Description
Resilient-seated, centric butterfly valve to DIN-EN 593, Lug-type with threaded holes
Shut-off valve for drinking and service water up to 100°C
DN40 – 800, PN6 – 10 – 16
Face-to-face length DIN EN 558-1, basic series 20 (DIN 3202, series K1)
General information
- Replaceable rubber sleeve with integrated seal for functionally reliable use for flared flanges, welding flanges, PE flanges as well as loose flanges with V-collar
- Stable sealing seat due to liner with vulcanized support ring
- For bolting between pipe flanges
- As end-of-valve for full differential pressure
- Tight in both flow directions
- Anti-blowout shafts
- Tightness to DIN EN 12 266-1, leak-rate A
- Actuator flange connection acc. to ISO 5211
- Body: cast iron GG25
- Disc: ductile cast iron GGG50
- Sleeve: EPDM
- Valve shaft: stainless steel 1.4021
- Maintenance-free shaft bearings
- Certificate EN10204 3.1
Corrosion protection
- Body: internally and externally epoxy coated, coating thickness >250 µm, blue RAL 5010
- Disc: epoxy coated
