3-Piece Manual Ball Valves

Three-piece manual ball valve is a valve that controls the flow of fluid by manually rotating the handle 90°. Its valve body is connected by bolts to the left valve body, the right valve body and the middle cavity. The core closing part is a ball with a through hole. It is suitable for working conditions that require frequent opening and closing or high cleanliness requirements.

Three-piece structure: It consists of three parts, which is easy to install, disassemble and maintain, especially suitable for applications that require frequent maintenance or replacement of internal parts.
Manual operation: The ball is driven to rotate by rotating the handle or handwheel, which is simple and convenient to operate.
Bidirectional sealing: It can achieve zero leakage when the medium flows from any direction.
Wide range of applications: It is suitable for the transportation and control of media such as water, steam, and oil products, and is widely used in industries such as petroleum, chemical industry, and electric power.
Low fluid resistance: Its resistance coefficient is equal to that of the pipe section of the same length, so that the resistance is small when the fluid passes through.
Compact structure: small size, light weight, easy to install and transport.

 

3-Piece Manual Ball Valves

 

 Advantages ‌
Easy maintenance: The modular structure improves maintenance efficiency by 80% and supports online replacement of seals; ‌
Reliable sealing: Bidirectional floating seal design, zero leakage after 100,000 openings and closings; ‌
Low flow resistance design: Full-diameter flow channel (flow rate 100%), pressure loss is only 1/3 of the same-caliber gate valve; ‌
Safety redundancy: Fireproof structure (API 607) and anti-static design (resistance <5Ω) ensure the safety of high-risk media.

 Applications ‌
Biopharmaceuticals: Sterile purified water, culture medium delivery pipelines (GMP clean requirements); ‌
Food and beverages: CIP cleaning line, dairy/juice filling system; ‌
Fine chemicals: Acid and alkali solvent metering control, laboratory micro-flow system; ‌
Environmental protection equipment: High-purity water treatment, semiconductor ultrapure water circuit.

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