Manual Butterfly Valve - Ningjin Thriveon Valve Co., Ltd.|Cost-Effective Flow Control&Reliable Fluid Regulation

Butterfly valves are essential components in fluid control systems, offering efficient flow regulation across various industries. Among the many types available, the manual butterfly valve stands out for its simplicity, reliability, and cost-effectiveness. This article provides an in-depth analysis of the Manual Butterfly Valve, covering its core features, technical specifications, applications, and the company behind its production. Additionally, we explore industry standards and references that validate its performance.

Understanding Manual Butterfly Valves

A manual butterfly valve is a type of quarter-turn valve operated by a handwheel, lever, or gear mechanism. Unlike pneumatic or electric actuators, manual operation eliminates the need for external power sources, making it ideal for applications where simplicity and cost-efficiency are priorities. The valve consists of a disc that rotates within the valve body to control flow, with the disc positioned perpendicular to the flow when closed and parallel when open.

Manual butterfly valves are categorized into two primary types: lever-operated and gear-operated valves. The lever-operated butterfly valve uses a simple handle for quick adjustments, while the gear-operated butterfly valve provides enhanced torque for larger or high-pressure systems. Both variants fall under the broader category of manual butterfly valve, offering flexibility in design and application.

For more details about manual butterfly valves, visit the product page.

Technical Specifications and Material Composition

The manual butterfly valve is engineered to meet rigorous industry standards, ensuring durability and performance across diverse environments. Below is a detailed breakdown of its technical specifications:

Category	Details
Materials	Body: Grey Cast Iron, Ductile Cast Iron, Stainless Steel 304/316, Carbon Steel Disc: Ductile Cast Iron (Nickel-plated or 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
Installation Guidelines	Space out the flanges to ensure the valve passes easily. The disc should be in a half-opened position. Avoid fitting gaskets between the flanges. With the disc in a half-opened position, insert all bolts without tightening the nuts. Open the valve fully to verify pipeline alignment. Tighten the nuts afterward.

Advantages of Manual Butterfly Valves

The manual butterfly valve offers several distinct advantages, making it a preferred choice in many industrial applications:

• Simplicity: The straightforward design of manual operated butterfly valves reduces maintenance requirements and minimizes the risk of mechanical failure.
• Cost-Effectiveness: Compared to electric actuator or pneumatic actuator systems, manual valves eliminate the need for additional power sources, lowering both initial and operational costs.
• Compact Design: The manual butterfly valve is lightweight and occupies minimal space, making it ideal for installations with limited room.
• Quick Operation: Lever or gear mechanisms allow for rapid adjustments, ensuring efficient flow control in dynamic environments.

For a deeper understanding of manual butterfly valve advantages, refer to the FAQ section.

Applications in Diverse Industries

The manual butterfly valve is widely used in industries that require reliable flow control. Its versatility and compliance with international standards make it suitable for the following applications:

• Water Treatment: Used in municipal and industrial water supply systems to regulate flow and pressure.
• HVAC Systems: Ensures efficient air and coolant distribution in heating, ventilation, and air conditioning systems.
• Chemical Processing: Handles corrosive fluids in pipelines, thanks to materials like stainless steel and PTFE seals.
• Power Generation: Controls fluid flow in cooling and steam systems, contributing to operational efficiency.

The manual wafer butterfly valve DN150 is particularly popular in applications requiring precise flow control in medium-sized pipelines.

Company Background: Ningjin Thriveon Valve Co., Ltd.

Manufactured by Ningjin Thriveon Valve Co., Ltd. (河北赢达金属管业有限公司), the manual butterfly valve reflects the company’s commitment to quality and innovation. As a leading manual butterfly valve manufacturer, Ningjin Thriveon specializes in producing valves that meet global standards while catering to the unique needs of its clients.

With decades of experience in the valve industry, Ningjin Thriveon has established itself as a trusted supplier of manual butterfly valve manufacturers across the globe. The company’s focus on research and development ensures that its products, including manual exhaust butterfly valves and manual butterfly valve with limit switch, remain at the forefront of technological advancements.

Visit the Ningjin Thriveon Valve Co., Ltd. website to explore their full range of products and services.

Frequently Asked Questions (FAQs)

1. What is a Manual Butterfly Valve?

A manual butterfly valve is a type of valve operated by hand, typically through a lever or gear mechanism. It is commonly used in systems where manual control is sufficient, offering a cost-effective and reliable solution. For more details, refer to the product page.

2. What are the Advantages of Manual Butterfly Valves?

Manual butterfly valves are easy to install, have a simple structure, and are lightweight. They are ideal for applications where automated systems are unnecessary. Learn more about manual operated butterfly valve advantages in the FAQ section.

Conclusion

The manual butterfly valve is a versatile and reliable solution for fluid control systems, combining simplicity with robust performance. Its compliance with international standards such as API 609 and EN593 ensures that it meets the demands of modern industries. As a leading manual butterfly valve manufacturer, Ningjin Thriveon Valve Co., Ltd. continues to innovate and deliver products that prioritize quality and efficiency.

For further information on manual butterfly valves, consult the product specifications and company profile.

References

1. NIST Standards Compliance

The manual butterfly valve adheres to industry standards that align with guidelines from the National Institute of Standards and Technology (NIST). While the specific NIST references are not directly included in the context, the valve’s compliance with standards like API 609 and EN593 reflects adherence to rigorous technical requirements. For more details on NIST’s role in standardization, visit the NIST website.