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Guangzhou Jieming Water Treatment Equipment Co., Ltd.

China Manufacturer with main products: Diaphragm Valve, Water Filter, Softener, RO System, disc filter, multi port valve, backflush valve, Industrial water treatment equipment

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Automatic Backflush Valve

Supply Ability: 1,000,000,000 Piece/Pieces per Year
Shipping: SEA
Payment Terms: L/C

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: CARTON


1. Made from reinforced engineering plastics, sturdy and durable.
2. Hydraulic driven control by double chambers, flexible application, used for three port control including angle and straight water flow directions;
3. Short travels, thus smooth water flow direction changes, eliminates the mixing of supply and waster water like others valve, better sealing, no maintenance required;
4. High throughput Flux, less pressure loss;
5. Can be installed in any direction, wider range of applications.
1. Working pressure: 2-10 Bar (2.1-10.2 kgf/cm2);
2. Working temperature: < 65º C
3. Valve body material: Reinforced nylon.
* flow rater Q: M3/H,
Pressure lossΔ P: Bar.
Application Examples:
Jieming B series backflush valve is used for supporting applications in various media filters, disc filters, mesh filters and etc. While filter unit backwashing, diaphragm driven valve plug, firstly close inlet water, then use filtrated water backwash either filter medium or filter unit, and drain out, valve open and close is controlled by the system's water pressure or air pressure, can be controlled by a signal from 3 way solenoid valve, stager or pilot valve, thus 2 cycles as follow:
Filtration: Inlet water passes through control valve to filter unit,
Then flows into the system and flows out.
Backwash: Close control valve inlet water and open the drain port,
Thus the outlet pipe water backwash the filter unit, and drain out with impurities.
model B220S B220A B330S B330A
filtration flux Cv* 46 52 93 110
A\B\C port 2” victaulic 3” victaulic
Dimensions L x W x H mm 232 x 160 x 273 287 x 192 x 378
Net wgt Kg 2.55 (with adapter) 4.85
Gross wgt Kg 2.8 5.2

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