Description
Underground hydrant DN80 in the version with a double closing and excellent anti-corrosion coating based on epoxy resins or hot-dip galvanizing. Designed to draw water for water supply and municipal and fire fighting purposes.
AUTHORISATIONS:
National Hygiene Institute Warsaw.
Scientific and Research Centre for Fire Protection in Józefów near Warsaw.
Certificate of approval
CE Certificate.
TECHNICAL DATA:
Performance requirements and verifying tests acc. to PN-EN 14384 and PN-EN 1074-6
Flange connection according to PN-EN 1092-2
Maximum closing torque MOT 105 Nm
Kv coefficient min. 60
Number of turns until beginning of opening 4
Number of turns for full opening 11
Nominal hydrant capacity 10dm3/s at pressure 0,2 MPa in accordance with PN-B 02863
CONSTRUCTIONAL FEATURES:
- Body: upper, lower, ball valve and connection to hydrant stand made of spheroidal cast iron grade EN-GJS 500-7, column according to the table, stem made of stainless steel.
Ball valve as additional protection in case of hydrant failure. - Piston of ductile cast iron GJS 500-7 and ball of ball valve vulcanised with EPDM rubber with hardness 70° Sh.
- Stem nut in brass with trapezoidal thread.
- Spindle (stem) made of stainless steel with cold rolled thread, sealed with at least two o-rings cooperating with a sleeve of stainless material (plastic or brass).
- Gaskets made of EPDM rubber.
- Closing of the hydrant by a piston cooperating with a guide sleeve.
- Self-draining occurs when the hydrant is completely closed.
- Possibility of trenchless replacement of internal elements (“drive”)
- Full anticorrosive protection inside and outside with epoxy powder paint with coating thickness min. 250µm resistant to 3 kV and UV radiation.
Download catalogue card
“Hydrant podziemny DN80 PN16 z podwójnym zamknięciem - 3700” PDF, 390 KB
