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The Bore Through Male Connector (Metric Tube to NPT) is a precision-engineered instrumentation fitting designed to allow metric-sized tubing, thermocouples, or probes to pass entirely through the fitting body without the restriction of an internal tube stop. This unique bore-through design enables users to adjust the insertion depth of a probe or sensor to a specific point within a process line, making it indispensable for accurate thermal or analytical measurements. On the tube side, the fitting employs a high-performance double-ferrule compression system to provide a leak-proof, vibration-resistant seal once the desired position is reached, while the male NPT end features tapered threads for a secure, pressure-tight connection to a female port. Typically manufactured from 316 stainless steel for superior corrosion resistance and high-pressure integrity, these connectors are critical components in heat exchangers, temperature sensing applications, and analytical sampling systems where precise placement is essential for system performance.
| THERMOCOUPLE CONNECTOR (BORE THROUGH) | ||||||
|---|---|---|---|---|---|---|
| Metric Tube | Basic Ordering Number | Dimensions in (mm) | ||||
| T-Tube O.D. (mm.) | P-NPT Thread Size | L | B | G | F | |
| 2 | 1/8 | VMC-SS-2M-2NBT | 30.5(1.20) | 9.7(0.38) | 12.0(0.47) | 12.0(0.47) |
| 3 | 1/8 | VMC-SS-3M-2NBT | 30.5(1.20) | 9.7(0.38) | 12.0(0.47) | 12.0(0.47) |
| 3 | 1/4 | VMC-SS-3M-4NBT | 35.6(1.40) | 14.2(0.56) | 12.0(0.47) | 14.0(0.55) |
| 4 | 1/8 | VMC-SS-4M-2NBT | 31.2(1.23) | 9.7(0.38) | 12.0(0.47) | 12.0(0.47) |
| 4 | 1/4 | VMC-SS-4M-4NBT | 36.3(1.43) | 14.2(0.56) | 12.0(0.47) | 14.0(0.55) |
| 6 | 1/8 | VMC-SS-6M-2NBT | 32.8(1.29) | 9.7(0.38) | 14.0(0.55) | 14.0(0.55) |
| 6 | 1/4 | VMC-SS-6M-4NBT | 37.9(1.49) | 14.2(0.56) | 14.0(0.55) | 14.0(0.55) |
| 6 | 3/8 | VMC-SS-6M-6NBT | 38.4(1.51) | 14.2(0.56) | 14.0(0.55) | 18.0(0.71) |
| 6 | 1/2 | VMC-SS-6M-8NBT | 44.7(1.76) | 19.1(0.75) | 14.0(0.55) | 22.0(0.87) |
| 8 | 1/4 | VMC-SS-8M-4NBT | 38.7(1.52) | 14.2(0.56) | 16.0(0.63) | 15.0(0.59) |
| 8 | 3/8 | VMC-SS-8M-6NBT | 39.3(1.55) | 14.2(0.56) | 16.0(0.63) | 18.0(0.71) |
| 8 | 1/2 | VMC-SS-8M-8NBT | 45.6(1.80) | 19.1(0.75) | 16.0(0.63) | 22.0(0.87) |
| 10 | 3/8 | VMC-SS-10M-6NBT | 40.9(1.61) | 14.2(0.56) | 19.0(0.75) | 18.0(0.71) |
| 10 | 1/2 | VMC-SS-10M-8NBT | 46.5(1.83) | 19.1(0.75) | 19.0(0.75) | 22.0(0.87) |
| 10 | 3/4 | VMC-SS-10M-12NBT | 48.0(1.89) | 19.1(0.75) | 19.0(0.75) | 27.0(1.06) |
| 10 | 1 | VMC-SS-10M-16NBT | 54.6(2.15) | 23.9(0.94) | 19.0(0.75) | 35.0(1.38) |
| 12 | 3/8 | VMC-SS-12M-6NBT | 43.4(1.71) | 14.2(0.56) | 22.0(0.87) | 22.0(0.87) |
| 12 | 1/2 | VMC-SS-12M-8NBT | 49.0(1.93) | 19.1(0.75) | 22.0(0.87) | 22.0(0.87) |
| 12 | 3/4 | VMC-SS-12M-12NBT | 50.5(1.99) | 19.1(0.75) | 22.0(0.87) | 27.0(1.06) |
| 14 | 1/2 | VMC-SS-14M-8NBT | 49.0(1.93) | 19.1(0.75) | 25.0(0.98) | 24.0(0.94) |
| 14 | 3/4 | VMC-SS-14M-12NBT | 50.5(1.99) | 19.1(0.75) | 25.0(0.98) | 27.0(1.06) |
| 15 | 3/4 | VMC-SS-15M-12NBT | 50.5(1.99) | 19.1(0.75) | 25.0(0.98) | 27.0(1.06) |
| 15 | 1 | VMC-SS-15M-16NBT | 57.1(2.25) | 23.9(0.94) | 25.0(0.98) | 35.0(1.38) |
| 18 | 3/4 | VMC-SS-18M-12NBT | 50.5(1.99) | 19.1(0.75) | 30.0(1.18) | 27.0(1.06) |
| 20 | 1 | VMC-SS-20M-16NBT | 57.1(2.25) | 23.9(0.94) | 32.0(1.26) | 35.0(1.38) |
| 22 | 1 | VMC-SS-22M-16NBT | 57.1(2.25) | 23.9(0.94) | 32.0(1.26) | 35.0(1.38) |