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Manual Butterfly Valve-Ningjin Thriveon|Simple Structure&Lightweight Design

Aug . 17, 2025 01:30

Introduction to Manual Butterfly Valves

Manual butterfly valves are essential components in fluid control systems, offering a reliable and cost-effective solution for regulating flow in pipelines. These valves are operated manually through mechanisms such as levers or gears, making them ideal for applications where automated systems are unnecessary. Unlike pneumatic or electric actuators, manual butterfly valves feature a simple structure, lightweight design, and easy installation, which contribute to their widespread use across industries.

Manual Butterfly Valve-Ningjin Thriveon|Simple Structure&Lightweight Design

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

Key Features and Advantages

Manual butterfly valves are designed to balance performance, durability, and cost-efficiency. Below are the core features that set them apart:

  • Simple Structure: The manual operation mechanism ensures minimal moving parts, reducing maintenance requirements.
  • Lightweight and Compact: Their design allows for easy handling and installation in tight spaces.
  • Cost-Effective: Compared to automated systems, manual valves offer a budget-friendly solution without compromising functionality.
  • Wide Material Compatibility: Available in materials like grey cast iron, stainless steel, and carbon steel, ensuring adaptability to diverse environments.

For a detailed comparison with pneumatic actuator butterfly valves, refer to the FAQ section.

Technical Specifications

Parameter Details
Material 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
Installation Guidelines
  • Space flanges to allow valve passage with the disc in a half-open position.
  • Avoid gaskets between flanges.
  • Install bolts with the disc in a half-open position, tightening after verifying pipeline alignment.

Applications and Industry Use Cases

Manual butterfly valves are versatile and suitable for a wide range of applications, including:

  • Water and Wastewater Treatment: Controlling flow in municipal and industrial water systems.
  • HVAC Systems: Regulating air and fluid flow in heating, ventilation, and air conditioning systems.
  • Chemical Processing: Managing corrosive fluids in chemical plants and refineries.
  • Power Generation: Supporting cooling and lubrication systems in power stations.

For specific applications of manual wafer butterfly valves, visit the product page.

Company Background: Ningjin Thriveon Valve Co., Ltd.

Ningjin Thriveon Valve Co., Ltd. (河北赢达金属管业有限公司) is a leading manufacturer of industrial valves, specializing in manual butterfly valves and other fluid control solutions. With years of experience, the company has established itself as a trusted supplier for clients worldwide. Their commitment to quality and innovation ensures that their products meet the highest industry standards.

Learn more about manual butterfly valve manufacturers and their expertise at the company profile.

Standards and Compliance

Manual butterfly valves from Ningjin Thriveon Valve Co., Ltd. adhere to internationally recognized standards such as API 609 and EN593, ensuring reliability and interoperability in global markets. These standards, developed by organizations like the National Institute of Standards and Technology (NIST), provide frameworks for measuring and testing industrial components. While the NIST website does not directly reference this product, its role in establishing measurement standards is critical for industries relying on precision and consistency.

For more information on NIST standards, visit the official NIST website.

FAQs About Manual Butterfly Valves

1. What is a Manual Butterfly Valve?

A manual butterfly valve is a type of hand-operated valve that uses a lever or gear mechanism to control flow. It is distinct from pneumatic or electric actuator valves, offering a simpler and more cost-effective solution. For details on gear-operated butterfly valves, see the product page.

2. What Are the Advantages of Manual Butterfly Valves?

Manual butterfly valves are easy to install, have a compact design, and are lightweight. Their simple structure reduces the risk of mechanical failure and maintenance costs. These benefits make them ideal for applications where automation is not required.

Conclusion

Manual butterfly valves are a cornerstone of fluid control systems, offering a balance of simplicity, durability, and cost-effectiveness. Whether used in water treatment, HVAC systems, or chemical processing, these valves provide reliable performance across diverse industries. Ningjin Thriveon Valve Co., Ltd. continues to innovate and deliver high-quality solutions that meet global standards.

For further details on manual butterfly valves, visit the product page.



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