Check Valves

Series 641/21 AVK recoil check valves PN16

The Series 641/21 is a multidoor metal seated recoil check valve, suitable for use with potable water to a maximum temperature of +70°C.

Features

• Ductile iron body for strength and durability.
• Ductile iron discs (doors) with gunmetal seat on face and body.
• Two, three or four door design, depending on size.
• built-in non-slam characteristics: no need for external dampers.
• Superior close time compared to traditional swing check valve.
• Stainless steel shaft and pin.
• Seals of EPDM rubber
• Electrostatically applied epoxy resin.
• WRAS approved for drinking water