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- Rotary Weir
Rotary Weir
Size: 1000 x 150 mm up to 3500 x 1000 mm, sealing to 4 sides. For mounting with chemical anchor bolts and concrete
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Sealing performance
- 1 % of permissible leakage rate in accordance with AWWA C501(latest revision standard) under seating head conditions.
- 5 % of permissible leakage rate in accordance with AWWA C501(latest revision standard) under off-seating head conditions.
- Steady sealing performance irrespective of water level.
- Fortified EPDM sealing double-acts as strap hinge, avoiding the flush-out of filter/filtration sand.
Installation advantages
- Quick & easy mounting with few chemical anchor bolts and concrete.
Operation advantages
- Maintenance free.
- No loss of filtration sands.
Corrosion resistance
- Maximum corrosion resistance due to stainless steel material, all acid bath cleaned and passivated.
Customisations
- Individual adaptation to special applications on request.
Areas of application
- For water level control or flushing in water works.
Materials
- Frame: stainless steel 304 or 316Ti
- Sliding plate: stainless steel 304 or 316Ti
- Sealing: EPDM, waste water resistant or NBR
- Stem: stainless steel 304 or 316Ti
- Stem nut: GC-CuSn 12, bronze, seawater resistant
- Chemical anchor bolts: stainless steel 316Ti