Technical data:

• Stainless-steel penstock, sealing on four sides, for channel mounting. Suitable for use in sewers and in  waste-water treatment plants.
• Tightness: max. 1% (on seating pressure) and max. 5% (off seating pressure) of leakage rate acc. to DIN 19569 Part 4 in installed state.
• Frame: Stainless steel 1.4301
• Sealing system: Waste water resistant & UV-resistant EPDM.
• Knife: Stainless steel 1.4301.
• Stem and stem protection tube: Stainless steel 1.4301.
• Stem nut: Zinc-free bronze (waste water resistant).
• Corrosion protection.
• All stainless steel parts: Dip pickled and passivated.