High Pressure Sealing Gate Valve

Technical Specifications  
- Design & Manufacturing Standard: API 600  
- Face-to-Face Standard: ASME B16.10 / API 6D  
- Flanged Ends Standard: ASME B16.5 / MSS-SP-44 / ASME B16.47 / ASME B16.25  
- Testing & Inspection Standard: API 598 / API 6D  

Product Range  
- Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Monel, Duplex, Inconel  
- Size Range: 1/2" – 60"  
- Pressure Rating: Class 900 – Class 2500  
- End Connection Options: RF, RTJ, BW  
- Operating Temperature: -46°C to +560°C  
- Operation Modes: Handwheel, Gearbox, Electric, Pneumatic  

Key Features & Advantages  

1. Advanced Pressure Seal Bonnet  
The High Pressure Sealing Gate Valve incorporates a self-sealing bonnet design, which enhances joint integrity. Unlike traditional bolted bonnet joints, the pressure within the valve strengthens the seal, making it more reliable under high-pressure conditions.  

2. Compact and Rigid Structure  
By eliminating the need for a bolted bonnet, the High Pressure Sealing Gate Valve has a more compact design, reducing weight while maintaining good strength. This structural efficiency makes it ideal choice for tight installation spaces and high-performance requirements.  

3. High-Temperature Resistance  
Designed to withstand to the limit temperatures, this valve maintains sealing integrity even when exposed to thermal expansion. Its ability to resist temperature fluctuations prevents disc wedging, ensuring smooth and continuous operation.  

4. Full Stellite Overlay Seat for Enhanced Durability  
The sealing surface of the High Pressure Sealing Gate Valve features a full stellite overlay, significantly improving wear resistance and extending service life. This feature ensures reliable sealing, even under high-pressure flow conditions.  

5. Flexible Wedge for Tight Sealing  
Equipped with a flexible wedge, the valve effectively adapts to pressure variations and thermal expansion, preventing internal leakage. This design enhances sealing performance and extends the operational lifespan of the valve.  

6. Full Wedge Guiding Design  
The High Pressure Sealing Gate Valve features a full wedge guiding design, ensuring smooth operation and proper alignment during opening and closing. This relatively small friction and reduces potential damage to internal components.  

7. Absolute Leak-Proof Bonnet Joint  
One of the outstanding benefits of this valve is its absolutely leak-proof bonnet joint, which provides good reliability compared to bolted bonnet designs. This feature makes it particularly suitable for applications where leak prevention is critical.  

8. Optional Bypass Design  
For enhanced pressure balance and ease of operation, the High Pressure Sealing Gate Valve can be equipped with an optional bypass system. This design reduces the opening torque required and improves overall efficiency in high-pressure environments.  

Applications  
The High Pressure Sealing Gate Valve is widely used in industries requiring high-pressure and high-temperature performance, including:  
- Fossil fuel power plants  
- Oil and gas refineries  
- Petrochemical processing  
- Steam pipelines  
- High-pressure water systems  
- Industrial manufacturing facilities  

The High Pressure Sealing Gate Valve is the best choice for demanding industrial applications, offering enhanced durability, good sealing, and reliable high-pressure performance. Its self-sealing bonnet design, flexible wedge, and stellite overlay seat ensure long-term functionality with the smallest maintenance.