Model Number: H47X-8-#0343 Key Specifications/Special Features: Product specifications:Here are two discs, small one is in the center of the large oneLarge disc drops quickly when closing and it is controlled by the damper near the closing position and the small disc is controlled by another damperSlow closing follows quick closingValve can prevent the pump turning back and super-high water hammer pressureSuitable medium: water, sea waterMain material: grey cast iron, ductile cast iron, alloy cast iron, carbon steelSuitable temperature: ≤80°CNominal pressure:PN2.5-25bar

Nominal diameter: DN250-2800mm

Flange dimension: BS4504ISO 2531, ISO 7005 and other standards conforming to the requirements

Face to face length: BS5155, ISO 5752, DIN3352, AWWAC504 and other standards conforming to the requirements