The G-Series W-type all-welded body line ball valve, developed by SNJ, is engineered to comply with US ANSI standards and API6D specifications. This advanced design features a fixed ball structure, which has been meticulously optimized through detailed engineering and finite element analysis (FEA). The manufacturing process leverages CNC machining centers for precision, along with refined welding techniques and rigorous process evaluations, ensuring high-quality production. Every stage of the design and fabrication adheres strictly to a comprehensive quality assurance system, guaranteeing consistent performance and long-term reliability. The successful development of this fully welded valve body ball valve marks a significant breakthrough, breaking the technological dominance previously held by foreign manufacturers. It not only enhances the technical innovation capabilities of domestic valve companies but also strengthens their independent R&D capacity. This achievement plays a vital role in advancing the localization of critical pipeline equipment and elevates the overall design and manufacturing standards of ball valves within China. The product was officially appraised at the "New Product Production Appraisal Meeting" hosted by the China Machinery Industry Federation. It has received official certification, confirming that the comprehensive technology behind the "fully welded valve body pipeline ball valve" is among the best domestically, with its design and manufacturing reaching international advanced levels. Additionally, the product is protected by independent intellectual property rights. This all-welded ball valve has been successfully applied in several major projects, including the Yangzhou City Gas project, the Sinopec Shijiazhuang-Taiyuan Crude Oil Pipeline, the PetroChina Lanzhou-Yinchuan Gas Pipeline, and the CNOOC Zhongshan LNG Utilization Project. Its wide application demonstrates its reliability, performance, and suitability for demanding industrial environments. With continuous improvements and real-world validation, this product is setting new benchmarks for the global valve industry.

Spare Parts

1. Based on Plate Corrugation Patterns

1.1 Chevron Pattern Plates

  • Features: Fishbone-like corrugations creating turbulence for enhanced heat transfer.
  • Benefits: High thermal efficiency, widely applicable.
  • Applications: HVAC systems, chemical processing, food and beverage industries.

1.2 Horizontal Pattern Plates

  • Features: Parallel corrugations offering low-pressure drops.
  • Benefits: Reduced fluid resistance, suitable for low-viscosity fluids.
  • Applications: Cooling water systems, general heat transfer processes.

1.3 Dimpled Pattern Plates

  • Features: Raised dimpled surfaces to handle viscous or particle-laden fluids.
  • Benefits: Reduced clogging, withstands high pressure.
  • Applications: Pulp and paper industries, petroleum refineries.

2. Based on Plate Purpose

2.1 Standard Plates

Designed for general-purpose use, balancing heat transfer and pressure resistance.

2.2 High-Pressure Plates

Thicker plates built for systems handling high-pressure fluids, like steam or oil.

2.3 Double-Wall Plates

Double-layered plates prevent cross-contamination, ideal for sensitive industries like food processing or pharmaceuticals.

2.4 Semi-Welded Plates

Partially welded to handle corrosive fluids or gases in industrial applications.

3. Based on Plate Material

3.1 Stainless Steel Plates

  • Corrosion-resistant and durable, ideal for water treatment, food, and pharmaceutical applications.

3.2 Titanium Plates

  • Suitable for highly corrosive environments, such as seawater cooling or chemical processing.

3.3 Hastelloy Plates

  • Exceptional resistance to harsh chemicals, perfect for extreme conditions.

3.4 Copper or Nickel Alloy Plates

  • Excellent thermal conductivity, commonly used in marine applications and high-efficiency systems.

4. Based on Plate Design Characteristics

4.1 Short Flow Plates

Engineered for systems with uneven flow distribution, balancing efficiency on both sides.

4.2 Long Flow Plates

Designed for high flow rates with minimal pressure drops.

4.3 Symmetrical Plates

Ideal for applications with balanced flow rates on both sides of the heat exchanger.

4.4 Asymmetrical Plates

Specially crafted for scenarios where one side has a significantly lower flow rate.

Conclusion

Selecting the right type of plate for a plate heat exchanger is critical for optimizing performance, efficiency, and longevity. Each plate type is tailored to specific needs, from handling high-pressure fluids to resisting corrosive environments, ensuring reliable operation in diverse applications.

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Siping Juyuan Hanyang Plate Heat Exchanger Co., Ltd , https://www.tj-heatexchange.com