Wafer Flat Gate Valve

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Technical Specification
Product name	Wafer flat gate valve
Design reference	API	ASME
Design standard	API 6D	ASME B16.34
Structural length	API 6D	ASME B16.10
Flanged ends	ASME B16.5、ASME B16.47	ASME B16.5、ASME B16.47
Butt-welding ends	ASME B 16.25	ASME B 16.25
Test & inspection	API 6D	API598
Packing:	To be packed in suitable wooden cases as per client's option or customized
Shipping & Delivery:	20-25 days lead time; deliver by ship from Ningbo port or Shanghai port
Closure type	Wafer flat
Notes: Serial valve connecting flange and butt-welding terminal size can be designed at customers'request. The material of the main parts and sealing surface of the valve can be designed and selected according to the actual working conditions or the special requirements of users.

 

 

1. Ultra-short structural length, save materials, can make the overall weight of the pipeline system greatly reduced.

2. Occupy a small effective space, can effectively support the strength of the pipeline, can reduce the possibility of pipeline vibration.

3. The gate adopts austenitic stainless steel, the corrosion resistance is greatly improved, and the sealing leakage caused by the corrosion of the gate can be effectively prevented.

4. The upper sealing filler adopts flexible PTFE, reliable sealing, light and flexible operation.

5. The ram has the function of the knife, which can effectively break all kinds of debris in the medium.

 

 

• Our service tenet is customer first, service first. We will provide more accurate and efficient manufacturing and service according to customer requirements.
• We have a professional QC team to ensure that the products in Wafer flat gate valve meet your needs and do better.
• Check raw materials before production at Wafer flat gate valve.
• Spot checks are carried out during the processing of Wafer flat gate valve.
• 100% inspection of Wafer flat gate valve before shipment.
• Provide a one-year service for the products provided by Wafer flat gate valve to create value for customers.

 

 

• We have complete production technology and management.
• As a manufacturer our price is also good.

 

 

To be packed in suitable wooden cases as per client's

 

 

Q: Do special flanges need to be used to connect the two ends of the valve?

A: No, during the opening and closing process, the closing part will not exceed the end of the valve.

 

Q: Is the design temperature of the valve fixed?

A: We determine the design temperature according to your design needs.

 

Q: Is the valve opening and closing track straight line or Angle stroke switch type?

A: The valve opening and closing track is straight stroke.

 

Q: Is it OK if high temperature and high pressure conditions occur?

A: Each product is designed according to the corresponding working condition, if it exceeds the design condition, it cannot be used.

 

Q: Who determines the selection of valves?

A: We assist you in making your final choice.

 

Q: What is the effect of sealing surface quality on valve sealing performance?

A: When the specific pressure of the sealing surface is below 40MPa, the quality of the sealing surface plays a decisive role in the sealing performance of the valve. This is because: when the specific pressure on the sealing surface is small and the surface roughness is low, the leakage increases rapidly. When the specific pressure of the sealing surface is large, the influence of surface roughness on the leakage is significantly reduced.

 

Q: What is the effect of the pressure difference between the front and the back of the valve on the sealing performance?

A: Theoretically, the difference between the pressure before and after the valve is proportional to the amount of leakage. However, the experiment proves that the increase of leakage exceeds the increase of pressure difference under the same condition.

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