4" Plastic auto Backwash Valve flow control hydraulic valve

2 Position 3 Way Valve Coupling Connection

PS: 2”=60.3mm;2.5”=76.1mm,3”=89mm;4”=114.3mm;5”=140mm;6”=165mm

Control Valve for Backwash of Filter / 2 Position 3 Way valve

This valve is widely used in automatic backwash disc filtration system, driven by the pressure of pipelines and realize filter’s backwash automatically. It is simple-structured, practical, and can run for a long time without maintenance. The diaphragm can change the direction of stream quickly and stably. When backwash inlet is open, the water inlet is closed, or vice versa. It can avoid overflow of filter or mixing of clean water and waste water.

Features of 2 Position 3 Way Valve:

1. It can be used in sand filters, replacing two sets of electric or pneumatic valves, easy to be controlled;

2.Made of  PA6 (Nylon) material, max working pressure is 1.0MPa;

3. Clamp connection, easy installation and removal;

4. Never rust, corrosion resisting, can be used in weak acid environment;

5. Good aging resistance, can be used in the open air;

6. Switch quickly, good operation stability;

7. Easy to replace parts, low maintenance costs;

8. The diaphragm is made of advanced rubber material which has good elasticity, between rubber is the imported high strength net cloth with good rebound performance;

9. With the bilateral dovetail waterproof rubber seal ring, it prevents water leakage of operation;

10. With the hold hoop on top, it’s much safer and is convenient to change the parts inside;

11. External uses professional nylon paint treatment, excellent appearance.

1. Shipping Ways:
1. By express: DHL, TNT, UPS, FEDEX, EMS etc, usually for small or regular and urgent orders;
2. By sea transportation for bulk quantity;
3. By air transportation.

2. Delivery time:
Shipping times are approximately 5-7 days for sample orders and 7-15 days for regular orders, after payment is done instantly by T/T, W.U. (weekends not included).
If we have any stock for your order, we will shipped out goods immediately on receipt of your payment.
Returns:
Situation 1
If no quality problem, there is no returns or refund. If there’s any problem not caused by us, we are pleasure to fix it by sending some spare parts to you, and please bare the shipping cost.
Situation 2
For any quality problem caused by us, we provide refund for returns made within 15 business days of the delivery date. Or we fix it or make new ones for you as request.

3. Payment:
We accept TT payment(Bank Transfer), L/C, Western Union & Cash, etc..
Please remember to send us scaned recipt of T/T or other payment copy by Email, this will speed up the processing of your order.

4. Warranty
All our products have at least 1 year warranty. If there’s any quality problems during the warranty period, we ship new spare parts for replacement free for you, or we accept return policy.