K-shaped Plate Plate Gate Valve with Diversion Hole

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Technical Specification
Product name	K-shaped plate plate gate valve with diversion hole
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	K-shaped plate flat gate valve
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. Top loading design:

After the line system depressurized. Can be checked and repaired online, so that maintenance is simple.

 

2. Packing loading design:

Double sets of low leakage packing and loading disc spring design to avoid valve leakage due to frequent opening.

 

3. K-type plate structure:

The unique K-type plate structure has less opening force than the conventional wedge type double plate gate valve, and will not die at high temperature due to the different material expansion ratio, so the reliability of the high temperature pipeline is higher than the traditional parallel double gate valve.

 

4. Valve seat and valve body integrated structure:

According to the requirements of coal chemical industry, the valve seat is made into an integrated structure with the valve body to avoid the phenomenon that impurities enter the valve seat clearance and cause the valve to jam.

 

5. Full path design:

Full diameter diversion hole design, easy to clean online, smooth flow channel when fully opened, flow resistance coefficient is small, no pressure loss.

 

6. Diversion hole structure design:

The guide hole structure can ensure that when the valve is fully opened or fully opened, the gate and the sealing surface of the seat are always in contact to ensure that the sealing surface will not be washed by the medium, thus extending the service life.

 

7. Automatic pressure relief:

The valve has an automatic pressure relief device to ensure the safe operation of the line and equipment.

 

8. A K-ram with a two-way guide that opens and closes properly and seals reliably when the stem is installed in both vertical and horizontal directions.

 

 

• 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 K-shaped plate plate gate valve with diversion hole meet your needs and do better.
• Check raw materials before production at K-shaped plate plate gate valve with diversion hole.
• Spot checks are carried out during the processing of K-shaped plate plate gate valve with diversion hole.
• 100% inspection of K-shaped plate plate gate valve with diversion hole before shipment.
• Provide a one-year service for the products provided by K-shaped plate plate gate valve with diversion hole 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: Why choose the K-shaped plate plate gate valve with diversion hole?

A: This valve has a double seal, two-way seal and strengthen the role of mechanical seal, and has the function of full diameter can be cleaned, can be widely used in geothermal steam, oil, natural gas production and transportation, collection pipelines and storage devices, can also be used for gas, acid, alkali and other corrosive media.

 

Q: What tests should be carried out during valve inspection?

A: First, the hydraulic strength test is carried out, and then the air tightness is tested.

 

Q: Nominal pressure is not the maximum working pressure?

A: The maximum allowable working pressure of the valve at the specified reference temperature needs to be checked according to ASME B16.34 and other standards, the allowable maximum working pressure of the pressure part at the corresponding working temperature

 

Q: What is the anti-sulfur valve? What are the special requirements for anti-sulfur materials in API6D?

A: The valve used in the condition of sulfur and hydrogen sulfide is called anti-sulfur valve, and the anti-sulfur material in API6D should meet the requirements of ISO15156.

 

Q: Why do castings need to hit the furnace number? What should be checked when casting is purchased?

A: The role of the batch number is traceability, and the appearance, size, chemical composition and mechanical properties of castings should be checked when they are purchased

 

Q: How to check the antistatic requirements of the valve?

A: 1. After installation can prevent the intrusion of external substances and not by the surrounding medium corrosion.

2. Take a pressure test and switch at least five times the new dry ball valve for typical test, when the power supply voltage does not exceed 12V, the stem, valve body, ball valve anti-static circuit should be less than 10Ω resistance.

 

Q: Name three filler materials and their scope of application.

A: Polytetrafluoroethylene -254~200 degrees, flexible graphite ring -254~650 degrees, graphite asbestos rope ≤600 degrees

 

Q: What is the flow coefficient? What is the difference between Cv and Kv values? How to convert?

A: The flow coefficient indicates the flow rate of the fluid flowing through the valve to produce a unit pressure loss. The difference between Cv and Kv value is that the units are different: Cv (USgal/min), Kv (m3/h), Cv=1.167 Kv

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