SOFT SEALING GATE VALVE DN 40 to 500

SOFT SEALING GATE VALVE DN 40 to 500

      Flanged soft sealing gate valves  for on/off duty.

Applications

  • Drinking water networks.
  • Fire protection networks.
  • Irrigation networks.
  • Sewage networks.

Description

  • Performance:

  - Low head loss,
  - Low operating torque,
  - Bubble tight shut-off.

  • Design:

  - Straight and full bore to nominal diameter.
  - Wedge fully encapsulated in moulded elastomer.
  - Integral wedge guides for easy operation under maximum differential pressure.
  - Replaceable packing version in standard.
  - Three independant stem seals. Two o-rings above the
    collar and one pressure sensitive seal below (DN 40 to 350).
  - Dust seal to prevent ingress of dirt at the stem level.
  - Stem in stainless steel.
  - Internal and external blue powder epoxy coating of 150 microns.
  - Bonnet bolts fully covered.
  - Long pattern and short pattern

  • In conformity with the European standards in force.
  • European approvals for drinking water.
  • Clockwise closing direction (CC – blue label) or anticlockwise closing direction (CO – red label).
  • Maintenance-free.
  • Different types of operation available.

Technical data

  • Range: DN 40 to 500
  • Maximal working pressure: PN 16
  • Temperatures: from -10 °C to + 80 °C
  • Sealing: leakage rate according to standard EN 12266-1.
  • Face-to-face dimensions according to standards EN 558-1 series 14 and 15 and ISO 5752 series 14 and 15.

Tests

  • Fully tested manufacturing according to standard NF EN 1074-2 and certification rules of NF 197 Brand.
  • Flange drilling according to standards EN 1092-2 and ISO 2531:

  - ISO PN 10/16 for DN 40 to 150
  - ISO PN 10 or PN 16 for DN 200 to 500