4 Inch 3-Way Automatic Backwash Valve for Automatic Filter Systems
Product Details
| Customization: | Available |
|---|---|
| Temperature: | Ordinary Temperature |
| Certification: | ISO9001 |
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Basic Info.
- Model NO.
- LSF04D
- Media
- Water
- Standard
- Standard
- Connection Mode
- Internal Thread
- Power
- Hydraulic
- Material
- Plastic
- Type
- Double Seater
- Lead Time
- 5-10days
- Size
- 4 Inch
- OEM
- Accept
- Custom
- Accept
- Transport Package
- Carton
- Specification
- 4" female thread
- Trademark
- DFS
- Origin
- Fuzhou
Product Description
TYPICAL APPLICATION
back-flushing control valve can be connected with gravel filter or disc filter into an automatic backwash filtration
system, and it can also change the direction of flow in water supply. The control valve has 2 control chambers, which can be
deformed into angular flow or direct flow through different spring assembly direction. The unique cavity design ensures large
flow volume of water supply:
Auto back-flushing filtrationg system - BDV series back-flushing control valves can be built into an automatic backwash
system with gravel medium filter or disc filter.
Water supply system - Being used in the water supply pipelines to reroute the water flow into angle or straight
flow direction.
FEATURE & ADVANTAGE
• Hydraulic drive diaphragm control valve;
• Unique plastic spool assembly design with tight sealing and corrosion resistance;
• Short stroke of valves stabilizing water flow and avoiding blend of clean and dirty water;
• Corrosion-proof and long lasting PP material;
• Unique cavity design of BDV series ensuring high water flow;
• With an easily dismantled driven system for convenient on production line checking and maintenance;
• Dual-chamber design of BDV series valve with low-voltage drive to effectively protect the diaphragm;
• With the possibility to install changeover joints in the drain of the direct flow valve, from 4 to 3, from 3 to 2,
meeting the demands of small flows.
• With the application of dual chamber design, BDV series providing angular flow and direct flow options, and being free of
installation direction confinement;
TECHNICAL DATA
| Model | Flow Direction | Connections Sizes | Connections | Volumn in Cavity(L) | Working Pressure(Bar) | Weight(kg) |
| Angle | 3''x3''x3'' | BSP/NPT | 1.5 | 0.7-10 | 5.5 | |
| Angle | 4''x4''x4'' | BSP/NPT | 1.5 | 0.7-10 | 5.5 |
Q:Are you a manufacturer or a trading company?
A:we are totally manufacturer
Q:How does your factory carry out quality control?
A:Quality Control is one of our most important link. All of the product will be fully processed and strictly tested before packaging for shipment.
Q:Can I get samples for checking the quality?
A:We can provide free samples. But you need to pay the freight. After you place the order, we will refund the single freight of the sample.
Q:What's the delivery time?
A:Usually for sample order within one week, for mass order 10-30days.
Q:What's your payment terms?
A:We accept T/T, Western Union,L/C and PayPal.
Q:Can I visit your factory?
A:We always welcome you to visit our factory. Transportation is very convenient in China. You can take highspeed rail or plane, and we will pick you up in advance.
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