Underground hydrant DN80 PN10 with single closing

HYDRANTS

Underground hydrant DN80 PN10 with single closing

Type 3500/3600
Diameter DN80
Working pressure PN16
Column: steel, galvanised, stainless or ductile cast iron GJS 500-7
Height: 500mm, 750mm, 1000mm, 1250mm, 1550mm
Temp. max. 40°C – for water

Underground hydrant DN80 PN10 with a single closing and an 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. 60
Number of turns until beginning of opening 3
Number of turns for full opening 9
Nominal hydrant capacity 10dm3/s at pressure 0,2 MPa in accordance with PN-B 02863

CONSTRUCTIONAL FEATURES

Body: upper and valve chamber made of gray cast iron grade EN-GJL 250 or ducticle cast iron grade EN-GJS 500-7, column according to the table, stem made of stainless steel 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.