Yaosheng-double door check valve is suitable for automatically preventing backflow in systems that need to allow flow in one direction and prevent flow in the opposite direction. The double door check valve is recommended for cleaning liquids and gases. Due to its cost-effective design and non-impact performance, it has a reputation for excellent performance in refineries, petrochemicals, gas liquefaction, other process industries, and HVAC applications. Lighter weight and shorter laying length save initial cost, require less space, and are easier to install than full-body, swing type.
|Double Disc Check Valve Main parts and materials|
|Valve body Bonnet||Grey iron|
|Valve shaft||Carbon steel|
Double Door Check Valve
|Double Disc Check Valve Function and specification|
|Double Disc Check Valve Outline and connecting measurement|
1.Compact structure, reasonable design, good valve rigidity, smooth passage.
2.The use of flexible graphite packing, reliable sealing, light and flexible operation.
Wafer style check valve industrial applications: Petroleum, Chemical, Paper, Making, Fertilizer,Coal Mining, Water Treatment and etc.
Small volume Compact structure and convenient maintenance
The dual plate can be self closed due to the elastic torque.
Fast closing can effective avoid the back-flowing
A class sealing, Zero leakage.
Easy installation, can be used to vertical and horizontal set up.
1. We have Sand or Precision casting technology, So we can as your drawing design and production.
2. Customers' logos are available cast on the valve body.
3. All our stainless steel wafer check valves with tempering procedure before Processing.
4. Use the CNC lathe during whole process.
5. The disc sealing surface use plasma welding machine welding.
6. Every valve must be tested before delivery from the factory, only qualified ones can be shipped.
7.The split disc check valve we usually use Bags to package, We also can according to specific customer's requests.
1. We are a gost valve manufacturer, and produce dual disc check valve since 1992.
2. Fast delivery.
3. Low price with high quality.
4. Professional work Team!
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