sea water, alcohol, sodium hydroxide, demineralized water, mercury and alkalis.
- Compatible with explosive atmosphere, ATEX Zone 1&21 and Zone 2&22 on request.
Manual actuating possible with stainless steel handle, gearbox or chain gearbox and stem extension.
Thanks to the ISO 5211 plate and the square stem, an actuator can be installed directly on the valve up to DN400.
- ISO 5211 mounting pad
- Wafer type / Lugg / Double flanged design up to DN1200
- Between flanges PN10/16
- Full crossing stem
- 9 positions lever with locking device up to DN200 , stop in all 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 30×30 mm for special key ( option )
Technical Characteristics of the Elastomer-Lined Butterfly Valve
Size : DN32/40 to DN1400
Body material : Ductile Iron
Disc materials : Ductile Iron / Coated with Rilsan / Stainless steel / Aluminium Bronze / Duplex …
Seat materials : EPDM / Heat EPDM / NBR / NBR Carboxyle / Silicone / Food approved Silicone / Hypalon / FKM / PTFE
Connection : Between flanges PN10/16 and Class 150 (PN20)
Min Temperature : -20°C
Max Temperature : +120°C
Max Pressure : 10 bars / 16 bars / 25 bars
Specifications : Long neck for isolation
Connection: Wafer type / Lug / Brides en U
Full crossing stem
ISO 5211 direct mounting pad
Materials : Ductile iron GJS 500-7 body, ACS EPDM seat
