2 Position 3 Way Backwash Valve 4" Fliter Valve

Characteristics:

1.  Backwash valve 4"

2.Hydraulic or Pneumatic

3.manufacture price

4.Durable,refined

This two-position three-way valve is lighter and rustless than those made of iron. It's added anti-aging to prevent aging after sunlight. And every valve have been pressure tested before shipment (15kg).

Below is the working process for its internal structure :

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

2. 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.