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Reducing Union (DUR)


  inch
(mm)
Part No. ØA ØA1 ØE ØE1 I I1 F F1 L L1 Hex 1 Hex 2 Hex 3
Tube OD Tube OD
  DUR-2-1-* 1/8
(3.18)
1/16
(1.59)
0.09
(2.3)
0.05
(1.3)
0.25
(6.4)
0.19
(4.9)
0.51
(13.0)
0.35
(8.9)
1.23
(31.3)
0.81
(20.6)
7/16 7/16 5/16
  DUR-3-1-* 3/16
(4.76)
1/16
(1.59)
0.12
(3.0)
0.05
(1.3)
0.28
(7.2)
0.19
(4.9)
0.54
(13.8)
0.35
(8.9)
1.27
(32.3)
0.85
(21.6)
7/16 1/2 5/16
  DUR-3-2-* 3/16
(4.76)
1/8 (3.18) 0.12
(3.0)
0.09
(2.3)
0.28
(7.2)
0.25
(6.4)
0.54
(13.8)
0.51
(13.0)
1.45
(36.8)
0.92
(23.4)
7/16 1/2 7/16
  DUR-4-1-* 1/4
(6.35)
1/16
(1.59)
0.19
(4.8)
0.05
(1.3)
0.31
(7.9)
0.19
(4.9)
0.61
(15.4)
0.35
(8.9)
1.36
(34.6)
0.91
(23.1)
1/2 9/16 5/16
  DUR-4-2-* 1/4
(6.35)
1/8
(3.18)
0.19
(4.8)
0.09
(2.3)
0.31
(7.9)
0.25
(6.4)
0.61
(15.4)
0.51
(13.0)
1.53
(38.8)
0.97
(24.6)
1/2 9/16 7/16
  DUR-4-3-* 1/4
(6.35)
3/16
(4.76)
0.19
(4.8)
0.12
(3.0)
0.31
(7.9)
0.28
(7.2)
0.61
(15.4)
0.54
(13.8)
1.56
(39.6)
1.00
(25.4)
1/2 9/16 1/2
  DUR-5-2-* 5/16
(7.94)
1/8
(3.18)
0.25
(6.4)
0.09
(2.3)
0.35
(8.8)
0.25
(6.4)
0.64
(16.3)
0.51
(13.0)
1.56
(39.6)
1.00
(25.4)
9/16 5/8 7/16
  DUR-5-4-* 5/16
(7.94)
1/4
(6.35)
0.25
(6.4)
0.19
(4.8)
0.35
(8.8)
0.31
(7.9)
0.64
(16.3)
0.61
(15.4)
1.67
(42.4)
1.08
(27.4)
9/16 5/8 9/16
  DUR-6-1-* 3/8
(9.53)
1/16
(1.59)
0.28
(7.1)
0.05
(1.3)
0.37
(9.5)
0.19
(4.9)
0.67
(17.0)
0.35
(8.9)
1.45
(36.9)
1.00
(25.4)
5/8 11/16 5/16
  DUR-6-2-* 3/8
(9.53)
1/8
(3.18)
0.28
(7.1)
0.09
(2.3)
0.37
(9.5)
0.25
(6.4)
0.67
(17.0)
0.51
(13.0)
1.62
(41.2)
1.06
(27.0)
5/8 11/16 7/16
  DUR-6-4-* 3/8
(9.53)
1/4
(6.35)
0.28
(7.1)
0.19
(4.8)
0.37
(9.5)
0.31
(7.9)
0.67
(17.0)
0.61
(15.4)
1.71
(43.4)
1.12
(28.4)
5/8 11/16 9/16
  DUR-6-5-* 3/8
(9.53)
5/16
(7.94)
0.28
(7.1)
0.25
(6.4)
0.37
(9.5)
0.35
(8.8)
0.67
(17.0)
0.64
(16.3)
1.75
(44.5)
1.16
(29.5)
5/8 11/16 5/8
  DUR-8-2-* 1/2
(12.7)
1/8
(3.18)
0.41
(10.4)
0.09
(2.3)
0.50
(12.7)
0.25
(6.4)
0.91
(23.0)
0.51
(13.0)
1.81
(46.0)
1.14
(29.0)
13/16 7/8 7/16
  DUR-8-4-* 1/2
(12.7)
1/4
(6.35)
0.41
(10.4)
0.19
(4.8)
0.50
(12.7)
0.31
(7.9)
0.91
(23.0)
0.61
(15.4)
1.86
(47.3)
1.16
(29.5)
13/16 7/8 9/16
  DUR-8-6-* 1/2
