Mini-Ball Valves

$ 17.64$ 36.23


Mini-Ball Valves are compact and versatile valves that find extensive applications in various industries and systems.  With their small size and powerful functionality, they offer precise control and shut-off capabilities in tight spaces.  In this article, we will explore the features, benefits, and applications of mini-ball valves.

Mini-Ball Valves are typically made of high-quality materials such as brass, stainless steel, or PVC (Polyvinyl Chloride).  Moreover, these materials make the valves resistant to corrosion, which ensures their durability and long service life.  Additionally, the use of such materials also allows the valves to withstand high temperatures and pressures, contributing to their reliability in demanding environments.


One of the primary features of mini-ball valves is their compact size.  Also, these valves are specifically designed to fit in tight spaces where larger valves may not be suitable.  Their smaller dimensions make them ideal for applications such as plumbing systems, HVAC systems, water treatment plants, industrial equipment, and laboratory setups.

A key component of Mini-Ball Valves is the ball itself, which has a hole through its center. This ball forms the main mechanism for controlling the flow of fluids or gases.  When the handle of the valve is turned, the ball rotates within the valve body, either allowing or blocking the flow.  This simple yet effective design enables quick and precise control of the flow rate.


Mini-ball valves offer several benefits to users.  Firstly, their compact size allows for easy installation in confined spaces, making them highly versatile.  Secondly, their simple design results in minimal resistance to flow, reducing pressure drop and optimizing overall system performance.  Thirdly, their reliable shut-off capabilities ensure minimal leakage and prevent potential system damage.

These valves are typically available in various types, such as two-way and three-way configurations.  Two-way mini-ball valves have two ports, known as the inlet and outlet, allowing for straight-through flow.  On the other hand, three-way Mini-Ball Valves have three ports, enabling diversion or mixing of flow as required.  Finally, the versatility of these configurations makes them suitable for a wide range of applications.

In terms of operation, mini-ball valves are manual valves, meaning they are operated by hand.  The valve handle can be turned clockwise or counterclockwise to open or close the valve.  The handle position indicates the status of the valve, providing a visual indication of whether the valve is fully open, fully closed, or in an intermediate position.


The compact size and versatility of mini-ball valves make them suitable for various applications.  In plumbing systems, they can be used to control the flow of water in residential, commercial, and industrial settings.   HVAC systems and mini-ball valves enable precise control of coolant or refrigerant flow.  In water treatment plants, these valves are utilized to regulate the flow of chemicals or fluids.  Finally, they are also commonly used in laboratories for controlling the flow of gases and liquids.

It is important to note that the specifications and features of mini-ball valves can vary depending on the manufacturer and the intended application.  Besides, it is recommended to consult the product documentation or contact the manufacturer for detailed information regarding specific valve models.

In conclusion, mini-ball valves are compact, reliable, and versatile valves that offer precise control and shut-off capabilities in tight spaces.  Moreover, they are commonly used in plumbing systems, HVAC systems, water treatment plants, industrial equipment, and laboratory setups.  With their durable construction and efficient operation, mini-ball valves provide an essential component for various applications requiring fluid or gas flow control.

Various Types

There are several different types of mini-ball valves available, each designed to suit specific applications and requirements.  Here are some of the common types:

Two-Way Mini Ball Valves

These valves have two ports, an inlet, and an outlet, allowing for straight-through flow. They are widely used for on/off control applications, such as in plumbing systems or fluid transfer applications.

Three-Way Mini-Ball Valves

As the name suggests, these valves have three ports, enabling diversion or mixing of flow. They are commonly used in applications where the flow direction needs to be switched, or where two different fluid streams need to be combined or separated.

Mini-Ball Valves with Extended Handles

These valves feature extended handles that provide better leverage, making them easier to operate in confined spaces or applications where manual dexterity is limited.

Mini-Ball Valves with Locking Handles

These valves are equipped with handles that can be locked in position, allowing for hands-free operation.  Furthermore, this feature is beneficial in situations where the valve needs to remain open or closed without the risk of accidental operation.

