Pneumatic Fittings / PU Fittings
At Jupiter Stainless International, we supply a versatile range of Pneumatic Fittings / PU Fittings engineered for secure, quick, and reliable air connections in low to medium-pressure pneumatic systems. Our collection includes PU Push-to-Connect Fittings for effortless tube installation, Flow Control Fittings for regulating air speed, and Threaded Adapters for connecting air tubing to valves, actuators, and compressors. Designed for optimal performance in automation, manufacturing, and robotics, our fittings are manufactured from high-quality brass, stainless steel, and durable thermoplastics to ensure resistance to corrosion, wear, and high cycling operations. These fittings are ideal for a wide variety of industrial and commercial pneumatic applications.
Types of Pneumatic Fittings / PU Fittings
Straight Connector
Straight Connectors are fundamental components in Compression Fittings / Instrument Fittings, designed to connect two lengths of tubing or pipe in a straight line. These connectors ensure a secure, leak-proof connection in both high and low-pressure systems and are widely used in hydraulic, pneumatic, and instrumentation lines. Manufactured from high-grade materials such as stainless steel, brass, and carbon steel, Straight Connectors provide excellent corrosion resistance and mechanical strength. They are suitable for applications in oil & gas, chemical processing, power generation, water treatment, and general industrial use.
Key Features:
Connects two tubes or pipes in a straight line, ensuring a strong and secure fit.
Leak-proof and vibration-resistant design suitable for critical applications.
Available in a wide range of sizes and materials like SS, brass, and carbon steel.
Easy installation without the need for welding or special tools.
Widely used in instrumentation, hydraulic systems, chemical lines, and more.
Elbow Connector (90°)
Elbow Connectors (90°) are precision-engineered compression fittings used to connect two tubes at a right angle. These fittings are essential in systems where directional changes are needed without compromising the flow or pressure integrity. Elbow Connectors are ideal for space-saving installations and are extensively used in hydraulic, pneumatic, and instrumentation pipelines. Made from corrosion-resistant materials such as stainless steel, brass, and carbon steel, they ensure leak-proof and durable performance in industries like petrochemical, power generation, marine, and process control.
Key Features:
Connects two tubes at a 90-degree angle for smooth directional change.
Ensures tight, vibration-resistant sealing even under high-pressure conditions.
Constructed from robust materials like stainless steel, brass, and carbon steel.
Facilitates compact and space-saving installations in complex piping layouts.
Widely used in chemical, instrumentation, hydraulic, and pneumatic systems.
Tee Connector (T-Type)
Tee Connectors (T-Type) are three-way compression fittings that enable the connection of three tubes at 90-degree angles, forming a “T” configuration. These connectors are ideal for branching pipelines, allowing fluid or gas to be diverted in two directions. Designed for leak-proof and high-pressure performance, Tee Connectors are manufactured using premium-grade stainless steel, brass, or carbon steel. They are widely used in instrumentation, hydraulic circuits, pneumatic systems, chemical processing, and laboratory equipment.
Key Features:
Three-port design allows for equal or branch distribution of fluid or gas.
Leak-proof compression ends ensure reliable operation in high-pressure systems.
Available in materials such as stainless steel, brass, and carbon steel.
Suitable for both metric and imperial tube sizes with easy installation.
Widely used in instrumentation lines, test setups, and distribution systems.
Y Connector
Y Connectors are specially designed tube fittings that split or merge fluid or gas flow into two outlets at an angle, forming a “Y” shape. These connectors are ideal for applications requiring balanced distribution from a single inlet or combining two streams into one outlet. Y Connectors provide a compact, leak-tight, and corrosion-resistant solution for use in a wide range of industries such as pharmaceuticals, laboratories, fluid distribution systems, pneumatic circuits, and analytical instrumentation.
Key Features:
Y-shaped design efficiently splits or merges flow between three connection points.
Leak-proof compression fitting suitable for vacuum and low-to-moderate pressure applications.
