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The Female Tube Adapter (ISO Parallel – RP) is a precision-machined instrumentation fitting designed to provide a secure, leak-proof transition between tubing and a male ISO parallel (BSPP) threaded component. It features a smooth, unthreaded tube stub on one end that is inserted into a standard double-ferrule compression fitting, while the opposite end consists of a female ISO parallel thread with an RP-style sealing face. This configuration typically achieves a seal by seating against a gasket or O-ring at the base of the male thread or within a recessed cavity, ensuring high-pressure integrity without the use of thread sealant.
| FEMALE ADAPTER | ||||||
|---|---|---|---|---|---|---|
| Fractional Tube | Basic Ordering Number | Dimensions in (mm) | ||||
| T-Tube O.D. (in.) | P-RP Thread Size | L | B | E | F | |
| 1/8 | 1/8 | VFTA-SS-2-2RP | 1.17(29.7) | 0.40(10.2) | 0.08(2.0) | 0.56(14.3) |
| 1/4 | 1/8 | VFTA-SS-4-2RP | 1.25(31.8) | 0.40(10.2) | 0.17(4.3) | 0.56(14.3) |
| 1/4 | 1/4 | VFTA-SS-4-4RP | 1.50(38.1) | 0.61(15.5) | 0.17(4.3) | 0.75(19.1) |
| 3/8 | 1/4 | VFTA-SS-6-4RP | 1.55(39.4) | 0.61(15.5) | 0.27(6.9) | 0.75(19.1) |
| 3/8 | 3/8 | VFTA-SS-6-6RP | 1.57(39.9) | 0.60(15.2) | 0.27(6.9) | 0.94(23.8) |
| 1/2 | 3/8 | VFTA-SS-8-6RP | 1.78(45.2) | 0.60(15.2) | 0.38(9.7) | 0.94(23.8) |
| 1/2 | 1/2 | VFTA-SS-8-8RP | 1.95(49.5) | 0.73(18.5) | 0.38(9.7) | 1.06(27.0) |