Hawle ductile iron butterfly valves for water transmission and distribution pipelines are available starting with DN 150 up to DN 1400.
Design features:
Standard version including actuation device: Wormgearbox and handwheel
Applicable for below ground installation, simple assembly of the extension spindle
Applicable for actuator
Face-to-face dimension according EN 558 – 1 SERIES 14
Flange connection dimensions according to EN 1092-2
Material | Technical features:
Sealing seat made of stainless steel welded and microfinished
Body and disk made of ductile iron, epoxy powder coated inside and out
Sealing rings made of elastomer
Retaining ring made of stainless steel
Shafts made of stainless steel
All connections made of stainless steel
Bearings made of bronze
Handwheel made of cast iron, epoxy powder coated