Description
Soft sealing non-return valve with slanted seat to DIN EN 12334
Drinking, tap and wastewater up to 50°C
DN200 – 1200, PN10 – 16
Face-to-face length DIN EN 558-1, basic series 14 (DIN 3202, serie F4)
General information
- Disc geometry with optimum hydraulic flow pattern to ensure low pressure losses
- Wear-resistant, corrosion-resistant and infiltration-proof sealing seat in the body
- Seat in the body with micro finished NiCr stainless steel welded overlay
- Reduced closing and opening time due to slanted seat
- Flange connection dimensions to EN 1092
- Body: ductile cast iron GGG40
- Disc: ductile cast iron GGG40
- Valve shaft: stainless steel grade 1.4021
- Shaft bearings: bronze
- Certificate EN10204 3.1
Corrosion protection
- Body: inside and outside epoxy coated, coating thickness >250 µm, blue RAL 5010
- Disc: epoxy coated
