Kelm Bulkhead Coupling NPT F
Useful Information
Technical Specification
- Material: Nickel-plated brass with POM sleeve
- Thread Type: NPT female (metric bulkhead stud)
- Mounting Thread: Metric (M12x1 to M22x1 depending on size)
- Operating Pressure: 0–10 bar
- Media: Air and vacuum only
- Negative Pressure: -750 mmHg (-750 Torr)
- Operating Temperature: 0°C to +60°C
- Connection: One-touch push-in (metric tube to NPT female thread)
- Sealant: Precoated with Teflon
Description
Designed for secure panel-mounted connections, this bulkhead coupling offers reliable performance in pneumatic systems handling air and vacuum. The one-touch mechanism enables fast push-in tube connection without the need for tools, while the bulkhead design ensures a firm mounting through panels or enclosures. Constructed from nickel-plated brass for enhanced corrosion resistance, it features Teflon-precoated threads and a robust POM release sleeve for durability and ease of use. Ideal for confined or fixed installations where clean, consistent air flow is essential.
Key Features & Benefits
- Quick one-touch push-in design streamlines installation
- Bulkhead style ensures stable panel mounting in fixed systems
- Female NPT thread supports standardised connection
- Metric mounting thread simplifies secure panel integration
- Nickel-plated brass body offers excellent resistance to corrosion and wear
- POM sleeve enables easy, tool-free disconnection
- Teflon-sealed threads reduce leak risk and assembly time
- Suited exclusively for air and vacuum use

| Product Code | D (mm) | R (Thread) | P (mm) | A (mm) | B (mm) | C (mm) | G (mm) | H1 (mm) | H2 (mm) | M |
| 366823 | 4 | 1/8 | 10 | 9 | 27 | 16 | 11 | 14 | 14 | M12x1 |
| 366824 | 4 | 1/4 | 10 | 12 | 30 | 16 | 14 | 17 | 14 | M12x1 |
| 366825 | 6 | 1/8 | 12 | 9 | 27.5 | 17 | 11 | 17 | 17 | M14x1 |
| 366826 | 6 | 1/4 | 12 | 12 | 30.5 | 17 | 14 | 17 | 17 | M14x1 |
| 366827 | 6 | 3/8 | 12 | 13 | 32.5 | 17 | 15 | 22 | 17 | M14x1 |
| 366828 | 6 | 1/2 | 12 | 16 | 35 | 17 | 18 | 17 | 17 | M14x1 |
| 366829 | 8 | 1/8 | 14 | 9 | 28.5 | 18 | 11 | 17 | 19 | M16x1 |
| 366830 | 8 | 1/4 | 14 | 12 | 31.5 | 18 | 14 | 22 | 19 | M16x1 |
| 366831 | 8 | 3/8 | 14 | 13 | 35 | 18 | 15 | 22 | 19 | M16x1 |
| 366832 | 8 | 1/2 | 14 | 16 | 38.4 | 18 | 18 | 25 | 19 | M16x1 |
| 366833 | 10 | 1/4 | 17 | 12 | 34.5 | 20 | 20 | 22 | 24 | M20x1 |
| 366834 | 10 | 3/8 | 17 | 13 | 35.5 | 20 | 20 | 22 | 24 | M20x1 |
| 366835 | 10 | 1/2 | 17 | 16 | 39.5 | 20 | 20 | 25 | 24 | M20x1 |
| 366836 | 12 | 1/4 | 20 | 12 | 36 | 21 | 21 | 22 | 26 | M22x1 |
| 366837 | 12 | 3/8 | 20 | 13 | 37 | 21 | 21 | 22 | 26 | M22x1 |
| 366838 | 12 | 1/2 | 20 | 16 | 39 | 21 | 21 | 25 | 26 | M22x1 |
