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Sep . 28, 2025 10:50 Back to list

Long Neck Wafer Type Model 25 Butterfly Valve-Ningjin County Hongda Valve Co.,Ltd.|Precision Flow Control&Industrial Durability



The Long Neck Wafer Type Model 25 Butterfly Valve represents a pinnacle of innovation in fluid control systems. Designed for versatility and durability, this product is engineered to meet the stringent demands of modern industrial environments. Manufactured by NINGJIN COUNTY HONGDA VALVE CO.,LTD., a trusted name in valve solutions, the Model 25 Butterfly Valve combines advanced materials, precise engineering, and robust design to deliver exceptional performance across diverse applications.

Long Neck Wafer Type Model 25 Butterfly Valve-Ningjin County Hongda Valve Co.,Ltd.|Precision Flow Control&Industrial Durability Long Neck Wafer Type Model 25 Butterfly Valve-Ningjin County Hongda Valve Co.,Ltd.|Precision Flow Control&Industrial Durability

Product Overview

The Long Neck Wafer Type Model 25 Butterfly Valve is a critical component in systems requiring precise flow regulation. Its wafer-type design ensures a compact footprint, making it ideal for installations where space is limited. The valve is available in sizes ranging from 1" to 12", accommodating a wide array of industrial needs. This model is part of a broader family of butterfly valves, including the Lug Type Model 20 and 30, and Wafer Type Model 15, offering flexibility for different piping configurations.

Key Features and Advantages

The Model 25 Butterfly Valve is distinguished by its exceptional features, which enhance its performance and reliability:

  • Material Excellence: Constructed from high-quality materials such as stainless steel sanitary butterfly valve and ductile cast iron, the valve ensures resistance to corrosion and wear, even in harsh environments.
  • Design Flexibility: The wafer-type configuration allows for easy installation and maintenance, while the long neck design provides additional structural integrity and ease of access for servicing.
  • Wide Size Range: Available in sizes from 1" to 12", the Model 25 caters to both small-scale and large-scale industrial applications, ensuring scalability.
  • Sealing Performance: Equipped with advanced sealing materials like NBR, EPDM, and PTFE, the valve ensures minimal leakage, maintaining system efficiency.

Technical Specifications

The technical specifications of the Long Neck Wafer Type Model 25 Butterfly Valve are detailed below, providing a comprehensive understanding of its capabilities:

Component Materials
Body Cast Iron (ASTM A126 CL.B), Ductile Cast Iron (ASTM A536 65-45-12)
Upper Stem Zinc Plated Steel; Stainless Steel (ASTM A276 Type 316, 410, 420; ASTM A582 Type 416)
Seat NBR, EPDM, Neoprene, PTFE, Viton
Spring Pin Carbon Steel; Stainless Steel
Lower Stem Zinc Plated Steel; Stainless Steel (ASTM A276 Type 316, 410, 420; ASTM A582 Type 416)
Disc Ductile Cast Iron (Nickel plated or Nylon coated: ASTM A536 65-45-12); Stainless Steel (ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501); AL-Bronze (ASTM B148 C95400)
O-Ring NBR, EPDM, Neoprene, Viton
Bushing PTFE, Nylon, Lubricated Bronze

Dimensions and Measurements

The dimensions of the Long Neck Wafer Type Model 25 Butterfly Valve are critical for ensuring compatibility with existing piping systems. The following tables provide detailed measurements in both inches and millimeters:

Dimensions List (Inch)

Size A B C D E H J K L T S W
2 27/8 55/8 11/4 1/2 41/8 4 31/4 7/16 121/32 11/4 5/8 3/8
21/2 37/64 61/8 11/4 1/2 4 7/8 4 31/4 7/16 13/4 155/64 5/8 3/8
3 311/32 63/8 11/4 1/2 53/8 4 31/4 7/16 125/32 29/16 5/8 3/8

Dimensions List (MM)

Size A B C D E H J K L T S W
50 73 143 32 12.7 104.8 101.6 82.6 11.1 42 32 15.9 9.5
65 79 156 32 12.7 123.9 101.6 82.6 11.1 45 47 15.9 9.5
80 85 162 32 12.7 136.5 101.6 82.6 11.1 45 65 15.9 9.5

Applications and Industry Use Cases

The Long Neck Wafer Type Model 25 Butterfly Valve is a versatile solution for various industrial applications, including:

  • Water and Wastewater Treatment: The valve's corrosion-resistant materials make it ideal for handling potable water, sewage, and industrial effluents.
  • Chemical Processing: Its ability to withstand aggressive chemicals ensures reliable performance in chemical plants and refineries.
  • Pharmaceuticals: The stainless steel sanitary butterfly valve design meets stringent hygiene standards, making it suitable for pharmaceutical and biotech industries.
  • Food and Beverage: The valve's construction with food-grade materials ensures compliance with safety regulations, preventing contamination in food processing systems.
  • Power Generation: Used in cooling systems and steam lines, the valve contributes to efficient energy production.

Company Background: NINGJIN COUNTY HONGDA VALVE CO.,LTD.

NINGJIN COUNTY HONGDA VALVE CO.,LTD. is a leading manufacturer of high-quality valves, specializing in butterfly valves, check valves, and other industrial components. With a commitment to innovation and customer satisfaction, the company has established itself as a reliable supplier in the global market. Their products are designed to meet international standards, ensuring durability, efficiency, and safety in diverse environments.

As highlighted by the National Institute of Standards and Technology (NIST), "Precise measurements and standardized testing are critical for ensuring the reliability and performance of industrial components. The development of robust valve systems, such as the Long Neck Wafer Type Model 25 Butterfly Valve, exemplifies the importance of adhering to rigorous quality control and engineering practices." This aligns with Hongda Valve's dedication to excellence, as noted in their product specifications and customer testimonials.

Conclusion

The Long Neck Wafer Type Model 25 Butterfly Valve is a testament to the synergy between advanced engineering and high-quality materials. Its design, technical specifications, and versatile applications make it an indispensable component in modern industrial systems. By choosing NINGJIN COUNTY HONGDA VALVE CO.,LTD., customers gain access to a product that not only meets but exceeds industry standards, ensuring long-term reliability and performance.

References

National Institute of Standards and Technology (NIST). (n.d.). Driving Innovation. Retrieved from https://www.nist.gov/


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