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Read More About butterfly swing check valve
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DH77X-10 Double Disc Wafer butterfly check valve

Medium temperature: ≤80 ℃
Medium: water
Caliber: DN40-600
Pressure: 1.0/1.6Mpa
Body material: gray cast iron / nodular cast iron
Connection method: Wafer type



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Product Details
Product Tags

PRODUCT PARAMETERS

 

Parts name Material
Valve body Bonnet Grey iron
Butterfly Grey iron
Valve shaft Carbon steel
Sealing ring NBR
spring stainless steel

 

 

Product Anatomy

Double Disc Check Valve

 

 

Type Nominal
pressure
（mpa）		 Testing pressure（mpa） Suitable
temperature		 Suitable
medium
Strength
(Water)		 Enclose
(Water)
DH77X-10 1.0  1.50  1.10  ≤80℃ water

 

 

Product Description  

 

Double Disc Check Valve Outline and connecting measurement
Type Nominal
DN(mm）		 Measurement（mm）
L
R		 R D D0
DH77X-10 40 43 23.5 92 66
50 43 28.5 106 66
65 46 34.5 126 81
80 64 44 135 95
100 64 52.8 158 118
125 70 66.5 190 146
150 76 74.5 214 171
200 89 87.5 270 225
250 114 127 328 266
300 114 147 378 311

 

 

Characteristic

1.Compact structure, reasonable design, good valve rigidity, smooth passage.

2.The use of flexible graphite packing, reliable sealing, light and flexible operation.

 

Applications:

Wafer style check valve industrial applications: Petroleum, Chemical, Paper, Making, Fertilizer,Coal Mining, Water Treatment and etc.

 

Introduction:

 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.

 

OUR ADVANTAGES:

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.

 

 

WHY CHOOSE US:

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!

 

We also provide other GOST valve, JIS valve, DIN valve, BS series, etc. 

 

More information about valve:

Backflow Preventer vs. Check Valve

 



 

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