- Model No.: DN40-DN150
- Connection: Flanged Diaphragm Valve
- Structure: Two-Way Valve
- Flow Direction: Reversible
- Usage: Flow Control
- Model: Water Treatment Diaphragm Valves
- Material: PA6 (Polyamide)
- Manufacturer: Yes
- Size: 2" - 6"
- Control Type: Pneumatic or Hydraulic
- Specification: DN50-DN150
- HS Code: 8481802990
- Actuator: Electric
- Material: Nylon
- Pressure Rating: High Temperature
- Function: Solenoid & Electronic Type
- Standards: GB, JIS
- Color: Black
- Max Pressure: 1MPa
- OEM Available: Yes
- Chemical Resistance: Yes
- Brand: Duoling
- Origin: Changzhou, China
Water Treatment Industrial Plastic Irrigation Drain Three Way Valve
1. Water treatment diaphragm valves
2. Hydraulic or Pneumatic operation
3. Competitive manufacturing price
4. Durable and high-quality design
Water treatment diaphragm valves are lightweight and corrosion-free compared to iron-made alternatives. They feature an anti-aging additive to prevent degradation from sunlight exposure. Each valve undergoes a pressure test before shipping at 15 kg.
Below is the working mechanism of its internal structure:
1. These water treatment diaphragm valves can replace two sets of electric or pneumatic valves in sand filters, offering easy control;
2. Made from PA6 (Nylon), with a maximum working pressure of 1.0MPa;
3. Designed with a clamp connection for quick and simple installation and removal;
4. Resistant to rust and corrosion, suitable for weak acid environments;
5. Excellent aging resistance, ideal for outdoor use;
6. Fast switching and stable performance;
7. Easy to replace parts, reducing maintenance costs;
8. The diaphragm uses advanced rubber material with good elasticity, reinforced with imported high-strength fabric for better rebound;
9. Features a double-sided waterproof rubber seal ring to prevent leakage;
10. Equipped with a top hold hoop for safer operation and easier internal part replacement;
11. Finished with professional nylon paint for an attractive appearance.
FAQ
Shipping Methods:
1. Express delivery (DHL, TNT, UPS, FEDEX, EMS) – ideal for small or urgent orders.
2. Sea freight – best 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 via T/T or W.U. (excluding weekends).
If stock is available, we will ship your order immediately upon receiving payment.
Returns Policy:
Situation 1
If there’s no quality issue, returns are not accepted. If the problem isn’t our fault, we’ll send spare parts free of charge, but you’ll be responsible for shipping costs.
Situation 2
If the issue is due to our fault, we offer a full refund or replacement within 15 business days of delivery.
Payment Options:
We accept bank transfer (T/T), letters of credit (L/C), Western Union, and cash.
Please send us a scan of your payment receipt via email to expedite your order processing.
 Warranty:
All products come with a minimum one-year warranty. If any quality issues occur during this period, we will provide free replacement parts or accept returns as needed.
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