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
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