Tube x Tube

The Kelm Brass Quick-Fit Tube x Tube range offers a fast, reliable, and professional solution for creating secure pneumatic connections across a wide variety of industrial environments. Designed for simplicity without compromising performance, these fittings provide a robust push-on connection that ensures airtight integrity while helping reduce installation time and maintenance demands.

Manufactured from high-quality nickel-plated brass, this range delivers excellent durability, corrosion resistance, and long-term stability - even in demanding operating conditions. With compatibility across common tube materials such as PA6, PA12, and polyurethane, these fittings provide versatility for system design and seamless integration with existing Kelm pneumatic components, including polyurethane tubing.

Engineered for performance across a broad operating window, the fittings can withstand pressures up to 15 bar and temperatures ranging from -20°C to +80°C, making them suitable for compressed air systems and low-pressure compatible fluids and liquids. Whether you’re assembling new equipment or upgrading existing installations, the Quick-Fit Tube x Tube series ensures a dependable, leak-free connection every time.

• Durable nickel-plated brass body: Provides excellent resistance to corrosion, mechanical wear, and environmental exposure, extending service life even in heavy-use or high-vibration pneumatic systems
• Precision-engineered sealing: Ensures a dependable, leak-free connection, maintaining system efficiency and reducing the risk of air loss or pressure drop
• Quick, push-fit assembly: Simplifies installation with a fast push-on connection - ideal for rapid system builds, onsite adjustments, and maintenance tasks
• Reusable connection design: Fittings can be disconnected and reconnected repeatedly without degrading sealing performance, supporting efficient servicing and system changes
• High pressure capability: Rated up to 15 bar, making the fittings suitable for a wide range of industrial compressed air applications
• Broad temperature operating window: Performs reliably from -20°C to +80°C, ensuring stability in both indoor and challenging workshop or factory environments
• Wide media compatibility: Suitable for compressed air and low-pressure compatible fluids and liquids, allowing use across multi-purpose pneumatic and light-fluid systems
• Versatile tube compatibility: Works with PA6, PA12, and polyurethane tubing, giving flexibility when designing or expanding pneumatic networks
• Excellent system integration: Built to work seamlessly with other Kelm pneumatic products, ensuring consistent performance across full system builds
• Reliable under vacuum: Capable of functioning at pressures down to -0.99 bar, supporting light vacuum applications and negative-pressure system demands
• Low maintenance requirement: Robust materials and simple construction reduce ongoing servicing needs, helping lower lifetime operating costs

• General industrial pneumatic systems: Ideal for connecting tube runs in compressed air networks supporting machinery and tools
• Automation and control systems: Suitable for air-actuated components, sensors, and control circuits in manufacturing and process equipment
• Packaging and processing machinery: Provides reliable tube-to-tube connections in fast-moving automated production lines
• Workshop and maintenance environments: Perfect for air tools, bench setups, testing rigs, and modular workshop air supply layouts
• OEM machinery builds: Trusted by equipment manufacturers for compact, reliable integration into commercial and industrial machinery
• Light fluid transfer systems: Compatible with low-pressure fluids and liquids in cooling, dosing, or lubrication circuits (as long as used within specification)
• Robotics and pick-and-place equipment: Supports consistent airflow to actuators, grippers, and motion-control components
• Vacuum handling setups: Suitable for negative-pressure applications requiring reliable tube connections down to -0.99 bar
• Air distribution manifolds: Used for creating multi-branch tubing circuits or modular air distribution assemblies
• Pneumatic conveying & small process systems: Suitable for air lines supporting movement of lightweight materials or auxiliary system functions