Aug . 05, 2025 11:10
Manual Butterfly Valves are essential components in fluid control systems, offering a reliable and cost-effective solution for regulating the flow of liquids and gases. Unlike their automated counterparts, manual butterfly valves rely on **manual operation**, making them ideal for applications where simplicity, durability, and ease of maintenance are critical. This article provides an in-depth analysis of the Manual Butterfly Valve, including its technical specifications, advantages, and real-world applications.
Manual butterfly valves are characterized by their **simple structure**, **lightweight design**, and **ease of installation**. These valves are typically operated using a lever or gear mechanism, allowing users to manually adjust the flow rate without the need for external power sources. This makes them particularly suitable for environments where electrical or pneumatic systems are impractical or cost-prohibitive.
Manual butterfly valves are engineered to meet rigorous industry standards, ensuring compatibility with a wide range of applications. The following table outlines the key technical 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 |
Proper installation is critical to ensuring the optimal performance of manual butterfly valves. The following steps outline the recommended procedure:
For detailed installation instructions, refer to the Manual Butterfly Valve product page.
Manual butterfly valves are widely used in various sectors, including water treatment, HVAC systems, and industrial process control. Their versatility allows them to handle diverse media such as water, steam, and corrosive chemicals. Key applications include:
Founded in Hebei, China, Ningjin Thriveon Valve Co., Ltd. is a leading manufacturer of industrial valves, specializing in Manual Butterfly Valves and related products. With a commitment to quality and innovation, the company adheres to international standards such as API 609 and EN593, ensuring their products meet the highest performance benchmarks. Their expertise in valve technology has made them a trusted partner for industries worldwide.
While manual butterfly valves offer simplicity and cost-efficiency, pneumatic actuated valves provide automated control for complex systems. Key differences include:
For further insights, explore the Gear-Operated Butterfly Valve product line.
Manual butterfly valves are designed to comply with global standards, ensuring safety and performance. The National Institute of Standards and Technology (NIST) plays a pivotal role in establishing measurement standards that underpin the reliability of industrial components. According to NIST, "Precise measurements are fundamental to the development of high-quality valves, as they ensure consistency and interoperability across systems." This emphasis on accuracy aligns with the rigorous testing protocols followed by manufacturers like Ningjin Thriveon Valve Co., Ltd.
A manual butterfly valve is a type of quarter-turn valve operated by a lever or gear mechanism. It is used to regulate flow in pipelines and is characterized by its simple structure and ease of use.
Manual butterfly valves offer cost-effectiveness, compact design, quick operation, and reliability. They are ideal for applications where automated systems are not required.
Manual butterfly valves remain a cornerstone of fluid control systems, offering a balance of performance, affordability, and durability. Their widespread use across industries underscores their importance in modern engineering. For more information on Manual Butterfly Valves and other products, visit Ningjin Thriveon Valve Co., Ltd..
NIST (National Institute of Standards and Technology). (n.d.). https://www.nist.gov/
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