Overgroudn hydrant PN16 with single closing

HYDRANTS

Overground hydrant PN16 with single closing

Type 3000
Diameter DN80
Working pressure PN16
Column: steel, galvanised, stainless or ductile cast iron GJS 420-10
Body: ductile cast iron GJS 500-7
Height: 1900mm, 2150mm, 2450mm
Temp. max. 40°C – for water

Overground hydrant DN80 in the version with a single piston closure, approved for PN16 working pressure and an innovative design solution.
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. 160 140
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 and valve chamber made of spheroidal cast iron, grade EN-GJS 500-7, column according to the table, stem made of stainless steel.
Piston of ductile cast iron GJS 500-7 vulcanised with EPDM rubber of 70° Sh hardness.
Stem nut in brass with trapezoidal thread.
Spindle (stem) made of stainless steel with cold rolled thread, sealed with at least
Gaskets made of EPDM rubber.
Outlets made of aluminium
Hydrant cap covers made of aluminium alloy or cast iron.
Closing of the hydrant is executed by a piston cooperating with a brass 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 flashover 3 kV and UV radiation.