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The Reducing Union (Metric Tube) is a precision-engineered fitting designed to facilitate a secure, leak-proof transition between two metric-sized tubes of different diameters. Utilizing a sophisticated double-ferrule compression system, it provides a reliable mechanical grip that maintains system integrity even under high-pressure conditions and significant vibration. These unions are typically constructed from high-grade 316 stainless steel to offer exceptional resistance to corrosion and chemical wear, making them ideal for technical environments like industrial instrumentation and water treatment plants. By enabling the direct connection of varying tube sizes, they simplify system architecture and ensure a streamlined, gastight flow path across complex fluid networks.
| REDUCING UNION | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Metric Tube | Dimensions mm (in) | ||||||||
| T-Tube O.D. (mm.) | Tx-Tube O.D. (mm.) | Basic Ordering Number | L | C | G | F | E | Cx | Gx |
| 3 | 2 | VRU-SS-3M-2M | 35.3(1.39) | 12.9(0.51) | 12.0(0.47) | 12.0(0.47) | 1.7(0.07) | 12.9(0.51) | 12.0(0.47) |
| 6 | 2 | VRU-SS-6M-2M | 38.6(1.52) | 15.3(0.60) | 14.0(0.55) | 14.0(0.55) | 1.7(0.07) | 12.9(0.51) | 12.0(0.47) |
| 6 | 3 | VRU-SS-6M-3M | 38.6(1.52) | 15.3(0.60) | 14.0(0.55) | 14.0(0.55) | 2.4(0.09) | 12.9(0.51) | 12.0(0.47) |
| 6 | 4 | VRU-SS-6M-4M | 39.4(1.55) | 15.3(0.60) | 14.0(0.55) | 14.0(0.55) | 2.4(0.09) | 13.7(0.54) | 12.0(0.47) |
| 8 | 6 | VRU-SS-8M-6M | 42.3(1.67) | 16.3(0.64) | 16.0(0.63) | 15.0(0.59) | 4.8(0.19) | 15.3(0.60) | 14.0(0.55) |
| 10 | 6 | VRU-SS-10M-6M | 44.5(1.75) | 17.2(0.68) | 19.0(0.75) | 18.0(0.71) | 4.8(0.19) | 15.3(0.60) | 14.0(0.55) |
| 10 | 8 | VRU-SS-10M-8M | 45.1(1.78) | 17.2(0.68) | 19.0(0.75) | 18.0(0.71) | 6.4(0.25) | 16.3(0.64) | 16.0(0.63) |
| 12 | 6 | VRU-SS-12M-6M | 47.0(1.85) | 22.8(0.90) | 22.0(0.87) | 22.0(0.87) | 4.8(0.19) | 15.3(0.60) | 14.0(0.55) |
| 12 | 8 | VRU-SS-12M-8M | 47.8(1.88) | 22.8(0.90) | 22.0(0.87) | 22.0(0.87) | 6.4(0.25) | 16.3(0.64) | 16.0(0.63) |
| 12 | 10 | VRU-SS-12M-10M | 48.7(1.92) | 22.8(0.90) | 22.0(0.87) | 22.0(0.87) | 7.9(0.31) | 17.2(0.68) | 19.0(0.75) |
| 16 | 10 | VRU-SS-16M-10M | 49.5(1.95) | 24.4(0.96) | 25.0(0.98) | 24.0(0.94) | 7.9(0.31) | 17.2(0.68) | 19.0(0.75) |
| 16 | 12 | VRU-SS-16M-12M | 52.0(2.05) | 24.4(0.96) | 25.0(0.98) | 24.0(0.94) | 9.5(0.37) | 22.8(0.90) | 22.0(0.87) |
| 18 | 12 | VRU-SS-18M-12M | 53.5(2.11) | 24.4(0.96) | 30.0(1.18) | 27.0(1.06) | 9.5(0.37) | 22.8(0.90) | 22.0(0.87) |
| 25 | 18 | VRU-SS-25M-18M | 61.0(2.40) | 31.3(1.23) | 38.0(1.50) | 35.0(1.38) | 15.1(0.59) | 24.4(0.96) | 30.0(1.18) |
| 25 | 20 | VRU-SS-25M-20M | 62.3(2.45) | 31.3(1.23) | 38.0(1.50) | 35.0(1.38) | 15.9(0.63) | 26.0(1.02) | 32.0(1.26) |
| 30 | 18 | VRU-SS-30M-18M | 75.4(2.97) | 39.6(1.56) | 50.0(1.97) | 46.0(1.81) | 15.1(0.59) | 24.4(0.96) | 30.0(1.18) |
| 30 | 20 | VRU-SS-30M-20M | 75.4(2.97) | 39.6(1.56) | 50.0(1.97) | 46.0(1.81) | 15.9(0.63) | 26.0(1.02) | 32.0(1.26) |
| 30 | 25 | VRU-SS-30M-25M | 80.1(3.15) | 39.6(1.56) | 50.0(1.97) | 46.0(1.81) | 21.8(0.86) | 31.3(1.23) | 38.0(1.50) |
| 32 | 18 | VRU-SS-32M-18M | 77.8(3.06) | 42.0(1.65) | 50.0(1.97) | 46.0(1.81) | 15.1(0.59) | 24.4(0.96) | 30.0(1.18) |
| 32 | 20 | VRU-SS-32M-20M | 77.8(3.06) | 42.0(1.65) | 50.0(1.97) | 46.0(1.81) | 15.9(0.63) | 26.0(1.02) | 32.0(1.26) |
| 32 | 25 | VRU-SS-32M-25M | 82.3(3.24) | 42.0(1.65) | 50.0(1.97) | 46.0(1.81) | 21.8(0.86) | 31.3(1.23) | 38.0(1.50) |
| 38 | 20 | VRU-SS-38M-20M | 87.5(3.44) | 49.4(1.94) | 60.0(2.36) | 55.0(2.17) | 15.9(0.63) | 26.0(1.02) | 32.0(1.26) |
| 38 | 25 | VRU-SS-38M-25M | 92.0(3.62) | 49.4(1.94) | 60.0(2.36) | 55.0(2.17) | 21.8(0.86) | 31.3(1.23) | 38.0(1.50) |
| 38 | 30 | VRU-SS-38M-30M | 104.6(4.12) | 49.4(1.94) | 60.0(2.36) | 55.0(2.17) | 26.2(1.03) | 39.6(1.56) | 50.0(1.97) |