Plastic Hydraulic Control Automatic Drain Backwash Valve

Water treatment diaphragm valves are lighter and rust-free compared to iron-made alternatives. They are treated with anti-aging agents to prevent degradation from sunlight exposure. Each valve undergoes pressure testing before shipment at 15 kg/cm².

1. Water treatment diaphragm valves can replace two sets of electric or pneumatic valves in sand filters, offering easy control;

2. Made of PA6 (Nylon), with a maximum working pressure of 1.0 MPa;

3. Uses clamp connection for quick installation and removal;

4. Resistant to corrosion and suitable for weak acid environments;

5. Excellent aging resistance for long-term outdoor use;

6. Fast switching and stable operation;

7. Easy to replace parts, low maintenance cost;

8. The diaphragm is made from advanced rubber with high elasticity and reinforced with imported high-strength fabric for better rebound;

9. Features a bilateral dovetail waterproof rubber seal ring to prevent leaks;

10. Equipped with a hold hoop for safer handling and easier internal part replacement;

11. Finished with professional nylon paint for an attractive appearance.

Shipping Options:

1. Express shipping via DHL, TNT, UPS, FEDEX, EMS – ideal for small or urgent orders.
2. Sea freight for bulk quantities.
3. Air freight for time-sensitive shipments.

Delivery Time:

Typically 5–7 days for sample orders and 7–15 days for regular orders after payment via T/T or W.U. (excluding weekends).

If we have stock available, we will ship immediately upon receipt of your payment.

Returns Policy:

Situation 1: If there’s no quality issue, returns or refunds are not accepted. For issues not caused by us, we’ll send replacement parts free of charge, and you’ll cover the shipping cost.

Situation 2: For quality issues caused by us, we offer a 15-day return window from the delivery date. We will either refund, repair, or replace the item as needed.

Payment Methods:

We accept bank transfer (T/T), letter of credit (L/C), Western Union, and cash payments.

Please send a scanned copy of your payment receipt via email to speed up order processing.

Warranty:

All products come with a minimum 1-year warranty. If any quality issues occur during this period, we will provide free replacement parts or accept returns as per our policy.