Main applications

  • Advanced treatment / 3.stage
  • Bio. treatment / 2.stage
  • Biogas
  • Breweries
  • Building services
  • Drainage
  • Drainage pump stations
  • Food and beverages
  • Industrial waste water
  • Industry engineering
  • Mech. treatment / 1.stage
  • Municipal waste water
  • Sewage treatment plants
  • Surface drainage
  • Suspended solids treatment
  • Tank cleaning
  • Waste water
  • Waste water transport
  • Water

Technical data

T max 120 °C
DN max 1,200
PN max 10


Knife gate valve to DIN/EN with wafer-type single-piece or two-piece body made of grey cast iron, bi-directional, with gland packing, non-rising stem, corrosion-protected by epoxy coating.


Industrial plants, waste water engineering, process engineering and food industry. For water, waste water and solids-laden fluids. Other fluids on request.

Further technical information about HERA-BD

Overview of technical data

T -10 – 120 (°C)
DN 50 – 1,200
PN 10
Actuator options available ex works Electric actuator to customer's choice, Pneumatic actuator to customer's choice
Body design Body with threaded pocket holes
Dimension standard EN 558-1/20 (EHEMALS K1)
Handwheel movememt Non-rising
Valve disc/plug material Soft seat
Threaded-end design Wafer-type design
Stem sealing Gland packing
Body material (EN standard) GJS-400-15
Main applications Industry and process engineering, Waste water / sewage
Body material Nodular cast iron
Actuator position feedback No
Body/bonnet seal element None (single-piece body)