(12.7)
3/8
(9.53)
0.41
(10.4)
0.28
(7.1)
0.50
(12.7)
0.37
(9.5)
0.91
(23.0)
0.67
(17.0)
1.92
(48.8)
1.22
(31.0)
13/16 7/8 11/16
  DUR-10-4-* 5/8
(15.88)
1/4
(6.35)
0.50
(12.7)
0.19
(4.8)
0.56
(14.3)
0.31
(7.9)
0.97
(24.6)
0.61
(15.4)
1.89
(48.1)
1.19
(30.3)
15/16 1 9/16
  DUR-10-6-* 5/8
(15.88)
3/8
(9.53)
0.50
(12.7)
0.28
(7.1)
0.56
(14.3)
0.37
(9.5)
0.97
(24.6)
0.67
(17.0)
1.95
(49.6)
1.25
(31.8)
15/16 1 11/16
  DUR-10-8-* 5/8
(15.88)
1/2
(12.7)
0.50
(12.7)
0.41
(10.4)
0.56
(14.3)
0.50
(12.7)
0.97
(24.6)
0.91
(23.0)
2.06
(52.4)
1.25
(31.8)
15/16 1 7/8
  DUR-12-4-* 3/4
(19.05)
1/4
(6.35)
0.62
(15.8)
0.19
(4.8)
0.56
(14.3)
0.31
(7.9)
0.97
(24.6)
0.61
(15.4)
1.95
(49.5)
1.25
(31.7)
1-1/16 1-1/8 9/16
  DUR-12-6-* 3/4
(19.05)
3/8
(9.53)
0.62
(15.8)
0.28
(7.1)
0.56
(14.3)
0.37
(9.5)
0.97
(24.6)
0.67
(17.0)
2.01
(51.1)
1.31
(33.3)
1-1/16 1-1/8 11/16
  DUR-12-8-* 3/4
(19.05)
1/2
(12.7)
0.62
(15.8)
0.41
(10.4)
0.56
(14.3)
0.50
(12.7)
0.97
(24.6)
0.91
(23.0)
2.12
(53.9)
1.31
(33.3)
1-1/16 1-1/8 7/8
  DUR-12-10-* 3/4
(19.05)
5/8
(15.88)
0.62
(15.8)
0.50
(12.7)
0.56
(14.3)
0.56
(14.3)
0.97
(24.6)
0.97
(24.6)
2.12
(53.9)
1.31
(33.3)
1-1/16 1-1/8 1
  DUR-14-6-* 7/8
(22.23)
3/8
(9.53)
0.72
(18.3)
0.28
(7.1)
0.63
(15.9)
0.37
(9.5)
1.03
(26.1)
0.67
(17.0)
2.07
(52.7)
1.38
(35.0)
1-3/16 1-1/4 11/16
  DUR-14-12-* 7/8
(22.23)
3/4
(19.05)
0.72
(18.3)
0.62
(15.8)
0.63
(15.9)
0.56
(14.3)
1.03
(26.1)
0.97
(24.6)
2.07
(52.7)
1.38
(35.0)
1-3/16 1-1/4 1-1/8
  DUR-16-6-* 1
(25.4)
3/8
(9.53)
0.89
(22.5)
0.28
(7.1)
0.75
(19.1)
0.37
(9.5)
1.24
(31.6)
0.67
(17.0)
2.33
(59.1)
1.54
(39.0)
1-3/8 1-1/2 11/16
  DUR-16-8-* 1
(25.4)
1/2
(12.7)
0.89
(22.5)
0.41
(10.4)
0.75
(19.1)
0.50
(12.7)
1.24
(31.6)
0.91
(23.0)
2.44
(62.1)
1.54
(39.2)
1-3/8 1-1/2 7/8
  DUR-16-10-* 1
(25.4)
5/8
(15.88)
0.89
(22.5)
0.50
(12.7)
0.75
(19.1)
0.56
(14.3)
1.24
(31.6)
0.97
(24.6)
2.44
(62.1)
1.54
(39.2)
1-3/8 1-1/2 1
  DUR-16-12-* 1
(25.4)
3/4
(19.05)
0.89
(22.5)
0.62
(15.8)
0.75
(19.1)
0.56
(14.3)
1.24
(31.6)
0.97
(24.6)
2.40
(61.0)
1.50
(38.1)
1-3/8 1-1/2 1-1/8
*Add suffix SS for 316 stainless steel or B for brass.
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