Ductile Iron check valves maintain the anti-corrosive properties of Cast Iron while achieving a yield strength comparable to Carbon Steel. They also offer higher pressure and temperature ratings than Cast Iron Check Valves of the same ANSI Class.
Features:
Silent shut-off is achieved via the fully automatic, spring-assisted, double-guided disc that closes near zero flow velocity
Short travel distance and quick closure of the disc eliminates water hammer by creating a positive shutoff prior to flow reversal
Head loss is minimized by providing a large cross- sectional area which exceeds that of the adjacent pipeline
Ductile iron body maintains the anti-corrosive properties of cast iron while achieving a yield strength comparable to carbon steel
Can be installed in any position (horizontal or vertical with upward flow) - consult factory for vertical with downward flow
Certain sizes allow direct mounting of a wafer type butterfly valve to the outlet end without requiring a space flange or spool piece