Pinch Relief China Italy Standard Flow Rate Valve

**Product Specifications**

• Model No.: DN80
• Connection: Flanged Diaphragm Valve
• Structure: Angle Type Diaphragm Valve
• Flow Direction: Unidirectional
• Usage: Drainage
• Model: Water Treatment Diaphragm Valves
• Color: Black
• Max Pressure: 1 MPa
• OEM: Available
• Chemical Resistant: Yes
• Brand: Duoling
• Origin: Changzhou, China

• Actuator: Electric
• Material: Plastic
• Pressure Rating: Low Pressure
• Function: Solenoid Valve
• Standard: DIN
• Connection Type: Flange or Coupling
• Material Grade: PA6
• Manufacturer: Yes
• Size Range: 2" - 6"
• Control Method: Air or Liquid Operated
• Specification: 25-150
• HS Code: 8481804090

Product Description
Water treatment diaphragm valves are designed for durability and efficiency in various industrial applications. Compared to traditional iron-made valves, these models are lighter, more corrosion-resistant, and offer excellent resistance to aging caused by sunlight exposure. Each unit undergoes rigorous pressure testing before shipment, with a test pressure of up to 15 kg/cm². Here is an overview of the internal working mechanism: 1. These water treatment diaphragm valves can be used in sand filters, replacing two sets of electric or pneumatic valves, making them easy to control. 2. Constructed from PA6 (Nylon) material, they can handle a maximum working pressure of 1.0 MPa. 3. Featuring a clamp connection design, installation and removal are simple and quick. 4. The valves are non-rusting and highly resistant to corrosion, suitable for use in weak acid environments. 5. They have strong aging resistance, allowing for long-term outdoor use without degradation. 6. The valve switches quickly and operates with high stability. 7. Parts are easy to replace, which reduces maintenance costs significantly. 8. The diaphragm is made from advanced rubber material with excellent elasticity, reinforced with imported high-strength net cloth for improved rebound performance. 9. A bilateral dovetail waterproof rubber seal ring ensures no water leakage during operation. 10. A hold hoop on top enhances safety and simplifies internal part replacement. 11. The exterior is treated with professional nylon paint, providing a clean and appealing appearance. Frequently Asked Questions
Shipping Methods:
1. By express: DHL, TNT, UPS, FEDEX, EMS, etc. – ideal for small or urgent orders.
2. By sea: For bulk quantities.
3. By air: For time-sensitive deliveries.
Delivery Time:
- Sample orders: Approximately 5–7 days after payment.
- Regular orders: 7–15 days after payment (excluding weekends).
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 our fault, we will provide spare parts at your expense.
Situation 2: For any quality issues caused by us, we offer a 15-day return policy for full refunds, or we will repair or replace the product as requested. Payment Options:
We accept T/T (Bank Transfer), L/C, Western Union, Cash, and other methods. Please send a scanned copy of your payment confirmation via email to expedite processing. Warranty:
All products come with a minimum one-year warranty. During this period, if any quality issues arise, we will provide free replacement parts or accept returns as needed.

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