Wafer

Production Range:

DN 50-1200 mm

Flange Drilling:

Multiflange system from DN-50 (2") to DN-300 (12") allowing with only one model of valve, the assembly between PN-6, PN-10, PN-16, ASME-B 16.5 125/150 Lbs and B.S. 10-D/E flanges. From DN-350 (14") flanges are assembled according to PN-10, PN-16, ASME B 16.5 150 Lbs or ASME B 16.47 A-SERIES 150 Lbs, BS, AWWA, and any other standard on request.

Standard Maximum working pressure:

16 bar (DN 50-300) and 10 bar (DN 350-2000). For higher working pressures, ask our Technical Department.

Temperature Range:

– 40ºC to +180ºC (depending on liners and coatings).

Our design includes four centring holes to allow a perfect alignment and quick fitting between flanges, up to DN-500 mm (20"). From DN-600 mm (24") onwards we include tapped holes on both sides of the body as well as the four centring holes.

As this is a pattern to be fitted between flanges, the mechanical stress of the pipe is transmitted to the valve only by compression on the body and there is no mechanical tension stress which might create watertightness problems. (It is necessary to take into consideration that DN-600 mm - 24" bodies and larger have four tapped holes on both.

  • Applications:

  • Water treatment and distribution
  • Chemical industry
  • Petrochemical plants
  • Power/ Hydro electrical/ Nuclear plants
  • Paper and pulp industry
  • Siderurgia
  • Shipbuilding
  • Gas distribution
  • General services

LIST OF PLANNING DOCUMENTATION

WAFER TYPE. 100 SERIES
DRAWING NºD.N.ACTUATORREFERENCEArchive
W-00150-300Bare shaftS.100-E/01
W-002350-500Bare shaftS.100-E/02
W-003600/700/1200Bare shaftS.100-E/03 S20
W-004650/750/800/900/1000Bare shaftS.100-E/04
W-0051300-2000Bare ShaftS.100-E/05
W-00650-200LeverS.100-P/06
W-007250/300LeverS.100-P/07
W-00850-300Gear boxS.100-RS/08
W-00950-300Gear box (Aluminium)S.100-RS/09
W-010350-500Gear boxS.100-RS/10
W-011600/700/1200Gear boxS.100-RS/11 S20
W-012600/750/800/900/1200Gear boxS.100-RS/12
W-0131300-2000Gear boxS.100-RS/13
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