Our Tube x NPT Thread one-touch push-in fittings from Kelm offer a reliable, convenient and high-performing solution for pneumatic installations that require a secure transition between metric tubing and NPT threaded ports. Designed for ease of use and long service life, these fittings are ideal for automation, manufacturing, workshop pneumatics and general compressed air systems where consistent performance matters.
Why Choose Kelm Tube x NPT Thread Fittings?
Manufactured by Kelm, a rapidly growing fluid power specialist with a strong reputation for product excellence, this range is engineered to deliver dependable operation in busy pneumatic environments. Each fitting combines a durable nickel-plated brass body with a smooth, one-touch tube connection, ensuring quick installation and confident sealing without tools.
Whether you’re upgrading air lines, configuring machinery, or fitting out a compressed air system, these NPT-threaded push-in fittings offer simplicity, repeatable performance and excellent compatibility with standard pneumatic equipment.
Key Features & Technical Specifications
Manufactured by Kelm
Maximum pressure: 10 bar
Operating temperature: 0°C to +60°C
Applicable media: Air and vacuum only
Working pressure range: 0–150 PSI / 0–990 kPa (0–9.9 kgf/cm²) / 10 bar
Negative pressure capability: –29.5 in Hg / –750 mmHg
Working temperature range: 0°C to 60°C (32°F to 140°F)
Product Advantages
One-touch push-to-connect design
Enables instant tube connection and disconnection with no tools required
Excellent in confined installations
Six-angle internal wrench processing ensures easy tightening even in tight spaces
Quick and secure release
Strong POM engineering plastic sleeve allows simple disconnection by pressing and pulling
Pre-treated threads
Each NPT thread arrives with Teflon treatment already applied for a clean, leak-resistant seal
Durable construction
Nickel-plated brass body provides anti-contamination properties and extended fitting life
Ideal Applications
These Tube x NPT Thread one-touch fittings are commonly used in:
Pneumatic control systems
Automation and robotics
Manufacturing and assembly equipment
Air tools and workshop air lines
Vacuum applications (within the specified range)
They’re a dependable choice for systems where NPT threaded ports need to be connected quickly and securely to metric tube runs.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.