Flanged gate valve F4

APPLICATION

Waterworks systems and other liquids chemically neutral.
Used to shut off the flow in water systems.

DESIGN FEATURES

• diameter range DN40-DN1000
• body – ductile iron EN GJS-500-7
• rolled stem made of stainless steel
• steam seal replaceable under the pressure
• stems seals – o-rings 3+1
• wedge – ductile iron, completely vulcanised with EPDM
• straight passage
• replaceable wedge nut – brass
• bonnet bolts – stainless steel, protected with a sealing paste
• anti-dust seal protecting from the dirt
• wedge – provided with two plastic guides,
  enabling smooth movement in the housing
• DN40-DN300: brass nut protected against unscrewing
• anti-corrosive coating – epoxy RAL5005, min. 250 μm

TECHNICAL DATA / STANDARDS

• conforms to PN-EN 1074-1, PN-EN 1074-2
• face-to-face length acc. to PN-EN 558
• material acc. PN-EN 1563
• seal acc. PN-EN 681-1
• flanges acc. PN-EN 1092-2
  – DN40-DN150: PN10/PN16
  – DN200-DN1000: PN10 or PN16
• temperature range: -10°C / +70°C