Overground hydrant breakable DN80 double closing with ball
INDEX NO.
613
APPLICATION
Waterworks and fire-fighting installations.
DESIGN FEATURES
- head, base – ductile iron EN GJS-500-7
- column:
– 613A- carbon steel S235JR
– 613B – stainless steel (0H18N9 / AISI 304 / 1.4301)
– 613C – ductile iron (EN GJS-500-7 / 5.3200 / EN JS1030)
– 613D – 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
- double closing system
- closing pistons – ductile iron, fully vulcanised with EPDM
- internal elements may be replaced without the need to dig the hydrant out under pressure (with the gate valve fully open)
- rotating flange – for easier installation rotates 0° to 360°
- 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
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