CV 90-DI-S-6 - Silent Check Valve - Wafer Type - Stainless Steel - 6"Specification Sheet Titan CV 90 DI S 6 Silent Check Valve Wafer Type Stainless Steel 6" Features Designed for long service life Newly designed CV90's have straightening vanes that reduce turbulence in incoming flow, thus minimizing noise vibrations, erosion, cavitations, and other factors that could result in premature valve failure. Minimal head loss Head loss is minimized by providing a large cross sectional area which exceeds that of the adjacent