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  • Long Neck Wafer Type Model 25 Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.|Precision Engineering&Industrial Applications

Sep . 28, 2025 00:35 Back to list

Long Neck Wafer Type Model 25 Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.|Precision Engineering&Industrial Applications



The Long Neck Wafer Type Model 25 Butterfly Valve by NINGJIN COUNTY HONGDA VALVE CO.,LTD. represents a pinnacle of innovation in fluid control systems. Designed for versatility and durability, this valve is engineered to meet the stringent demands of modern industrial environments. Below, we delve into its core functionalities, technical specifications, and the company's commitment to quality.

Long Neck Wafer Type Model 25 Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.|Precision Engineering&Industrial Applications

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Product Overview

The Long Neck Wafer Type Model 25 Butterfly Valve is a critical component in piping systems, offering efficient flow regulation and reliable sealing. Available in sizes ranging from 1" to 12", it caters to a wide array of applications, including water treatment, chemical processing, and HVAC systems. Its wafer-type design ensures a compact footprint, while the long neck configuration enhances accessibility for maintenance and inspection.

Long Neck Wafer Type Model 25 Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.|Precision Engineering&Industrial Applications

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Key Features and Advantages

  • Material Excellence: Constructed from high-grade materials such as cast iron, ductile iron, and stainless steel (ASTM A276 Type 316, ASTM A536 65-45-12), the valve ensures resistance to corrosion and wear. The use of NBR, EPDM, and PTFE seals further enhances its performance in diverse environments.
  • Technical Precision: The valve adheres to strict dimensional standards, as outlined in the NIST guidelines, ensuring compatibility with global piping systems.
  • Cost-Effectiveness: With a competitive ss butterfly valve price, it provides exceptional value without compromising on quality.
  • Customization Options: Available in multiple configurations, including ss 304 butterfly valve and pvdf butterfly valve, it accommodates specific application requirements.

Technical Specifications

Item Part Name Materials
1 Body Cast Iron: ASTM A126CL. 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 Standards

The valve's dimensions are meticulously designed to align with international standards. Below is a sample of the NIST-compliant measurements:

Size A (Inch) B (Inch) C (Inch) D (Inch) E (Inch) H (Inch)
2" 27/8 55/8 11/4 1/2 41/8 4
12" 917/32 123/16 11/2 11/4 161/8 6

Applications and Industry Use

The Long Neck Wafer Type Model 25 Butterfly Valve is widely used in industries such as:

  • Water Treatment: For regulating flow in municipal and industrial water systems.
  • Chemical Processing: Resisting corrosive substances with its stainless steel construction.
  • HVAC Systems: Ensuring efficient airflow control in commercial and residential buildings.
  • Food and Beverage: Meeting hygiene standards with sanitary designs.

Company Background

NINGJIN COUNTY HONGDA VALVE CO.,LTD. is a leading manufacturer of industrial valves, renowned for its commitment to quality and innovation. With over two decades of experience, the company has established itself as a trusted supplier to global clients. Their product range includes lug type butterfly valve and wafer type butterfly valve, each engineered to meet the highest industry standards.

Conclusion

The Long Neck Wafer Type Model 25 Butterfly Valve exemplifies the synergy of advanced engineering and material science. Its robust design, coupled with the expertise of NINGJIN COUNTY HONGDA VALVE CO.,LTD., makes it an indispensable asset for modern industrial operations. For more information, visit the product page or contact the company directly.

References

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


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