Cast Iron Flap Valve, Flapper Check Valve

cast iron flap valve applicable to water supply and wastewater treatment projects in various pipe and water channel as overflow, check effect, also can be applied to various vertical shaft manhole cover; Only for one-way water flow of round, square or rectangular export, the structure of ductile iron flap valve is simple, reliable work, no human operation, usable flange connection, also can connect with embedded parts fixed.
Features and Benifits of flap valve
Unique lightweight ductile iron design
Double hinge for optimal sealing
Durable fusion bonded epoxy coated
Anti-tamper stainless steel hinge pins
Bushed hinge links
Corrosion resistant construction
Lifting eye as standard
Drilled to suit flange and wall mounting
Specifications
Nominal diameter:    DN100mm to DN3000mm, other sizes available
Maximum working pressure:    25.0 meter water
Operating temperature:    90°
Corrosion resistance     No
Applicable media     water, river water, seawater, living water, industrial sewage.