Dimensions Male-Female and Tongue & Groove flanges ASME B16.5


Large Male and Female Flanges
Large Male and Female Flanges
1 / 4
Small Male and Female Flanges
Small Male and Female Flanges
2 / 4
Large Tongue and Groove Flanges
Large Tongue and Groove Flanges
3 / 4
Small Tongue and Groove Flanges
Small Tongue and Groove Flanges
4 / 4

NPS R S T U W X Y Z
1/2 35.05 18.28 35.05 25.4 36.57 19.81 36.57 23.87
3/4 42.92 23.87 42.92 33.27 44.45 25.4 44.45 31.75
1 50.8 30.22 47.75 38.1 52.32 31.75 49.27 36.57
63.5 38.1 57.15 47.75 65.02 39.62 58.67 45.97
73.15 44.45 63.5 53.84 74.67 45.97 65.02 52.32
2 91.94 57.15 82.55 73.15 93.72 58.67 84.07 71.37
104.64 68.32 95.25 85.85 106.42 69.85 96.77 84.07
3 127 84.07 117.34 107.95 128.52 85.85 119.12 106.42
139.7 96.77 130.04 120.65 141.22 98.55 131.82 119.12
4 157.22 109.47 144.52 131.82 158.75 111.25 146.05 130.04
5 185.67 136.65 172.97 160.27 187.45 138.17 174.75 158.75
6 215.9 162.05 203.2 190.5 217.42 163.57 204.72 188.97
8 269.74 212.85 254 238.25 271.52 214.37 255.52 236.47
10 323.85 266.7 304.8 285.75 325.37 268.22 306.32 284.22
12 381 317.5 361.95 342.9 382.52 319.02 363.47 341.37
14 412.75 349.25 393.7 374.65 414.27 350.77 395.22 373.12
16 469.9 400.05 447.54 425.45 471.42 401.57 449.32 423.92
18 533.4 450.85 511.04 488.95 534.92 452.37 512.82 487.42
20 584.2 501.65 558.8 533.4 585.72 503.17 560.32 531.87
24 692.15 603.25 666.75 641.35 693.67 604.77 668.27 639.82

Dimensions are in millimeters unless otherwise indicated.


LEGENDA

R - Large Male and Large Tongue
S - Small Male
T - Small Tongue
U - ID of Large and Small Tongue
W - Large Female and Large Groove
X - Small Female
Y - Small Groove
Z - ID of Large and Small Groove

Notes..

  • Regular facing height (rf) for Class 150 and Class 300 flanges is 1.65 millimeters (1/16in) and included in the minimum flange thickness. Facing height for Class 400, 600, 900, 1500, and 2500 is 6.35 millimeters (1/4in), and not included in minimum flange thickness dimensions.

  • Depth of Groove and Female is 4.82 millimeters (0.19in).

  • Large Male and Female. The finished height of the male face shall be the greater of the wall thickness of the pipe used or 6.35 mm (1/4in.). The thickness of lap that remains after machining the female face shall be no less than the nominal wall thickness of pipe used.

  • Tongue and Groove. The thickness of the lap remaining after machining the tongue or groove face shall be no less than the nominal wall thickness of the pipe used.

  • Tongue and Groove and Small Male and Female. The gasket contact surface finish shall not exceed 3.2 μm (125 μin.) roughness.



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