HYDRANTS
Underground hydrant DN80 PN10 / PN16 with double closing
- Type 3700
- Diameter DN80
- Working pressure PN16
- Column: steel, galvanised, stainless or ductile cast iron GJS 500-7
- Height: 750mm, 1000mm, 1250mm, 1550mm
- Height: 750mm, 1000mm, 1250mm, 1550mm
- Temp. max. 40°C – for water
Underground hydrant DN80 in the version with a double closing and excellent anti-corrosion coating based on epoxy resins or hot-dip galvanizing. Designed for drawing water for water supply, 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. 160 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.
- Divided column connected by flanges allows quick repair in case of hydrant breakage.
- 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 made of stainless material (plastic or brass).
- Gaskets made of EPDM rubber.
- Closing of the hydrant is executed by a piston cooperating with a guide sleeve.
- Self-draining follows at the moment of complete closure of the hydrant.
- 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”
Download declaration of performance
“Hydrant podziemny z podwójnym zamknięciem DN80 PN16 – 3700”
Download certificate of admission
“Hydrant podziemny DN80 PN16 z podwójnym zamknięciem – 3700”
