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Flap valve:With automatic closing functions, prevent rivers flow back the tide,simple structure, good sealing,excellent quality Flap valve: Product use: flap valve take as a one-way valve at the exit of with drain pipe, has shut down automatically function, prevent the rivers flow back the tide. Appearance can be divided into square flap valve and circular /round flap valve. Application/Purpose: falp valve (also called check valve), more use in the pipe and water channels for water and wastewater treatment engineering , Used for excessive or check medium. Can also be used for various strong into cover. Structure features: our factory production of flap valve can be divided into round flap valve (PM-Y type) and square flap valve (PM-F type)two kinds, all adopt dual hinge type, the Characteristics include in structure is simple, good sealing etc.. The maximum working pressure for 6 m water head.
1. Indicate the material (cast iron or steel), if not note will according to cast iron production.
2. Reverse bear water headno more than 8 m , please indicate the water head when exceed
3. When installation, it is better use flange connection, when the pre-embedment parts connected, the setting of the pre-embedded parts please refer to the sample embedded steel plates for cast iron product catalogue
4. flap valve flange standards for API ,DIN,MSS PN0.25 MPa.(150lb)
5. The company another production float box flap valve , size same with this form. Working Condition:Working temperature:about 100 °Cworking pressure: 0.25mpa~2.0mpa(for 150LB)Media: watersuitable for Sea water, sewage, oil product descriptiondesign&manufacture standard:ASME,EN,DIN,ISOconnection type:flange end,support lugPort type:through wayOperation type: manual operationflow direction: single direction strengthflap 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 is simple, reliable work, no human operation, usable flange connection, also can connect with embedded parts fixed
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