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The Female Tube Adapter (Metric Tube to ISO Tapered – RT) provides a reliable, leak-proof transition between metric tubing and a male ISO tapered (RT/PT) threaded component. It features a smooth, unthreaded metric tube stub designed to be secured within a standard double-ferrule compression fitting, while the opposite end provides a female tapered thread for a secure metal-to-metal seal. This “swing-free” design is a major advantage in tight industrial layouts, as it allows the adapter to be threaded onto a male instrument or valve without needing to rotate the entire length of tubing. Typically manufactured from 316 stainless steel, these adapters are essential for international fluid systems and process instrumentation that require high-pressure integrity and corrosion resistance.
| FEMALE ADAPTER | ||||||
|---|---|---|---|---|---|---|
| Metric Tube | Basic Ordering Number | Dimensions mm (in) | ||||
| T-Tube O.D. (mm.) | P-RT Thread Size | L | B | E | F | |
| 3 | 1/8 | VFTA-SS-3M-2RT | 28.8(1.13) | 10.4(0.41) | 1.8(0.07) | 14.0(0.55) |
| 4 | 1/8 | VFTA-SS-4M-2RT | 28.6(1.13) | 10.4(0.41) | 2.4(0.09) | 14.0(0.55) |
| 6 | 1/8 | VFTA-SS-6M-2RT | 33.0(1.30) | 10.4(0.41) | 4.1(0.16) | 14.0(0.55) |
| 8 | 1/4 | VFTA-SS-8M-4RT | 37.6(1.48) | 15.0(0.59) | 5.6(0.22) | 19.0(0.75) |
| 10 | 1/4 | VFTA-SS-10M-4RT | 38.1(1.50) | 15.0(0.59) | 7.1(0.28) | 19.0(0.75) |
| 10 | 3/8 | VFTA-SS-10M-6RT | 36.5(1.44) | 15.0(0.59) | 7.1(0.28) | 22.0(0.87) |
| 10 | 1/2 | VFTA-SS-10M-12RT | 41.3(1.63) | 19.8(0.78) | 7.1(0.28) | 27.0(1.06) |
| 12 | 1/4 | VFTA-SS-12M-4RT | 43.7(1.72) | 15.0(0.59) | 8.8(0.35) | 19.0(0.75) |
| 12 | 3/8 | VFTA-SS-12M-6RT | 43.7(1.72) | 15.0(0.59) | 8.8(0.35) | 22.0(0.87) |
| 12 | 1/2 | VFTA-SS-12M-12RT | 46.8(1.84) | 19.8(0.78) | 8.8(0.35) | 27.0(1.06) |
| 16 | 1/2 | VFTA-SS-16M-12RT | 48.4(1.91) | 19.8(0.78) | 12.0(0.47) | 27.0(1.06) |
| 18 | 3/4 | VFTA-SS-18M-12RT | 52.4(2.06) | 20.6(0.81) | 14.0(0.55) | 32.0(1.26) |
| 20 | 3/4 | VFTA-SS-20M-12RT | 52.4(2.06) | 20.6(0.81) | 15.5(0.61) | 32.0(1.26) |
| 25 | 1 | VFTA-SS-25M-16RT | 66.7(2.63) | 25.4(1.00) | 19.8(0.78) | 41.0(1.61) |