Mini-Ball Valves with T-handles

T-handle mini ball valves have a unique handle shape resembling the letter “T”.  As well as that, this design also provides a comfortable grip and allows for quick and easy operation, making them suitable for applications that require frequent valve adjustments.

Mini Ball Valves with L-Port or T-Port Configurations

These specialized valves have three-way configurations with unique ball shapes.  L-port valves have an “L” shaped hole through the ball, enabling flow diversion between two ports or simultaneous flow through two ports.  In addition to this, T-port valves have a “T” shaped hole through the ball, enabling flow diversion between three ports or a combination of flow through two ports.

Mini Ball Valves with Panel Mounting

Some mini-ball valves are designed for panel mounting applications.  Also, they typically feature a mounting bracket that allows for easy installation on control panels, cabinets, or other surfaces.

Mini Ball Valves with Pneumatic or Electric Actuators

In addition to manual operation, some mini-ball valves can be fitted with pneumatic or electric actuators.  These actuators allow for remote or automated control of the valve, suitable for applications where manual operation is not practical or automation is required.

It is important to note that the availability of specific types of mini-ball valves may vary depending on the manufacturer and the intended application.  It is recommended to consult the product documentation or contact the manufacturer to explore the available options and choose the right type of mini-ball valve for your specific needs.

Advantages of Mini-Ball Valves

Compact Size

One of the primary advantages of mini-ball valves is their small size.  This allows them to be installed in tight spaces where larger valves may not fit, providing greater flexibility in system design.

Precise Flow Control

Mini-ball valves offer excellent flow control capabilities.  Not only but also with a simple 90-degree rotation of the handle, the flow can be easily adjusted or shut off completely.  This precise control allows for accurate regulation of fluid or gas flow rates.

Low-Pressure Drop

The streamlined design of mini ball valves ensures minimal resistance to flow, resulting in low-pressure drop across the valve.  This characteristic is advantageous for maintaining system efficiency and reducing energy consumption.

Quick Shutoff

Mini-ball valves have a quarter-turn operation, which means they can be rapidly closed or opened.  This quick shutoff capability is crucial in emergency situations or when immediate isolation of the flow is necessary.

Durable and Reliable

Mini-ball valves are typically constructed using high-quality materials such as brass, stainless steel, or PVC.  These materials provide durability and resistance to corrosion, ensuring long service life and reliable operation.

Versatile Applications

Mini-ball valves find widespread use in various industries and applications.  Additionally, they are suitable for plumbing systems, HVAC systems, industrial equipment, water treatment plants, and laboratory setups, among others.  Furthermore, the versatility of mini-ball valves makes them highly adaptable to different flow control requirements.

Disadvantages of Mini Ball Valves

Limited Flow Capacity

Due to their compact size, mini-ball valves have smaller flow passages compared to larger valves.  This can limit their flow capacity, making them unsuitable for high-flow applications.  Besides, it is important to consider the required flow rate when selecting a mini-ball valve.

Manual Operation Only

Mini-ball valves are typically operated manually by hand, which means they require physical intervention for opening or closing.  Along with scenarios where frequent or remote valve control is necessary, manual operation may not be the most efficient option.

Potential for Leakage

Like any valve, mini-ball valves can experience leakage over time.  This can be due to wear and tear, improper installation, or damage to the sealing surfaces.  Regular inspection and maintenance are important to prevent leakage and ensure proper valve performance.

Limited Temperature and Pressure Ratings

Mini-ball valves may have lower temperature and pressure ratings compared to larger valves.  This is due to their smaller size and construction limitations.  It is crucial to consider the operating conditions and select a valve that can handle the required temperature and pressure ranges.

Higher Cost Per Unit

Mini-ball valves are often priced higher per unit compared to standard-sized ball valves. This is because their smaller size requires more precision in manufacturing and may involve higher material costs.  However, the overall cost can be justified by their unique advantages and suitability for specific applications.

