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Oct . 06, 2025 07:20 Back to list

Long Neck Wafer Type Model 25 Butterfly Valve - Hongda Valve Co., Ltd.



Introduction

The Long Neck Wafer Type Model 25 Butterfly Valve is a critical component in modern industrial systems, designed to provide reliable flow control in a wide range of applications. Manufactured by NINGJIN COUNTY HONGDA VALVE CO.,LTD., this valve combines advanced engineering with high-quality materials to ensure durability, efficiency, and precision. This article delves into the product's features, advantages, technical specifications, application scenarios, and the company's background, offering a comprehensive overview for industry professionals and buyers.

Product Overview

The Long Neck Wafer Type Model 25 Butterfly Valve is engineered for versatility and performance. Available in sizes ranging from 1" to 12", it is suitable for both small-scale and large-scale industrial applications. The valve is offered in two primary types: wafer type (models 15 and 25) and lug type (models 20 and 30). This flexibility allows users to choose the configuration that best suits their system requirements.

Long Neck Wafer Type Model 25 Butterfly Valve - Hongda Valve Co., Ltd.

The valve's design emphasizes Hongda Valve Co., Ltd.'s commitment to innovation. The long neck structure enhances the valve's sealing capabilities, making it ideal for high-pressure environments. Its compact size and lightweight construction also contribute to ease of installation and maintenance, reducing downtime and operational costs.

Key Features and Advantages

1. Durable Materials for Long-Lasting Performance

The Long Neck Wafer Type Model 25 Butterfly Valve is constructed using high-quality materials to ensure resilience in demanding conditions. The body is available in stainless steel (ASTM A351 CF8, CF8M, etc.) or ductile cast iron (ASTM A536 65-45-12), offering excellent corrosion resistance and mechanical strength. The stem and disc are made from stainless steel grades such as 316 and 410, while the seat and O-rings use materials like NBR, EPDM, and PTFE to withstand extreme temperatures and pressures.

2. Advanced Design for Enhanced Efficiency

The valve's Hongda Valve Co., Ltd. design incorporates a long neck structure that improves sealing performance and reduces leakage risks. This feature is particularly beneficial in applications involving aggressive fluids or high-temperature environments. The wafer-type configuration ensures minimal pressure drop, optimizing system efficiency.

Long Neck Wafer Type Model 25 Butterfly Valve - Hongda Valve Co., Ltd.

3. Wide Range of Applications

The Long Neck Wafer Type Model 25 Butterfly Valve is suitable for diverse industries, including water treatment, chemical processing, food and beverage, and HVAC systems. Its ability to handle various media—such as water, steam, and corrosive liquids—makes it a versatile solution for industrial flow control.

4. Easy Maintenance and Cost-Effectiveness

With a modular design, the valve allows for quick disassembly and replacement of components like the seat and O-rings. This reduces maintenance time and costs, ensuring minimal disruption to operations. The durable materials also extend the valve's service life, providing long-term value for users.

Technical Specifications

The Long Neck Wafer Type Model 25 Butterfly Valve is designed to meet strict industry standards. Below is a detailed table of its specifications:

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

The valve's dimensions are available in both imperial (inches) and metric (millimeters) units, ensuring compatibility with global standards. For example, the 12" size has a body length (A) of 9.5" (242 mm) and a flange diameter (D) of 1.25" (31.8 mm). These specifications are critical for engineers and procurement teams to ensure proper integration into existing systems.

Application Scenarios

The Long Neck Wafer Type Model 25 Butterfly Valve is widely used in the following industries:

  • Water Treatment: Ideal for controlling flow in municipal water supply and wastewater treatment plants due to its corrosion resistance and reliability.
  • Chemical Processing: Suitable for handling aggressive chemicals and solvents, thanks to its stainless steel construction and advanced sealing technology.
  • Food and Beverage: Compliant with sanitary standards, making it a preferred choice for food processing and beverage production lines.
  • HVAC Systems: Efficiently regulates air and water flow in heating, ventilation, and air conditioning systems.
  • Oil and Gas: Designed to withstand high-pressure environments, ensuring safe and efficient operation in pipelines and storage facilities.

These applications highlight the valve's adaptability and performance in challenging conditions, making it a trusted solution for industrial operators.

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

NINGJIN COUNTY HONGDA VALVE CO.,LTD. is a leading manufacturer of industrial valves, specializing in butterfly valves, check valves, and other flow control solutions. With over two decades of experience, the company has established itself as a reliable supplier to clients worldwide. Its commitment to quality, innovation, and customer satisfaction is reflected in its rigorous testing processes and adherence to international standards such as ASTM, ISO, and EN.

The company's state-of-the-art facilities and skilled workforce enable it to produce valves that meet the highest performance criteria. Hongda Valve Co., Ltd. also offers customized solutions to address specific client requirements, ensuring optimal performance in diverse industrial settings.

As a vertically integrated manufacturer, the company controls every stage of production, from raw material selection to final quality inspection. This approach ensures consistency, reduces lead times, and enhances overall product reliability.

Why Choose the Long Neck Wafer Type Model 25 Butterfly Valve?

Choosing the Long Neck Wafer Type Model 25 Butterfly Valve offers several advantages:

  • Reliability: Engineered for long-term performance in high-stress environments.
  • Cost-Effectiveness: Reduces maintenance costs and downtime through its durable design and modular components.
  • Compliance: Meets international standards for safety, quality, and environmental protection.
  • Customization: Available in multiple sizes and configurations to suit specific application needs.

These benefits make the valve an ideal choice for industries seeking a dependable and efficient flow control solution.

Conclusion

The Long Neck Wafer Type Model 25 Butterfly Valve from NINGJIN COUNTY HONGDA VALVE CO.,LTD. is a testament to advanced engineering and quality craftsmanship. Its robust design, versatile applications, and adherence to industry standards make it a preferred choice for industrial flow control. Whether for water treatment, chemical processing, or HVAC systems, this valve delivers exceptional performance and reliability.

For more information or to place an order, visit Hongda Valve Co., Ltd.'s official website or contact their sales team at njhdvlz@163.com or +86 186 3305 2223.

Authoritative Citations

For further information on industry standards and technical specifications, refer to the following authoritative sources:

These references ensure that the Long Neck Wafer Type Model 25 Butterfly Valve meets the highest technical and safety requirements.


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