AKWA - Model DN100 PN10 -Overground Hydrant type A

• Type 3000
• Diameter DN80
• Working pressure PN10
• Column: steel, galvanised or stainless steel
• Body: grey cast iron GJS 250 or ductile cast iron GJS 500-7
• Height: 1900mm, 2150mm, 2450mm
• Temp. max. 40°C – for water

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 125 Nm
Kv coefficient min. 160 160
Number of turns until beginning of opening 3
Number of turns for full opening 9
Nominal hydrant capacity 15dm3/s at pressure 0,2 MPa in accordance with PN-B 02863

CONSTRUCTIONAL FEATURES

• Body, end cap and valve chamber made of grey cast iron grade EN-GJL250, or 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 two o-rings cooperating with a sleeve made 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 flashover 3 kV and UV radiation.