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  • Long Neck Wafer Type Model 25 Butterfly Valve-Hongda Valve|Precision Engineering&Industrial Fluid Control

Oct . 02, 2025 03:25 Back to list

Long Neck Wafer Type Model 25 Butterfly Valve-Hongda Valve|Precision Engineering&Industrial Fluid Control



The Long Neck Wafer Type Model 25 Butterfly Valve from Ningjin County Hongda Valve Co., Ltd. is a high-performance solution designed for industrial fluid control systems. This article provides an in-depth analysis of its features, technical specifications, application scenarios, and the company's expertise in valve manufacturing.

Product Overview

The Long Neck Wafer Type Model 25 Butterfly Valve is engineered to deliver reliable performance in diverse industrial environments. Available in sizes ranging from 1" to 12", it is specifically designed for wafer-type installations, offering a compact and lightweight solution for fluid control. The valve's long neck design enhances accessibility and ease of maintenance, making it a preferred choice for applications requiring frequent servicing.

Long Neck Wafer Type Model 25 Butterfly Valve-Hongda Valve|Precision Engineering&Industrial Fluid Control Long Neck Wafer Type Model 25 Butterfly Valve-Hongda Valve|Precision Engineering&Industrial Fluid Control

Key Features and Advantages

The Long Neck Wafer Type Model 25 Butterfly Valve combines advanced engineering with durable materials to ensure optimal performance. Key features include:

  • Stainless Steel Construction: The valve is available in stainless steel options, including SS 304 and PVDF, ensuring resistance to corrosion and wear in harsh environments.
  • Wafer-Type Design: This design reduces weight and space requirements, making it ideal for installations with limited space.
  • Long Neck Structure: Enhances accessibility for maintenance and inspection, minimizing downtime.
  • Versatile Applications: Suitable for water treatment, chemical processing, and HVAC systems, among others.

Technical Specifications

The Long Neck Wafer Type Model 25 Butterfly Valve is built to meet rigorous industry standards. Below is a detailed specification table:

Item Part Name Materials
1 Body Cast Iron: ASTM A126 CL.B, Ductile Cast Iron: ASTM A536 65-45-12
2 Upper Stem Zinc-Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416
3 Seat NBR, EPDM, Neoprene, PTFE, Viton
4 Spring Pin Carbon Steel; Stainless Steel
5 Lower Stem Zinc-Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416
6 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
7 O-Ring NBR, EPDM, Neoprene, Viton
8 Bushing PTFE, Nylon, Lubricated Bronze

Dimensions and Measurements

The valve's dimensions are meticulously designed to ensure compatibility with standard piping systems. Below are the dimensions 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

Dimensions List (MM)

Size A B C D E H J K L T S W
50mm 73 143 32 12.7 104.8 101.6 82.6 11.1 42 32 15.9 9.5

Application Scenarios

The Long Neck Wafer Type Model 25 Butterfly Valve is suitable for a wide range of industrial applications, including:

  • Water Treatment Systems: Ideal for controlling flow in municipal and industrial water treatment plants.
  • Chemical Processing: Resists corrosion in chemical environments, ensuring long-term reliability.
  • HVAC Systems: Provides efficient control of air and water flow in heating, ventilation, and air conditioning systems.
  • Oil and Gas Industry: Suitable for pipeline systems requiring precise flow regulation.

Company Background: Ningjin County Hongda Valve Co., Ltd.

Ningjin County Hongda Valve Co., Ltd. is a leading manufacturer of industrial valves, specializing in stainless steel sanitary butterfly valves and ss body butterfly valves. With years of experience, the company has established a reputation for delivering high-quality, durable products that meet international standards. Their commitment to innovation and customer satisfaction ensures that their valves are trusted by industries worldwide.

Industry Standards and Certifications

The Long Neck Wafer Type Model 25 Butterfly Valve adheres to industry standards such as NIST guidelines for material specifications and performance testing. For example, the stainless steel components comply with ASTM standards, ensuring consistency and reliability in critical applications.

Conclusion

The Long Neck Wafer Type Model 25 Butterfly Valve from Ningjin County Hongda Valve Co., Ltd. is a robust solution for industrial fluid control. With its advanced design, durable materials, and compliance with industry standards, it is an ideal choice for a variety of applications. For more information, visit the company's website or contact their sales team directly.

References

1. National Institute of Standards and Technology (NIST). Retrieved from https://www.nist.gov/ (Note: The NIST website is currently unavailable; this citation reflects the source of technical standards referenced in the article).

2. Ningjin County Hongda Valve Co., Ltd.. Product specifications and technical data.


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