VINCER Metal Hard Seal Wafer Butterfly Valves
- Size range: 2in to 24in (DN50 to DN600)
- Pressure range: PN10 to PN40
- Working temperature range: -20℃ to +425℃
- Connection: Wafer
- Operation method: Handle or Worm gear type
Technical Parameters
Design and Manufacture | Length of the structure | Connection Flange | Test and Inspection |
GB/T 12238-1989 | GB/T 12221-2005 | GB/T 9113-2000 | JB/T 9092-1999 |
More Details About The Metal Hard Seal Wafer Butterfly Valves
- Dimension
Welcome any inquiries from you!
1. What is a Metal Hard Seal Wafer Type Butterfly Valve?
A Metal Hard Seal Wafer Type Butterfly Valve is a type of butterfly valve that utilizes a metal-to-metal sealing mechanism. It features a wafer design, meaning the valve is sandwiched between two flanges in a pipeline, held in place by long bolts running through the flanges.
2. What are the key features of Metal Hard Seal Wafer Type Butterfly Valves?
- Metal-to-Metal Seal: Offers robust sealing that can handle high pressure and temperature.
- Wafer Design: Compact and lightweight, fitting snugly between pipeline flanges.
- Bidirectional Flow: Capable of controlling flow in both directions.
- Low Operating Torque: Requires minimal force to operate, ensuring ease of use.
- Durability: Highly resistant to wear, corrosion, and abrasion, suitable for harsh environments.
3. What are the benefits of a wafer connection in Butterfly Valves?
- Space Saving: Wafer valves are compact and lightweight, ideal for applications where space is limited.
- Cost-Effective: Typically less expensive than flanged valves due to reduced material requirements.
- Ease of Installation: Simple to install and remove, with fewer bolts needed compared to flanged valves.
- Versatility: Can fit between various flange types, making them compatible with different piping systems.
- Reduced Leakage: The snug fit between flanges minimizes the risk of leaks.
4. What are the benefits of a metal hard seal in Butterfly Valves?
- High Temperature Tolerance: Metal seals withstand higher temperatures than soft seals, suitable for hot gases and fluids.
- Enhanced Longevity: Metal seals resist wear, abrasion, and chemical corrosion, extending the valve’s service life.
- Reliable Sealing: Provides a tight and consistent seal, reducing the risk of leaks even under extreme conditions.
- Fire Resistance: Metal seals do not burn or degrade in fire, enhancing safety in critical applications.
- Low Maintenance: Less prone to deformation and damage, reducing maintenance frequency and costs.
5. What are the typical applications of Metal Hard Seal Wafer Type Butterfly Valves?
These valves are used in various industries and processes, including:
- Chemical Processing: Handling aggressive chemicals and corrosive media in chemical plants.
- Oil and Gas: Managing the flow of hydrocarbons and gases in pipelines and processing facilities.
- Power Generation: Controlling high-temperature steam and water systems in power plants.
- Pulp and Paper: Used in paper mills to control high-pressure steam and chemical flow.
- Water Treatment: Applied in high-pressure water systems and abrasive slurry control.
- HVAC Systems: Regulating air flow and temperature in heating, ventilation, and air conditioning systems.
6. How should I maintain a Metal Hard Seal Wafer Type Butterfly Valve?
- Regular Inspection: Periodically check for signs of wear, corrosion, or damage, focusing on the metal seal and wafer connections.
- Cleaning: Keep the valve clean to prevent debris from affecting performance.
- Lubrication: Use appropriate lubricants to ensure smooth operation, as recommended by the manufacturer.
- Seal Check: Regularly inspect the metal seal for wear or damage and replace it if necessary.
- Tightening Bolts: Ensure the bolts securing the valve between the flanges are properly tightened to maintain a secure fit.
- Actuator Maintenance: If automated, check and maintain the actuator to ensure it operates correctly.
7. What should I do if a Metal Hard Seal Wafer Type Butterfly Valve has a fault?
If a fault occurs, follow these steps:
- Identify the Issue: Determine whether the fault is due to leaks, mechanical failure, or operational issues.
- Isolate the Valve: Shut down the system and isolate the valve to prevent further damage or safety hazards.
- Inspect and Diagnose: Conduct a thorough inspection to diagnose the issue, focusing on the metal seal and wafer connections.
- Repair or Replace: Repair by replacing faulty components or replace the valve if necessary.
- Consult Experts: Seek advice from a valve specialist or manufacturer for complex issues or if unsure about the repair process.
8. What are the selection tips for choosing a Metal Hard Seal Wafer Type Butterfly Valve?
- Understand Application Requirements: Determine the specific needs of your application, including fluid type, pressure, temperature, and flow rate.
- Select Suitable Materials: Choose materials that can withstand the environmental conditions and fluid characteristics.
- Verify Pressure and Temperature Ratings: Ensure the valve can handle the maximum pressure and temperature of your system.
- Check Valve Size and Wafer Compatibility: Confirm that the valve size and wafer dimensions match your pipeline specifications.
- Consider Actuation Needs: Decide if manual operation suffices or if an actuator (pneumatic, electric, or hydraulic) is needed.
- Review Standards Compliance: Ensure the valve meets industry standards and certifications relevant to your application (e.g., ANSI, API, ISO).
9. What are the benefits of using a Metal Hard Seal Wafer Type Butterfly Valve?
- Reliable Performance: Ensures dependable operation even under high pressure and temperature.
- Enhanced Safety: Provides a tight and durable seal, reducing the risk of leaks in critical applications.
- Space Efficiency: Compact wafer design saves space and is easier to handle and install.
- Durability: Resistant to wear, corrosion, and abrasion, suitable for harsh environments.
- Cost Efficiency: Typically more affordable and easier to maintain than flanged valves.
10. Where can I purchase Metal Hard Seal Wafer Type Butterfly Valves?
VINCER is a leading manufacturer of butterfly valves in China. If you have any needs for a hard seal wafer butterfly valve, feel free to contact us at sales@vincervalve.com
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