It is important to weigh the advantages and disadvantages based on specific application requirements when considering the use of mini-ball valves.  Consulting with valve manufacturers or industry experts can provide further insights into selecting the most suitable valve for a particular system.

Industries Served

Mini-Ball Valves find applications in various industries due to their compact size and versatile functionality.  Some of the industries served by mini ball valves include:

Plumbing and Water Supply

Mini-ball valves are commonly used in plumbing systems for residential, commercial, and industrial buildings.  They are utilized in water supply systems, hot water systems, irrigation systems, and other plumbing applications to control the flow of water.

HVAC (Heating, Ventilation, and Air Conditioning)

Mini-Ball Valves are essential components in HVAC systems.  They are used to regulate the flow of coolant, refrigerant, and other fluids in heating and cooling systems, ensuring proper temperature control and efficient operation.

Oil and Gas

Mini ball valves find application in the oil and gas industry, primarily for controlling the flow of fluids and gases in pipelines, wellheads, and refineries.  They are used to isolate sections of the pipeline, control the flow direction, and facilitate maintenance or repairs.

Water Treatment and Desalination

Mini-ball valves play a critical role in water treatment plants and desalination systems. They are used to regulate the flow of chemicals, treated water, and wastewater, ensuring precise control over the purification and treatment processes.

Laboratory and Scientific Research

Mini-ball valves are utilized in laboratory setups for controlling the flow of gases, liquids, and chemicals.  They are commonly used in analytical instruments, testing equipment, and experimental apparatus where precise fluid control is necessary.

Pharmaceutical and Biotechnology

Mini ball valves are employed in pharmaceutical and biotech industries for controlling the flow of liquids, gases, and chemicals during manufacturing processes.  They are used in drug production, research laboratories, and bioreactors.

Food and Beverage

Mini ball valves are suitable for the food and beverage industry due to their sanitary design and corrosion-resistant materials.  They are used in processing plants, breweries, wineries, and dairies.  They also control the flow of liquids, such as water, juice, beer, or milk.

Chemical and Petrochemical

Ball valves are utilized in chemical plants and petrochemical refineries for handling various corrosive, toxic, or volatile fluids. They allow for the control of flow rates, shut-off, and isolation of different process streams.

Marine and Shipbuilding

Ball valves are found in marine and shipbuilding applications, where space is limited. They are used for fluid control in water systems, fuel lines, and other onboard systems.

Automotive and Transportation

Ball valves are used in automotive and transportation applications, such as fuel systems, brake systems, cooling systems, and air conditioning systems.  Also, they provide accurate fluid control and efficient operation in these critical systems.

It is important to note that these industries represent some common applications, but the use of mini-ball valves extends beyond these examples.  Besides, the versatility of mini-ball valves allows them to serve diverse industries and applications, providing precise flow control in compact spaces.

Other Specifications

Stainless Steel Mini mini-ball valves (or miniature ball valves) are made for use in confined spaces. Also, they come with a pressure rating of 800 psi (water, oil, or gas) and are constructed out of S.S. 316, this line of valves outshines the rest of the mini-ball valves available on this site.   In addition, the valves are available in FxF, MxF, and MxM connection types, and finally come in sizes from 1/4″ to 3/4″.

4 body and ball – for extra strength and corrosion resistance
Temperature range: -30°F to 325°F
Working pressure of 1000 psi
A double-seal system allows flow can go in either direction
Heavy-duty Zinc Alloy handles (painted blue)
Fast 1/4 turn open or closed operation
Each valve individually tested for maximum safety
NPT connections (FxF, FxM, and MxM)

Body:  Varies
Ball:  SS 316 (CF8M)
Cap:  SS 316 (CF8M)
Ball Seat:  RPTFE
Stem:  SS 304
Bolt:  SS 304
Lever:  Aluminum
O-Ring:  Viton

Additional information

Weight 0.125 lbs
Dimensions 2 × 1 × 1 in

1/4", 1/2", 3/4"

Materials of Construction

304SS, 316SS


Female to Female, Male to Female, Male to Male








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