Ductile Iron Bellow Valves
Design standard: EN12516
Face to face dimension: EN558-1
Flanged ends:EN1092-1，DN40-200 thickness according EN1092-2
Test & inspection: EN12266
Thermal Oil System
Hot and cold water
1.The Bellow sealed globe check valve is a valve with two function ,which is globe and check valve. Connecting this valve’s stem and disc is designed to open structure . The stem can withstand the movement of the valve disc when it close valve, which can combine the disc sealing and seat sealing surface to achieve the close status. In the meanwhile, the valve can break off the media in pipeline .when opening the valve, stem and disc is disengaged. It plays the role of a check valve to prevent the media back flow.
2.This valve has a dual function ,it can cost savings and higher security.
3.Especially suitable for the installation location restrictions for special occasions.