Steel flap valves

HDPE Flap Valve Material: Composite Material Size: DN50-3000 Less weight Long service life

Flap valve:With automatic closing functions, prevent rivers flow back the tide,simple structure, good sealing,excellent quality

Flap valve:

1.   Features:

     More energy-efficient  (such as doors on without the artificial external force).

     Long service life(mechanical simple structure, convenient maintenance).

     Ease of use (switch without people manual operation).

 

2.  Connection type: flanged type, push-on type, mechanical joint type, plain ends type

 

3.  Material:

 

name	material
body	HT200 QT450--10
disk	Q235-A-F
sealing ring	copper alloy
pein shoft	2Cr13

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.

Technical data:

Model	D	D1	D2	L	n-d
DN400	400	495	540	230	16-23MM
DN500	500	600	645	280	20-23MM
DN600	600	705	755	330	20-23MM
DN700	700	810	860	330	24-26MM
DN800	800	920	975	330	24-30MM
DN900	900	1020	1075	350	24-30MM
DN1000	1000	1120	1175	380	28-30MM
DN1200	1200	1320	1375	420	32-30MM
DN1400	1400	1520	1575	480	36-30MM
DN300	300	390	460	200	4-18MM
DN400	400	520	590	230	4-18MM
DN600	600	765	835	330	8-23MM
DN800	800	950	1050	330	8-23MM
DN1000	1000	1150	1250	380	8-23MM

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 catalogue4. 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 °C

working pressure: 0.25mpa~2.0mpa(for 150LB)

Media: water

suitable for Sea water, sewage, oil

product description

design&manufacture standard:ASME,EN,DIN,ISO

connection type:flange end,support lug

Port type:through way

Operation type: manual operation

flow direction: single direction

strength

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 is simple, reliable work, no human operation, usable flange connection, also can connect with embedded parts fixed

Steel flap valves