TOYO DENSEN CO.,LTD
Toyo Densen FUN Flare Union Nut
Manufacturer: TOYO DENSEN CO.,LTD.
Model: FUN
Features
Pictures Left to Right : FUN ・FN ・ FU
- Compliant with JIS B8607
Specifications
FUN Flare Union and Nut
| Model No. | Adaptive Pipe Size (mm) | Q’ty | |
| Metric | Imperial | ||
| FUN-2 | 6,35 | 1/4” | 10 |
| FUN-3 | 9,52 | 3/8″ | 10 |
| FUN-4 | 12,70 | 1/2″ | 10 |
| FUN-5 | 1588 | 5/8″ | 10 |
| FUN-6 | 19,05 | 3/4″ | 10 |
| FUN-2X3 | 6.35 x 9.52 | 1/4″ x 3/8″ | 10 |
| FUN-3X4 | 9.52 x 12.70 | 3/8″ x 1/2″ | 10 |
| FUN-4X5 | 12.70 x 15.88 | 1/2″ x 5/8″ | 10 |
| FUN-5X6 | 15.88 x 19.05 | 5/8″ x 3/4″ | 10 |
FN Flare Nut
| Model No. | Adaptive Pipe Size | Q’ty | |
| Metric | Imperial | ||
| FN-2 | 6,35 | 1/4″ | 30 |
| FN-3 | 952 | 3/8″ | 30 |
| FN-4 | 12,70 | 1/2″ | 20 |
| FN-5 | 1588 | 5/8″ | 20 |
| FN-6 | 19,05 | 3/4″ | 10 |
FU Flare Union
| Model No. | Adaptive Pipe Size | Q’ty | |
| Metric | Imperial | ||
| FU-2 | 6,35 | 1/4″ | 10 |
| FU-3 | 9,52 | 3/8″ | 10 |
| FU-4 | 12,70 | 1/2” | 10 |
| FU-5 | 15,88 | 5/8″ | 10 |
| FU-6 | 19,05 | 3/4″ | 10 |
∗Flare union is compatible with refrigerant
class 1st & 2nd
Flare nut tightening torque
| Adaptive Pipe Size | Metric | 6,35 | 9,52 | 12,70 | 15,88 | 19,05 |
| Imperial | 1/4’ | 3/8″ | 1/2″ | 5/8″ | 3/4″ | |
| Tightening Torque (N*m) | 16±2 | 38±4 | 55±6 | 75±7 | 110±10 | |
∗ Flare Nuts must be tightened with the torque wrench
