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Fractional Tube – Union Tee

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Union Tee (Fractional Tube)

The Union Tee (Fractional Tube) is a versatile instrumentation fitting designed to create a secure, equal-sided 90-degree intersection between three fractional tube lines. This series supports a broad range of fractional tube diameters from 1/16″ to 1 1/2″, with comprehensive dimensional specifications provided for body length, nut hex sizes, and orifice diameters. Engineered for high-pressure reliability and industrial durability, these fittings ensure a leak-proof and stable connection for critical fluid and gas distribution networks.
UNION TEE
T-Tube O.D. (in.) Basic Ordering Number Dimensions in (mm)
L C G F E
1/16 VUT-SS-1 0.70(17.8) 0.34(8.6) 0.31(7.9) 0.37(9.5) 0.05(1.3)
1/8 VUT-SS-2 0.87(22.2) 0.50(12.7) 0.44(11.1) 0.37(9.5) 0.09(2.3)
3/16 VUT-SS-3 0.96(24.4) 0.54(13.7) 0.50(12.7) 0.44(11.1) 0.12(3.0)
1/4 VUT-SS-4 1.06(26.9) 0.60(15.2) 0.56(14.3) 0.50(12.7) 0.19(4.8)
5/16 VUT-SS-5 1.17(29.7) 0.64(16.2) 0.63(15.9) 0.63(15.9) 0.25(6.4)
3/8 VUT-SS-6 1.20(30.5) 0.66(16.8) 0.69(17.5) 0.63(15.9) 0.28(7.1)
1/2 VUT-SS-8 1.42(36.1) 0.90(22.9) 0.87(22.2) 0.81(20.6) 0.41(10.4)
5/8 VUT-SS-10 1.53(38.9) 0.96(24.4) 1.00(25.4) 1.00(25.4) 0.50(12.7)
3/4 VUT-SS-12 1.57(39.9) 0.96(24.4) 1.13(28.6) 1.06(27.0) 0.62(15.7)
7/8 VUT-SS-14 1.76(44.7) 1.02(25.9) 1.25(31.8) 1.37(34.9) 0.72(18.3)
1 VUT-SS-16 1.93(49.0) 1.23(31.2) 1.50(38.1) 1.37(34.9) 0.88(22.4)
1 1/8 VUT-SS-18 2.17(55.1) 1.44(36.7) 1.75(44.5) 1.69(42.9) 0.97(24.6)
1 1/4 VUT-SS-20 2.62(66.5) 1.62(41.1) 1.87(47.6) 1.69(42.9) 1.09(27.7)
1 1/2 VUT-SS-24 3.07(78.0) 1.97(50.0) 2.25(57.2) 2.00(50.8) 1.34(34.0)