Manual Butterfly Valve-Ningjin Thriveon Valve Co., Ltd.|Simple Design&Cost-Effective Solutions

Introduction

Butterfly valves are essential components in fluid control systems, offering efficient flow regulation across various industries. Among the different types of butterfly valves, the **Manual Butterfly Valve** stands out for its simplicity, cost-effectiveness, and ease of installation. This article provides an in-depth analysis of the Manual Butterfly Valve, covering its technical specifications, advantages, applications, and the company behind its production: Ningjin Thriveon Valve Co., Ltd.

Understanding Manual Butterfly Valves

A manual butterfly valve is a type of quarter-turn valve that uses a disc to control the flow of media through a pipeline. Unlike automated systems that rely on actuators, manual valves are operated manually, typically via a lever or gear mechanism. This design simplifies the valve's structure, making it ideal for applications where automation is unnecessary or cost-prohibitive.

According to the product page, manual butterfly valves are categorized into two main types: lever-operated and gear-operated. Both variants are designed for manual operation, allowing users to adjust the valve's position by hand. This manual operation ensures reliability in environments where electrical or pneumatic power sources may not be available.

Key Features and Advantages

The manual butterfly valve is renowned for its straightforward design and practical benefits. Some of its primary advantages include:

• Simple Structure: The absence of complex actuators reduces the likelihood of mechanical failure and simplifies maintenance.
• Compact Design: Manual valves are lightweight and occupy minimal space, making them suitable for installations with spatial constraints.
• Cost-Effective: Compared to electric or pneumatic actuators, manual valves offer a more economical solution without compromising performance.
• Easy Installation: The installation process is straightforward, as highlighted in the installation guidelines.

For detailed installation instructions, refer to the product manual, which outlines steps such as flange alignment, bolt tightening, and verification of pipeline alignment.

Technical Specifications

The manual butterfly valve adheres to international standards for pressure, materials, and applications. Below is a comprehensive table summarizing its key specifications:

Parameter	Details
Materials	Body: Grey Cast Iron, Ductile Cast Iron, Stainless Steel 304/316, Carbon Steel Disc: Ductile Cast Iron (Nickel-plated/Nylon coated), Stainless Steel 304/316, Aluminum Bronze Stem: Stainless Steel 410/416/304/316 Seat: EPDM, BUNA-N, PTFE, Viton, Hypalon, Neoprene, Metal Seated
Pressure Ratings	CLASS 125/150, PN10/16/25, 5K/10K/16K
Standards Compliance	API 609, BS5155, MSS SP-67/68, EN593
Applications	Water supply, sewage treatment, industrial piping, HVAC systems, and chemical processing

Applications and Industry Use Cases

The manual butterfly valve is widely used in industries where flow control is critical. Its versatility allows it to handle various media, including water, gases, and chemicals. Key applications include:

• Water and Wastewater Treatment: Regulating flow in municipal water supply and sewage systems.
• Industrial Piping: Controlling fluid flow in manufacturing processes.
• HVAC Systems: Managing air and coolant flow in heating, ventilation, and air conditioning units.
• Chemical Processing: Ensuring safe and efficient flow of corrosive or hazardous substances.

For more information on industry-specific applications, visit the product page.

Company Background: Ningjin Thriveon Valve Co., Ltd.

As a leading manufacturer of manual butterfly valves, Ningjin Thriveon Valve Co., Ltd. has established itself as a trusted name in the global valve industry. The company specializes in producing high-quality valves that meet international standards, ensuring reliability and durability for diverse applications.

With a focus on innovation and customer satisfaction, Ningjin Thriveon Valve Co., Ltd. has built a reputation for delivering products that combine advanced engineering with cost-effective solutions. Their commitment to quality is reflected in the manual butterfly valve, which is designed to withstand demanding environments while maintaining optimal performance.

To learn more about the company, visit their official website.

Comparing Manual and Pneumatic Actuated Butterfly Valves

While manual butterfly valves are ideal for simple applications, pneumatic actuated butterfly valves offer automated control, making them suitable for complex systems. The key differences include:

• Operation: Manual valves require physical effort, whereas pneumatic actuators use compressed air for operation.
• Maintenance: Manual valves have fewer components, reducing maintenance requirements.
• Cost: Manual valves are generally more affordable, but pneumatic systems offer greater precision in automated settings.

For a detailed comparison, refer to the FAQ section on the product page.

Standards and Certifications

The manual butterfly valve complies with several international standards, ensuring its suitability for global applications. These standards include:

• API 609: A standard for butterfly valves in the oil and gas industry.
• BS5155: British Standard for butterfly valves.
• MSS SP-67/68: Specifications for butterfly valves and their components.
• EN593: European standard for butterfly valves.

These certifications guarantee the valve's quality, safety, and performance in various industrial environments.

Industry Insights and Research

According to the National Institute of Standards and Technology (NIST), precision and reliability are critical in fluid control systems. NIST's research on measurement standards and material science has contributed to the development of high-performance valves like the manual butterfly valve. By adhering to NIST's guidelines, manufacturers ensure that their products meet the highest levels of accuracy and durability.

NIST's work on standards for industrial equipment has also influenced the design and testing of valves, ensuring they can withstand extreme conditions while maintaining optimal functionality.

Frequently Asked Questions (FAQ)

1. What is a Manual Butterfly Valve?

A manual butterfly valve is a type of valve that uses a disc to control flow, operated manually via a lever or gear. It is ideal for applications where automation is not required.

2. What are the Advantages of Manual Butterfly Valves?

Manual butterfly valves offer a simple structure, compact design, and cost-effectiveness. They are easy to install and maintain, making them a popular choice for various industries.

3. What Materials Are Used in Manual Butterfly Valves?

The body, disc, stem, and seat of manual butterfly valves are made from materials such as stainless steel, cast iron, and aluminum bronze, ensuring durability and resistance to corrosion.

Conclusion

The manual butterfly valve is a versatile and reliable solution for flow control in diverse industrial applications. With its simple design, cost-effectiveness, and compliance with international standards, it remains a preferred choice for engineers and technicians. As a manufacturer, Ningjin Thriveon Valve Co., Ltd. continues to innovate and deliver high-quality valves that meet the evolving needs of the market.

References

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

2. Manual Butterfly Valve Product Page. (n.d.). Retrieved from https://www.thriveonvalve.com/manual-butterfly-valve.html

3. Ningjin Thriveon Valve Co., Ltd.. (n.d.). Retrieved from https://www.thriveonvalve.com