China Customized Locking Ball Valve Manufacturers Suppliers Factory - Made in China

Your Professional Locking Ball Valve Supplier

Our goal is to become your true partner in the field of air release valve in China. Zhejiang Yuanlun Valve Co., Ltd. has become a professional manufacturer of HVAC valves integrating design and development, production and processing, and sales and trade, as well as a modern enterprise with scientific management. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

Brass Magnetic Locking Ball Valve
Place of origin: China
Brand name: Yunnl
Product Name：Brass magnetic locking ball valve
Size: DN15-DN50
Minimum Order Quantity:...
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Brass Mechanical Lock Ball Valve
Place of origin: China
Brand name: Yunnl
Product Name：Brass mechanical lock ball valve
Size: DN15-DN50
...
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Why Choose Us

Our certificates: Our company has successively obtained ISO9001 quality management system certification, ISO14001 environmental management certification, occupational health and safety management certification, national authority-quality inspection qualified product certification, multiple utility model patents, design patents, EU CE certification and other certificates.

Production market: Our company actively expands domestic and foreign markets, and its products are exported to Europe, America, the Middle East and other regions, winning wide recognition from domestic and foreign customers.

Production equipment: Our company's production equipment includes special machine tools for gate valve sealing surfaces, five-station turntable special, large CNC lathes, four-station turntable special machines, three-station turntable special machines, center hole processing machines, eight-station rotary table machine tools, etc.

Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Advantages of Locking Ball Valve

Enhanced safety

Prevents accidental operation and ensures compliance with safety protocols.

Leak prevention

Reduces the risk of leaks caused by unauthorized adjustments.

Operational control

Allows for precise flow management and system integrity.

Versatility

Suitable for handling a wide range of fluids, including gases, liquids, and slurries.

Cost-effective

Minimizes downtime and maintenance costs by ensuring reliable operation.

Types of Locking Ball Valve

Manual locking ball valves: In manual locking ball valves, the lock system is operated manually by having a key or lever to control the flow. Such valves are especially considered when flow control accuracy and security are extremely necessary.

Electric locking ball valves: For electric locking ball valves, the flow is regulated electronically through an electric locking mechanism. Such valves come into play in applications that need for remote operation or automated flow control.

Pneumatic locking ball valves: In pneumatic locking ball valves, the locking mechanism is operated. These valves are very suitable for high-speed operations and are frequently used in industries to automate processes.

Hydraulic locking ball valves: Locking ball valves are operated hydraulically using the hydraulic fluid locking mechanism. Such valves are common in heavy-duty applications where high pressure is involved.

Solenoid locking ball valves: Locking ball valves have electromagnetic locking mechanisms that engage and disengage the lock with an electrical pulse. Such valves are mostly used in industries where quick and precise control is necessary.

Specification of Locking Ball Valve

Product name	Locking ball valve
Nominal Pressure	1.6 MPa
Applicable Media	Water, oil, gas, air, and non-corrosive gases/liquids.
Temperature Range	5°C to 90°C
Connection Methods	Pipe threads (compliant with ISO 228 standard) or flanged connections, accommodating pipe diameters from DN15 to DN100.
Sealing Performance	The sealing test pressure for hydraulic/pneumatic sealing is 1.1 times the nominal pressure, while the strength test pressure is 1.5 times the nominal pressure.

Features of Locking Ball Valve

Mechanical locking and anti-theft performance: Operated by special keys or tools (some models support customized key coding), preventing unauthorized flow adjustment or misoperation. Widely used in public facilities (e.G., district heating pipelines, municipal water supply systems).

Anti-pry lock cylinder: The lock cylinder can be designed with anti-pry structures to enhance security.

Smooth operation: The handle requires low rotation torque for easy switching (some models are equipped with extended handles, suitable for space-constrained scenarios).

Easy maintenance: The union-type structure allows the entire valve to be disassembled without damaging the pipeline, enabling internal component maintenance (such as replacing seals) and reducing maintenance costs.

Application of Locking Ball Valve

Chemical processing

These valves control the flow of chemicals through pipelines in the chemical processing industry. Due to their locking mechanism, only authorized employees can operate them, allowing the risky chemicals to flow safely.

Oil and gas industry

In the oil and gas exploration and production industries, locking ball valve key goes a long way to keeping the valve secure. They keep the fluids flowing through the pipelines, and the security helps to minimize the theft and sabotage of the natural resources.

Water and wastewater treatment

The locked ball valves control the water and the wastewater flow in the municipal treatment plants. Their sealing also ensures that there is no leakage and that the work is done under high pressure or vacuum conditions.

Pharmaceuticals

Dummy key locking ball valves are widely used in the pharmaceutical industry to control the drug flow in pipelines and processing equipment.

Food and beverages

Beverages and food processing industries also use locking ball valves with key for flow control. Because of their ability to withstand high temperatures and corrosive cleaning chemicals, they are ideal for this industry, besides the secure operation.

Locking Ball Valve Components

Locking holes

Enable secure locking in open or closed positions.

Stopper

Prevents handle misalignment and ensures positional accuracy.

Stuffing gland

Reinforces sealing to prevent leaks under high pressure or vibration conditions.

Packing and Shipping of Locking Ball Valve

Packing	Wooden box
Shipping	Shipped by road, sea, rail

FAQ

Q: What is the importance of the locking mechanism in the locking ball valves?

A: The locking mechanism helps to restrict unauthorized access to the valve, hence improving safety in arguably application. It also prevents accidental or intentional operation, which makes locking ball valves very essential for flow control security in the industries.

Q: What materials are locking ball valves made from?

A: Valve manufacturers use corrosion-resistant materials, such as stainless steel, brass and carbon steel, to make locking ball valves. Because of these materials, the valves are durable and withstand the harsh environment encountered in oil, chemical and water processing industries.

Q: How to decide the right locking ball valve size for an industry?

A: Based on the flow requirements and the customers' pipeline diameter, the locking ball valve size will be determined. The pressure will flow smoothly across the valve if the valve is sized correctly, but if the size is wrong, it will lead to inefficiencies and potentially dangerous conditions.

Q: When should electro-hydraulic locking ball valves be applied?

A: In those automated processes that require precise control, electro-hydraulic locking ball valves are very common. Because these valves provide advanced control methods, they are ideal for industries where remote operation or quick response time is required.

Q: How do the sealing systems in these valves work?

A: These sealing systems work by ensuring that the internal valve is tight to avoid any fluid or gas escape. PTFE or elastomers are advanced sealing technologies that enhance sealing performance and increase the lifespan of the locking ball valve.

We're professional locking ball valve manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale locking ball valve for sale here from our factory. Contact us for free sample.

lockable ball valve handle, 1 - inch brass mechanical lock ball valve