Underground hydrant DN80 double or single closing

APPLICATION

Waterworks and fire-fighting installations.

DESIGN FEATURES

• head, base – ductile iron EN GJS-500-7
• column:
  – 601A- carbon steel S235JR
  – 601B – stainless steel (0H18N9 / AISI 304 / 1.4301)
  – 601C – ductile iron (EN GJS-500-7 / 5.3200 / EN JS1030)
  – 601D – carbon steel S235JR hot dip galv.
• rolled stem made of stainless steel (2H13, AISI 420, 1.4021)
• stem seal – o-ring
• sealing at the outlet – polution deflector
• self – draining when fully closed
• rod:
  – column A, C, D – constructional steel with anti-corrosive coathing or stainless steel
  – column B – stainless steel
• double or single piston closing system
• closing pistons – ductile iron, fully vulcanised with EPDM
• internal elements may be replaced under pressure (with the gate valve fully open)
• tightening spring – stainless steel
• rotating flange – for easier installation rotates 0° to 360°
• optionally – brass bushing at piston working location
• corrosion protection- epoxy coating

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
• operating wrench acc. PN-63/M-74085, DIN 3223
• jaw connection acc. PN-M-51154