Underground hydrant DN80 double or single closing
INDEX NO.
601
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
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