Wafer Type Double Discs Non-return Valve(H71)

Wafer Type Double Discs Non-return Valve(H71) Details

 

Suitable material：	water、sea water
Main material：	grey cast iron, ductile cast  iron,alloy cast iron,carbon steel
Suitable temprature：	≤80℃
Nominal  pressure：	PN2.5-1.0MPa
Nominal  dimension：	DN80-2000mm

MATERIALS OF MAIN PARTS

Name of parts	Material of parts
Body,disc	Cast iron/duetile iron/carbon steel
Shaft,spring	Stainless steel
Body sealing ring	Rubber

This series product has two discs, the axes is set diametrically on the pipeline, opening under the pressure of medium, closing by the medium returning and the spring installed on the axes. After closing, the spring push down the discs, sealing is perfect. The length is short, 
only 1/5-1/6 of H44 Type Check, Light in weight, it is easy to install and dismountle.