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Double Disc 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


Product Details

Double Disc Check Valve Main parts and materials
Parts nameMaterial
Valve body BonnetGrey iron
ButterflyGrey iron
Valve shaftCarbon steel
Sealing ringNBR
springstainless steel

Double Disc Check Valve

Double Disc Check Valve Function and specification
TypeNominal
pressure
(mpa)
Testing pressure(mpa)Suitable
temperature
Suitable
medium
Strength
(Water)
Enclose
(Water)
DH77X-101.0 1.50 1.10 ≤80℃water


Double Disc Check Valve Outline and connecting measurement
TypeNominal
DN(mm)
Measurement(mm)
L
R
RDD0
DH77X-10404323.59266
504328.510666
654634.512681
80644413595
1006452.8158118
1257066.5190146
1507674.5214171
2008987.5270225
250114127328266
300114147378311

Tips:

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

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

 

Applications:

Industrial applications: Petroleum, Chemical, Paper Making, Fertilizer, Coal Mining,water treatment and etc.

 

Product 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 casting 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 kind valve we usually use Bags to package, We also can according to specific customer's requests.

8. Product obviously introduction:

1)Small volume Compact structure and convenient maintenance

2)The dual plate can be self closed due to the elastic torque.

3)Fast closing can effective avoid the back-flowing

4)A class sealing, Zero leakage.

5)Easy installation, can be used to vertical and horizontal set up. 

 

Company Advantages:

1.We are manufacturer Since 1992.

2.CE,API,ISO approved.

3.Fast delivery.

4.Low price with high quality.

5.Professional work Team!


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