The swing check valve ensures the protection of pumps or parts of networks against flow inversion.
Applications :
- Pumping stations for water distribution and irrigation (filtered water).
- Drinking water networks and irrigation networks (filtered water).
- Fire protection networks.
Product benefits :
- Low headloss.
- Opening on low differential pressure.
- Stainless steel seat (except DN 40).
- Stainless steel shaft.
- Lubricated bearings.
- Removable bonnet for easy maintenance of the flap seal without removing the check valve from the pipe.
- Horizontal or upward vertical mounting
- Adjustment of the weight along the arm to change the sensitivity of the flap.
Range :
- DN 50 to 300 PFA 10 or 16
- DN 350 to 400 PFA 10
Technical data :
- ISO PN drilled flange to PFA (standards EN 1092-2 and ISO 7005-2)
- Operating temperature: 0°C to + 60°C.
- Maximum speed: 3 m/s for PFA 10 and 4 m/s for PFA 16.
- Tightness: category A in accordance with standard EN 12266-1.
- Face-to-face dimensions to EN 558-1 series 48.
- Version with or without counterweight
Norms and certifications :
- WRAS
Alternatives and options :
- Protective guard for weight-loaded lever and counterweight.
- Shaft protruding on both sides for weight-loaded lever fitting on one or both sides.
- Modification of the orientation of the lever arm in 90° increments, allowing to influence the closing of the flap (function of the check valve position).
- Limint switch (excedpt DN 40)
