Plastic Hydraulic Control Automatic Drain Backwash Valve

Water treatment diaphragm valves are lightweight and corrosion-resistant compared to traditional metal valves. They are treated with anti-aging agents to ensure long-term durability even after prolonged exposure to sunlight. Each valve undergoes a pressure test of 15 kg before shipment to guarantee quality and reliability.

1. Water treatment diaphragm valves are ideal for sand filters, replacing two electric or pneumatic valves, making it easier to control;

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

3. Uses clamp connection for easy installation and removal;

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

5. Excellent aging resistance, suitable for outdoor use;

6. Quick switching and stable operation;

7. Easy to replace parts, low maintenance cost;

8. The diaphragm is made of advanced rubber with good elasticity, reinforced with imported high-strength fabric for excellent rebound performance;

9. Features a double-sided waterproof rubber seal ring to prevent leakage during operation;

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

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

Shipping Methods:

1. Express shipping via DHL, TNT, UPS, FEDEX, EMS – ideal for small or urgent orders.

2. Sea freight for bulk orders.

3. Air freight for time-sensitive shipments.

Delivery Time:

Approximately 5–7 days for sample orders, and 7–15 days for regular orders after payment. Orders placed on weekends will be processed the following business day.

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

Returns Policy:

Situation 1: If there is no quality issue, returns or refunds are not accepted. If the problem is not caused by us, we can send you spare parts at your expense.

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

Payment Options:

We accept T/T, L/C, Western Union, and Cash payments. Please send a scan of your payment receipt via email to speed up the processing of your order.

Warranty:

All products come with at least a 1-year warranty. If any quality issues occur within this period, we will provide free replacements or accept returns.