REDUCING TEES

Type and Construction

Pieces are in accordance with EEMUA –234, Section 1. Seamless tee pieces are typically available up to 8 in./219 mm; bigger dimensions are welded.

Dimensions

Dimensions are based on EEMUA -234, Section 1, Figures 1.1-1.2, Tables 1.1-1.2 and 1.7.1-1.7.3. Tee pieces with other dimensions are available on request.

Tolerances

See Appendix C

Weld Preparation

For wall thickness less than 3 mm, the tees are supplied with plain weld ends. Larger thicknesses are supplied with the weld bevel of 37 ½°±2 ½°.

Dimensions for 16 bar systems

Specified Size Pipe Wall Thickness Centre-to-End (mm)  Approx.
            E E1 Weight
OD mm OD mm OD1 mm t mm t mm t1 mm nom nom kg
for sizes from 30 mm up to 108 mm use 20 bar
    108 3.0 3.0 3.0 143 130 4.19
159 159 88.9 2.5 124 4.01
    76.1 2.5 121 3.96
219.1 219.1 159 4.0  4.0  3.0 178  168 9.33
108 3.0 156 8.97
88.9 2.5 152 8.82
267 267  219.1 4.5 4.5 4.0 216 203 15.94
159 3.0 194 15.06
108 3.0 184 14.71
    267     4.5   241 27.48
323.9 323.9 219.1 5.5 5.5 4.0 254 229 26.49
    159     3.0   219 25.62
    323.9     5.5   270 40.87
368 368 267 6.5 6.5 4.5 279 257 39.07
    219.1     4.0   248 38.20
    368     6.5   305 55.46
419 419 323.9 7.0 7.0 5.5 305 295 53.38
    267     4.5   283 51.62
    419     7.0   330 77.10
457.2 457.2 368 8.0 8.0 6.5 343 330 75.59
    323.9     5.5   321 73.45
    457.2     8.0   368 101.91
508 508 419 8.5 8.5 7.0 381 356 98.68
    368     6.5   356 97.16
    508     8.5   432 167.14
610 610 457.2 10.5 10.5 8.0 432 419 163.52
    419     7.0   406 160.21
    610     10.5   508 271.22
711 711 508 12.0 12.0 8.5 521 483 259.52
    457.2     8.0   470 255.88
    711     12.0   572 399.14
813 813 610 13.5 13.5 10.5 597 559 387.17
    508     8.5   533 375.34
    813     13.5   648 581.77
914 914 711 15.5 15.5 12.0 673 622 562.82
    610     10.5   610 551.05

Dimensions for 20 bar systems

Specified Size   Pipe Wall Thickness   Centre-to-End (mm)  Approx. Weight
             E E1
OD mm OD mm OD1 mm t mm t mm t1 mm nom nom kg
30 30 25 2.5 2.5 2.0 38 38 0.18
38 38 30 2.5 2.5 2.5 48 48 0.29
    25 2.5 2.5 2.0     0.28
    38 2.5 2.5 2.5  57   57  0.42
44.5 44.5 30 2.5 2.5 2.5 0.40
    25 2.5 2.5 2.0 0.38
    44.5  2.5   2.5   2.5   64  60 0.58
57 57 38 57 0.56
    30 51 0.53
    57  2.5   2.5   2.5   76  70 0.90
76.1 76.1 44.5 67 0.87
    38 64 0.85
    76.1  2.5   2.5   2.5   86  83 1.24
88.9 88.9 57 76 1.16
    44.5 73 1.12
    88.9  3.0   3.0   2.5   105  98 2.12
108 108 76.1 95 2.06
    57 89 1.98
    108  3.5   3.5  3.0  143  130 4.80
159 159 88.9 2.5 124 4.62
    76.1 2.5 121 4.57
 219.1   219.1  159  4.5   4.5  3.5  178  168 10.50
108 3.0 156 10.02
88.9 2.5 152 9.87
 267   267  219.1  5.5   5.5  4.5  216  203 19.25
159 3.5 194 18.29
108 3.0 184 17.82
 323.9   323.9  267  7.0   7.0  5.5  254  241 34.69
219.1 4.5 229 33.32
159 3.5 219 32.38
 368   368  323.9  8.0   8.0  7.0  279  270 50.27
267 5.5 257 47.87
219.1 4.5 248 46.66
 419   419  368  9.0   9.0  8.0  305  305 70.63
323.9 7.0 295 68.24
267 5.5 283 65.89
 457.2   457.2  419  9.5   9.5  9.0  343  330 92.04
368 8.0 330 89.74
323.9 7.0 321 87.31
 508   508  457.2  11.0   11.0  9.5  381  368 130.03
419 9.0 356 127.00
368 8.0 356 124.69
 610   610  508  13.0   13.0  11.0  432  432 206.90
457.2 9.5 419 201.04
419 9.0 406 197.91
 711   711  610  15.0   15.0  13.0  521  508 337.26
508 11.0 483 323.65
457.2 9.5 470 317.78
 813   813  711  17.0   17.0  15.0  597  572 500.07
610 13.0 559 484.85
508 11.0 533 471.09
 914   914  813  19.0   19.0  17.0  673  648 712.24
711 15.0 622 688.14
610 13.0 610 673.17