Kelm Tube x Stem Push-In Coupling
Useful Information
Technical Specification
- Type: Tube x Stem Straight Coupling
- Material: PBT (Polybutylene Terephthalate) body with nickel-plated brass components
- Connection Type: One-touch push-in
- Max. Operating Pressure: 10 bar
- Operating Temperature: 0°C to +60°C
- Media Compatibility: Air and vacuum only
- Negative Pressure Resistance: Up to -750mm Hg (-750 Torr)
Description
Designed for air and vacuum applications, this pneumatic coupling features a one-touch push-in mechanism for quick and tool-free connection and disconnection. Its compact form and durable plastic construction make it ideal for use in restricted spaces, while the high-strength PBT body and nickel-plated brass elements offer corrosion resistance and reliable performance. This fitting is particularly suited to metric tube systems.
Key Features & Benefits
- One-touch Connection: Simplifies installation and disassembly without tools
- Versatile Use: Suitable for air and vacuum only, withstanding pressures up to 10 bar
- Compact Design: Ideal for tight or confined spaces
- Durable Construction: PBT plastic body with anti-contamination brass components
- Metric Compatibility: Supports a variety of tube and stem diameters

| Product Code | D1 (mm) | D2 (mm) | B (mm) | C (mm) | E (mm) |
| 366473 | 6 | 4 | 37 | 15.5 | 16 |
| 366474 | 8 | 4 | 37 | 15.5 | 16 |
| 366475 | 8 | 6 | 37.5 | 16 | 17 |
| 366476 | 10 | 6 | 41 | 16 | 17 |
| 366477 | 10 | 8 | 44 | 19 | 18 |
| 366478 | 12 | 8 | 43 | 18 | 18 |
| 366479 | 12 | 10 | 41.8 | 17.5 | 19.3 |
