Gate valves for biogas

GR 14 flange connection

Keula gate valve in accordance with DIN EN 1171
Face-to-face length GR 14 in accordance with DIN EN 558-1, DN 40–400
Biogas

Description

  • Wedge-shaped gate, all-round rubber-coated, with PTFE guide
  • Flanges in accordance with DIN EN 1092-2, PN 10/16
  • Spindle bearing outside the medium

DN [mm]  FTF* length [mm]  DN [mm]  FTF* length [mm]
      40                 140                 150               210
      50                 150                 200               230
      65                 170                 250               250
      80                 180                 300               270
     100                190                 400               310     

*FTF = face-to-face

Design

  • Hand wheel
  • With stem extension kit and connection resistant to tensile forces in accordance with GW 336
  • Electric drive

Materials

  • Valve body/bonnet/wedge: ductile cast iron (SGCI)
  • Stem: V4A (1.4571) X6CrNiMoTi 17122
  • Stem screw nut: Bronze CuSn12Ni (2.1060.01)
  • Wedge: all-round rubber-coated (NBR suitable for an H2S concentration up to 3076 mg/m³* in accordance with DVGW standard G 262)

* Please submit analysis of conveyed medium and information on working temperature and moisture before ordering to enable us to check suitability of our gate valves for your application.

Surface protection

  • Option 1:
    Internal and external: epoxy resin powder coating Colour: RAL 5015 (sky blue)
  • Option 2:
    Internal and external: enamel coating Colour: RAL 5013 (cobalt blue)

Downloads

GR 15 flange connection

Keula gate valve in accordance with DIN EN 1171
Face-to-face length GR 15 in accordance with DIN EN 558-1, DN 40–400
Biogas

Description

  • Wedge-shaped gate, all-round rubber-coated
  • Flanges in accordance with DIN EN 1092-2, PN 10/16
  • Spindle bearing outside the medium

DN [mm]  FTF* length [mm]  DN [mm]  FTF* length [mm]
       40               240                   150               350
       50               250                   200               400
       65               270                   250               450
       80               280                   300               500
      100              300                   400               600
      125              325       

*FTF = face-to-face

Design

  • Hand wheel
  • With stem extension kit and connection resistant to tensile forces in accordance with GW 336
  • Electric drive

Materials

  • Valve body/bonnet/wedge: ductile cast iron (SGCI)
  • Stem: V4A (1.4571) X6CrNiMoTi 17122
  • Stem screw nut: Bronze CuSn12Ni (2.1060.01)
  • Wedge: all-round rubber-coated (NBR suitable for an H2S concentration up to 3076 mg/m³* in accordance with DVGW standard G 262)

* Please submit analysis of conveyed medium and information on working temperature and moisture before ordering to enable us to check suitability of our gate valves for your application.

Surface protection

  • Option 1:
    Internal and external: epoxy resin powder coating Colour: RAL 5015 (sky blue)
  • Option 2:
    Internal and external: enamel coating Colour: RAL 5013 (cobalt blue)

Downloads

PE spigot ends

Keula gate valve with weld-on spigots for PE pipes
DN 50–300
Biogas

Description

  • SDR 11 up to PN 10, SDR 17 up to PN 5
  • Wedge-shaped gate, all-round rubber-coated
  • Spindle bearing outside the medium
  • PE spigots, suitable for weld-on

Design

  • Hand wheel
  • With stem extension kit and connection resistant to tensile forces in accordance with GW 336
  • Electric drive

Materials

  • PE spigots: PE 100 orange/yellow in accordance with DIN 8074
  • Valve body/bonnet/wedge: spheroidal graphite cast iron
  • V4A (1.4571) X6CrNiMoTi 17122
  • Stem screw nut: Bronze CuSn12Ni (2.1060.01)
  • Sleeve: steel
  • Wedge: all-round rubber-coated with NBR

Surface protection

  • Internal and external: epoxy resin powder coating Colour: RAL 5015 (sky blue)
  • Sleeve: epoxy resin powder coating

Downloads