Description
Overground hydrant DN80 in a version with double double closing and excellent anti-corrosion coating based on epoxy resins or hot-dip galvanizing. Intended for drawing water for municipal and fire protection 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. 140
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
- Upper body and valve chamber made of grey cast iron grade EN-GJL250 or spheroidal cast iron grade EN-GJS 500-7, column as per table, stem made of stainless steel.
- Ball valve as additional protection in case of hydrant failure.
- Hydrant piston from spheroidal cast iron GJS 500-7 and ball valve ball 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.
- 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 guide sleeve.
- Self-draining follows at the moment of complete closure of the hydrant.
- Full anticorrosive protection inside and outside with epoxy powder paint with coating thickness min. 250µm, resistant to 3 kV and UV radiation.
Download declaration of performance
“Hydrant nadziemny DN100 PN10 typ A - 3000” PDF, 90 KB
