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جولای . 23, 2025 04:01 Back to list

2.5 Inch Butterfly Valve - Durable, Precise Flow Control Solution



NINGJIN COUNTY HONGDA VALVE CO., LTD.
hongdavalve.com  |  Tel: +8618633052223  |  Mobile: +8618633866685  |  Email: njhdvlz@163.com
Address: Development area of Huanmadian, NingJin county, Hebei province, China.

Introduction to Butterfly Valve 2.5 Inch and Key Variants

The **butterfly valve 2.5 inch** plays a critical role in modern fluid control systems. Renowned for its compact design and efficient flow control, it finds applications across multiple industries, from water treatment to pharmaceuticals. Related variants—such as the butterfly valve 2 1 2 inch, butterfly valve 1.5 inch, butterfly valve 1 1 2 inch, 1.5 tri clamp butterfly valve, and 1.5 butterfly valve—further provide specialized options for different technical requirements.

2.5 Inch Butterfly Valve - Durable, Precise Flow Control Solution 2.5 Inch Butterfly Valve - Durable, Precise Flow Control Solution

Industry Developments and Trends

Recent industrial advances demand more reliability and customization in fluid handling components. The 2.5-inch butterfly valve sector is seeing increased adoption of advanced sealing materials, precision machining, and multi-standard compatibility. According to Valve World, the global butterfly valve market is anticipated to reach USD 13.5 billion by 2026, emphasizing the shift toward higher-efficiency, smart-enabled products (Valve World, 2023).

Technical Specifications: Butterfly Valve 2.5 Inch

Parameter Specification Notes
Nominal Size 2.5 inch (DN65) Standard pipe compatibility
Body Material Stainless Steel, Cast Iron, PVC Materials chosen per media & environment
Disc Material Stainless Steel, Ductile Iron Highly resistant to corrosion
Seal Material EPDM, NBR, PTFE Sealing performance ensures zero leakage
Pressure Rating PN10/16, ANSI 150 Suitable for medium & low-pressure systems
Temperature Range -10°C to +120°C (EPDM) Varies with elastomer and body material
Operation Manual, Electric, Pneumatic, Gear Flexible actuation options
End Connection Lug, Wafer, Tri Clamp Industry standard installation

Butterfly Valve Series: Exploring Relative Sizes

  • butterfly valve 2 1 2 inch: Identical to 2.5” valves, representing the same class size per ANSI/DIN.
  • butterfly valve 1.5 inch: Ideal for smaller pipelines in food, beverage, and biotech sectors.
  • butterfly valve 1 1 2 inch and 1.5 butterfly valve: Commonly used interchangeably, especially with 1.5 tri clamp butterfly valve for sanitary installations.

Technical Parameters Trend Analysis

Innovative Product Highlight: Long Neck Lug Type Model 30 Butterfly Valve

Long Neck Lug Type Model 30 Butterfly Valve — The large top flange provides a secure mounting area for actuators. Available with handles, manual gear operators, and electric or pneumatic actuators.
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Main Technical Data: Long Neck Lug Type Model 30 Butterfly Valve

Feature Data Note
Size Range 1 1/2"~12" (DN40~DN300) Full coverage for industrial requirements
Body Material Ductile Iron, WCB, SS304/316 Corrosion and strength suited options
Disc Material CF8/CF8M/Ductile Iron/Nylon Coated Customizable by project
Seat Material EPDM, NBR, PTFE, VITON For chemicals, hot water, food grade
Pressure Rating PN10/PN16/150LB High operational safety margin
Flange Standard EN1092, ANSI 150, JIS 10K International installation flexibility
Operation Lever, Worm Gear, Actuator User friendly & industrial automation

Application Scenarios for Butterfly Valve 2.5 Inch & Related Sizes

  • Water Treatment & Distribution: 2.5" butterfly valves excel in shutoff and throttling operations for medium-diameter pipelines.
  • Food & Beverage: 1.5 tri clamp butterfly valves offer hygienic solutions for process lines, minimizing dead space and facilitating CIP (Clean-In-Place).
  • Pharmaceutical: Compact butterfly valves are indispensable in sterile, cleanroom and small-batch production environments.
  • HVAC & Chemical Industry: butterfly valve 2.5 inch supports accurate flow control and corrosion resistance.
  • Marine & Fire Protection: Rapid operation and reliability are paramount, satisfied by lug type and wafer type butterfly valves.

Why Choose NINGJIN COUNTY HONGDA VALVE CO., LTD.?

As a seasoned manufacturer, NINGJIN COUNTY HONGDA VALVE CO., LTD. inspires confidence through international certifications, in-depth technical expertise, and 24/7 dedicated support. Our engineers guide every stage—from selection to after-sales—ensuring optimal performance and compliance.

Expert Knowledge Q&A: Butterfly Valve Technology

What are the typical body materials for a butterfly valve 2.5 inch?

Most commonly: ductile iron, stainless steel (304/316), WCB carbon steel, and PVC for chemical or potable water lines. [ValveUser.com]

Which seat materials are optimum for chemical resistance?

PTFE and VITON are preferred for aggressive chemicals, while EPDM and NBR are suitable for water/oil service.

How is 1.5 tri clamp butterfly valve different from standard lug/wafer valves?

Tri-clamp types offer cleaner, crevice-free connections, optimized for sanitary processes, unlike traditional bolted installations.

What is the industry standard for sizing: “2.5 inch” vs. “2 1 2 inch”?

They are identical; “2 1 2 inch” is simply an alternative format, both corresponding to DN65 per ISO/ANSI/DIN.

What is the maximum working pressure rating for butterfly valve 2.5 inch?

For leading products such as Model 30, PN16 (16 bar) is standard; special models may reach up to 20 bar.

Can the valve be automated for remote or process control?

Yes. The large flange on the butterfly valve 2.5 inch enables mounting of electric or pneumatic actuators.

Do butterfly valve 1 1 2 inch and 1.5 butterfly valve meet sanitation standards for food/pharma?

When built from SS304/316 with a PTFE seat and tri-clamp connections, they comply fully with FDA, 3A, and GMP norms.

Comprehensive Guide to Selection & Maintenance

  1. Assess Medium: Ensure compatibility with intended liquid/gas, especially considering chemical reactivity and temperature.
  2. Confirm Sizing: Match process flow requirements—refer to butterfly valve 2.5 inch specifications for pipeline fit.
  3. Choose Body & Seat Materials: Balance between corrosion resistance, strength, and process safety.
  4. Consider Installation Standard: Select from lug, wafer, or tri-clamp based on piping scheme and maintenance access.
  5. Maintenance Best Practices: Periodically inspect seals, operate valves to prevent seizing, and ensure actuator calibration.

Conclusion: Partner with NINGJIN COUNTY HONGDA VALVE CO., LTD. for Global-Standard Butterfly Valves

The butterfly valve 2.5 inch and its related variants deliver versatile, cost-effective flow control for sectors demanding safety, reliability, and performance. The Long Neck Lug Type Model 30 Butterfly Valve from NINGJIN COUNTY HONGDA VALVE CO., LTD. epitomizes state-of-the-art engineering—merging robust construction, customizable options, and compliance with industry-leading standards.

For more technical references and application case studies, visit Valve World or access the latest technical proceedings at ASME Digital Valve Collection.

Citations:
[1] Valve World, "Butterfly Valve Market Projections," 2023. https://www.valve-world.net/news-detail?nid=11841
[2] ASME, Valve Technical Papers: https://asmedigitalcollection.asme.org/valveterm


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