2017 Good Quality Sewage Check Valve - dn300 ductile iron round flap valve – Jinbin Valve
2017 Good Quality Sewage Check Valve - dn300 ductile iron round flap valve – Jinbin Valve Detail:
dn300 ductile iron round flap valve
The ductile iron round flap valve is a one-way valve installed at the outlet of the drainpipe for the water supply and drainage works and the sewage treatment works. It is used to overflow or check the medium, and can also be used for various shaft covers. According to the shape, the round door and square patting door are constructed. The ductile iron round flap valve is mainly composed of valve body, valve cover and hinge component. Its opening and closing force comes from water pressure and does not need manual operation. The water pressure in the flap valve is larger than that at the outside side of the flap valve, and it opens. Otherwise, it closes and reaches the overflow and stop effect.
Suitable size | DN 300 – DN1800mm |
Working pressure | ≤0.25Mpa |
Temp. | ≤80℃ |
Suitable medium | water, clear water, sea water, sewage etc. |
No | Name | Material |
1 | Body | ductile iron |
2 | Disc | ductile iron |
3 | Spring | stainless steel |
4 | Shaft | stainless steel |
Tianjin Tanggu Jinbin Valve Co., Ltd. was founded in 2004, with registered capital of 113 million yuan, 156 employees, 28 sales agents of China,covering an area of 20,000 square meters in total, and 15,100 square meters for factories and offices.It is a valve manufacturer engaged in professional R&D, production and sales,a joint-stock enterprise integrating science, industry and trade.
The company now has 3.5m vertical lathe, 2000mm * 4000mm boring and milling machine and other large processing equipment, multi-functional valve performance testing device and a series of perfect testing equipment
Product detail pictures:

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Now we have superior devices. Our solutions are exported to your USA, the UK and so on, enjoying a superb name between customers for 2017 Good Quality Sewage Check Valve - dn300 ductile iron round flap valve – Jinbin Valve , The product will supply to all over the world, such as: America, Suriname, Haiti, We aim to become the modern enterprise with the commercial ideal of "Sincerity and confidence" and with the aim of "Offering customers the most sincere services and best quality products". We sincerely ask for your unchanged support and appreciate your kind advice and guidance.

Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
