Overground ductile iron hydrant breakable DN80 double or single closing

INDEX NO. 608

APPLICATION

Waterworks and fire-fighting installations.

DESIGN FEATURES

  • hydrant body- monolith made of ductile iron EN GJS-500-7
  • rolled stem made of stainless steel (2H13, AISI 420, 1.4021)
  • protection against breaking
  • stem seal – o-ring
  • self – draining when fully closed
  • rod- constructional steel with anti-corrosive coathing or stainless steel
  • special A2 bolt at the breaking point
  • double or single piston closing system
  • closing pistons – ductile iron, fully vulcanised with EPDM
  • rotating flange – for easier installation rotates 0° to 360°
  • internal elements may be replaced under pressure (with the gate valve fully open)
  • corrosion protection:
    – external- polyester RAL3000, min. 250 μm, UV resistant
    – internal – epoxy coating approved for contact with drinking water
  • optionally – brass bushing at piston working location

TECHNICAL DATA/ STANDARDS

  • design, requirements, test methods, application acc. PN-EN 14339, PN-EN 1074-6
  • material acc. PN-EN 1563
  • flange PN16 acc. PN-EN 1092-2
  • base B75 acc. PN-M-51038
  • operating wrench acc. PN-63/M-74085, DIN 3223