Concentric double flanged butterfly valve from DN80 to DN1600

Concentric double flanged butterfly valve from DN80 to DN1600 Different materials and coatings used for butterfly valves and liners can have a large response to many situations in the industrial area of drinking water and other fluids as the raw water, sea water, etc.
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Products Details

Concentric double flanged butterfly valve from DN80 to DN1600 The concentric double flanged butterfly valves series OK20 have been designed, generally, for industrial applications where dimensional problems are important. Their bolting design, on both sides, allows the dismantling of only one part of the installation while maintaining the other one under pressure and operational. They also facilitate the assemblies requiring a temporary isolation of some parts of the network in settlements such as pumping stations, warehouses, naval installations, etc.

Field of use

Different materials and coatings used for butterfly valves and liners can have a large response to many situations in the industrial area of drinking water and other fluids as the raw water, sea water, etc. It provides an effective and reliable solution in conditions of work as may be pumping stations, water treatment, desalination, irrigation, etc.

Range

Concentric double flanged butterfly valve from DN80 to DN1600 (consult us for other diameters). - Bodies: flanged type in ductile iron EN GJS-400-15 + epoxy powder 150 microns blue RAL 5005 - Maximum working pressure:
  • 16 bar
  • PFA 25 bar, consult us
- Flange dimensions:
  • PN10 and 16
  • Consult us for PN25
- Discs:
  • Ductile iron EN GJS-400-15 + Epoxy coating in black 150 microns, with ACS certificate
  • CF8M Stainless Steel
  • Contact us for other materials
- Sealing materials in the body type EPDM with ACS certificate. (please consult us for other types) - Operation:
  • Hand lever type MN : DN80-200mm
  • Hand lever type MR : DN200-300mm
  • Gear-box + handwheel : DN80-1600mm
  • Motorized: - Electrical motor: Auma, Bernard, … - Pneumatic actuators, …
Given our wide range of materials, coatings and available drives, we remain at your disposal to look for a solution adapted to your requirements.

References

Codification
  • Position 6 (disc) : A = St Steel CF8M, B = Ductile Iron + black epoxy
  • Position 7 (actuator) : L = hand lever type MN, B = gearbox with handwheel, M = motorized
  • Position 10 (Elastomer) : E=EPDM ACS, W=EPDM DVGW, V=EPDM vulcanized, T=EPDM HT, N=Nitrile, F=Viton
C = distance between flanges   Concentric double flanged butterfly valve in stainless steel Concentric double flanged butterfly valve from DN80 to DN1600

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