Manufactured from corrosion-resistant materials like stainless steel, brass, and alloy steel.
Compact form factor ensures ease of installation in tight spaces or compact systems.
Used in pharmaceutical equipment, gas analysis, process control, and fluid transfer lines.
Bulkhead Connector
Bulkhead Connectors are specialized tube fittings designed to provide secure and leak-free connections through panels, enclosures, or walls. These connectors allow tubing to pass through a fixed barrier while maintaining a tight seal and ensuring structural integrity. Commonly used in both vacuum and pressure applications, Bulkhead Connectors are essential for fluid and gas systems in instrumentation, process control, chemical handling, laboratory setups, and hydraulic circuits.
Key Features:
Designed to pass tubing through panels or equipment walls with secure sealing.
Ensures leak-proof and vibration-resistant connections in demanding environments.
Available in single and double ferrule types for high-precision sealing performance.
Made from stainless steel, brass, or alloy steel for corrosion and pressure resistance.
Used in hydraulic systems, gas distribution panels, analyzers, and process instrumentation.
Male/Female Thread Adapter
Male/Female Thread Adapters are versatile fittings used to convert or transition between male and female threaded components in piping and tubing systems. These adapters enable compatibility across different thread types or sizes and ensure secure, leak-proof connections. Widely used in industries such as oil & gas, chemical processing, fluid control, water treatment, and instrumentation, they offer flexibility and adaptability for system design and installation.
Key Features:
Allows conversion between male and female threads or between different thread types and sizes.
Ensures tight, leak-proof connections in both low and high-pressure systems.
Precision-machined threads provide excellent fit, sealing, and reliability.
Made from robust materials like stainless steel, brass, and alloy steel for corrosion and temperature resistance.
Used in fluid transport, pneumatic systems, laboratory setups, and instrumentation panels.
Reducer
Reducers are precision-engineered fittings used to connect tubing or piping of different diameters while maintaining a secure and leak-proof joint. They are essential in systems where fluid flow must transition between varying sizes, helping to regulate flow rates and system pressure. Commonly used across hydraulic systems, chemical processing, instrumentation, gas lines, and industrial equipment, reducers offer smooth flow with minimal turbulence.
Key Features:
Connects tubes or pipes of different sizes to manage flow transitions efficiently.
Minimizes pressure drops and ensures smooth fluid or gas flow across varying pipe sizes.
Available in straight and step-down configurations for various applications.
Manufactured from corrosion-resistant materials such as stainless steel, brass, and alloy steel.
Widely used in hydraulic circuits, process piping, instrumentation panels, and fluid control systems.
Flow Control Fitting
Flow Control Fittings are precision components used to regulate the flow rate of fluids or gases in a system, ensuring accurate and consistent performance. These fittings are often integrated with needle valves, throttling mechanisms, or check valves to adjust flow without affecting system pressure. They are widely utilized in pneumatic systems, hydraulic circuits, automation equipment, and process control systems to optimize operational efficiency and protect sensitive components.
Key Features:
Precisely regulates flow of fluids or gases without altering system pressure significantly.
Available with needle valve or integrated check valve for accurate throttling and flow control.
Enhances safety, efficiency, and stability in automated and fluid handling systems.
Made from corrosion-resistant materials like stainless steel, brass, and engineered polymers.
Ideal for pneumatic tools, process instrumentation, water treatment units, and laboratory setups.
Applications of Pneumatic Fittings / PU Fittings
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Widely used in pneumatic automation systems for connecting tubing to actuators, valves, and cylinders in industrial machinery.
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Essential in automotive assembly lines for controlling air-powered tools and robotic arms efficiently and reliably.
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Utilized in packaging machines, conveyor systems, and bottling plants for smooth air flow control and quick maintenance.
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Common in HVAC and air handling systems for controlling dampers, air gates, and pneumatic actuators.
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Used in cleanroom and medical equipment where contamination-free air flow is critical to system performance.
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Applied in laboratory environments for connecting instruments and regulating compressed air in control panels and analytical devices.