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Sep . 02, 2025 20:20 Back to list

Double Flanged Short Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.



Product Overview

The Double Flanged Short Type Butterfly Valve is a critical component in fluid control systems, offering a robust solution for regulating flow in pipelines. Part of the Series F401, this valve is engineered to comply with the BS5155 standard, ensuring compatibility with GB, DIN, BS, and ANSI 125/150 flanges. Its design emphasizes durability, precision, and ease of maintenance, making it a preferred choice for industries requiring reliable fluid control.

Double Flanged Short Butterfly Valve - NINGJIN COUNTY HONGDA VALVE CO.,LTD.
Double Flanged Short Type Butterfly Valve - Advanced Design for Industrial Applications

Key Features and Advantages

The Double Flanged Short Type Butterfly Valve is distinguished by its innovative design and superior performance. Key features include:

  • Robust Construction: The valve's body is constructed from high-quality materials such as cast iron, ductile iron, stainless steel, and carbon steel, ensuring longevity and resistance to corrosion.
  • Enhanced Sealing: A rubber liner is spliced onto the body, providing a more reliable seal. The seat features an O-ring casted on the seal surface, eliminating the need for flange gaskets and reducing maintenance requirements.
  • Flexible Operation: Available with handles, manual gear operators, and electric or pneumatic actuators, this valve offers versatility to suit various operational needs.
  • Global Compatibility: Designed to meet international standards, the valve is compatible with GB, DIN, BS, and ANSI 125/150 flanges, ensuring seamless integration into global systems.

These features make the Double Flanged Short Type Butterfly Valve an ideal choice for industries such as water treatment, chemical processing, and HVAC systems, where reliability and efficiency are paramount.

Technical Specifications

The following tables provide detailed technical specifications of the Double Flanged Short Type Butterfly Valve:

Dimensions List

Size A (mm/inch) B (mm/inch) C (mm/inch) D (mm/inch) E (mm/inch) N-F G (mm/inch) H (mm/inch) J (mm/inch) I-K (mm/inch) L (mm/inch)
50 (2")70/2.76130/5.1232/1.2612.7/0.5120.7/4.754-19125/4.92125/4.924-18/0.714-18/0.71152/5.98
65 (2½")75/2.95140/5.5132/1.2612.7/0.5139.7/5.504-19145/5.71145/5.714-18/0.714-18/0.71178/7.01
80 (3")85/3.35150/5.9132/1.2612.7/0.5152.4/6.004-19160/6.30160/6.304-18/0.718-18/0.71191/7.52
100 (4")104/4.09160/6.3032/1.2615.9/0.63190.5/7.508-19/0.71180/7.09180/7.094-9.5/0.378-18/0.71229/9.02
125 (5")112/4.41180/7.0932/1.2619.1/0.75215.9/8.508-22/0.87210/8.27210/8.274-9.5/0.378-18/0.71254/10.00
150 (6")130/5.12200/7.8732/1.2619.1/0.75241.3/9.508-22/0.87240/9.45240/9.454-9.5/0.378-22/0.87279/11.00

Materials List

Item Part Name Materials
1BodyCast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200; GB12226 HT200; Ductile Cast Iron: ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10; Stainless Steel: ASTM A351 CF8, CF8M; CF3, CF3M; Carbon Steel: ASTM A216 WCB
2StemZinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416;
3Taper PinStainless Steel: ASTM A276 Type 304, Type 316; EN 1.4501;
4SeatNBR, EPDM, Neoprene, PTFE, Viton;
5DiscDuctile Cast Iron (Nickel plated): ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10; Stainless Steel: ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501; AL-Bronze: ASTM B148 C95400;
6O-RingNBR, EPDM, Neoprene, Viton;
7BushingPTFE, Nylon, Lubricated Bronze;
8KeyCarbon Steel

Seat Temperature Ratings

Material NBR Neoprene EPDM Hypalon Viton PTFE
Temperature Ratings (°C)-20~100-40~100-40~120-32~135-12~230-50~200
Temperature Ratings (°F)-4~212-40~212-40~248-25.6~27510.4~446-58~392

Applications and Industries

The Double Flanged Short Type Butterfly Valve is designed to meet the demands of various industrial applications. Its robust construction and versatile design make it suitable for:

  • Water Treatment: Efficiently controlling flow in municipal and industrial water treatment plants.
  • Chemical Processing: Handling corrosive and non-corrosive fluids in chemical manufacturing and processing facilities.
  • HVAC Systems: Regulating air and water flow in heating, ventilation, and air conditioning systems.
  • Power Generation: Managing fluid flow in power plants, including cooling and boiler systems.
  • Oil and Gas: Controlling the flow of hydrocarbons and other fluids in pipelines and processing units.

The valve's compatibility with a wide range of materials and temperatures ensures its suitability for both standard and specialized applications.

Company Background

NINGJIN COUNTY HONGDA VALVE CO.,LTD. is a leading manufacturer of high-quality valves, dedicated to providing innovative solutions for fluid control systems. With a commitment to excellence, the company has established itself as a trusted supplier in the global market. Their product range includes various types of butterfly valves, check valves, and gate valves, each designed to meet international standards and customer requirements.

Based in Ningjin County, China, NINGJIN COUNTY HONGDA VALVE CO.,LTD. leverages advanced manufacturing technologies and rigorous quality control processes to ensure the reliability and performance of their products. The company's dedication to customer satisfaction is reflected in their comprehensive support services, including technical assistance, customization options, and prompt delivery.

For inquiries or to learn more about their products, contact NINGJIN COUNTY HONGDA VALVE CO.,LTD. via email at njhdvlz@163.com or call +86 186 3305 2223.

Conclusion

The Double Flanged Short Type Butterfly Valve from NINGJIN COUNTY HONGDA VALVE CO.,LTD. exemplifies precision engineering and reliability. With its compliance with international standards, robust construction, and versatile applications, this valve is a critical component in modern fluid control systems. Whether in water treatment, chemical processing, or power generation, the valve's performance and durability ensure efficient and safe operations.

For more information about this product or to explore other offerings from NINGJIN COUNTY HONGDA VALVE CO.,LTD., visit their official website or contact their sales team directly.

References

National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov. NIST provides standards and guidelines that ensure the quality and reliability of industrial products, including valves.


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