Overground hydrant breakable DN80 single closing

INDEX NO. 605

APPLICATION

Waterworks and fire-fighting installations.

DESIGN FEATURES

  • head, base – ductile iron EN GJS-500-7
  • column:
    – 605A- carbon steel S235JR
    – 605B – stainless steel (0H18N9 / AISI 304 / 1.4301)
    – 605C – ductile iron (EN GJS-500-7 / 5.3200 / EN JS1030)
    – 605D – carbon steel S235JR hot dip galv.
  • rolled stem made of stainless steel (2H13, AISI 420, 1.4021)
  • protection against breaking
  • stem seal – o-ring
  • self – draining when fully closed
  • rod:
    – column A, C, D – constructional steel with anti-corrosive coathing or stainless steel
    – column B – stainless steel
  • special A2 bolt at the breaking point
  • single piston closing system
  • closing pistons – ductile iron, fully vulcanised with EPDM
  • internal elements may be replaced without the need to dig the hydrant out
  • 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, PN-79/H-74244, PN-EN 10088-1
  • flange PN16 acc. PN-EN 1092-2
  • base B75 acc. PN-M-51038
  • operating wrench acc. PN-63/M-74085, DIN 3223