Reference Manual
00809-0100-4792, Rev CA
August 2010
A-3
Rosemount 1495, 1496
Table A-2. Dimensions of Pipe Inner Diameter
(1)
Nominal
Pipe Size
Schedule
5S 10 10S 20 30 40
2 (51) 2.245 (57.02) 2.157 (54.79) 2.157 (54.79) – – 2.067 (52.501)
2½- (64) 2.709 (68.81) 2.635 (66.93) 2.635 (66.93) – – 2.469 (62.71)
3 (76) 2.224 (56.49) 3.26 (82.80) 3.26 (82.80) – – 3.068 (77.93)
4 (102) 4.334 (110.08) 4.26 (108.20) 4.26 (108.20) – – 4.026 (102.26)
6 (152) 6.407 (162.74) 6.357 (161.47) 6.357 (161.47) – – 6.065 (154.05)
8 (203) 8.407 (213.54) 8.329 (211.56) 8.329 (211.56) 8.125 (206.38) 8.071 (205) 7.981 (202.72)
10 (254) 10.482 (266.24) 10.42 (264.67) 10.42 (264.67) 10.25 (260.35) 10.136 (257.45) 10.20 (254.51)
12 (305) 12.438 (315.93) 12.39 (314.71) 12.39 (314.71) 12.25 (311.15) 12.09 (307.09) 11.938 (303.23)
14 (356) – 13.5 (342.90) 13.624 (346.05) 13.376 (339.75) 13.25 (336.55) 13.124 (333.35)
16 (406) – 15.5 (393.70) 15.624 (396.85) 15.376 (390.55) 15.25 (387.35) 15.0 (381.0)
18 (457) – 17.5 (444.50) 17.624 (447.65) 17.376 (441.35) 17.126 (435.00) 16.976 (431.19)
20 (508) – 19.5 (495.30) 19.564 (496.93) 19.25 (488.95) 19.0 (482.60) 18.814 (477.88)
24 (610) – 23.5 (596.90) 23.5 (596.90) 23.25 (590.55) 22.876 (581.05) 22.626 (574.70)
Nominal
Pipe Size
Schedule
40S Standard 60 80 80S XS
2 (51) 2.067 (52.501) 2.067 (52.50) – 1.939 (49.25) 1.939 (49.25) 1.939 (49.25)
2½- (64) 2.469 (62.71) 2.469 (62.71) – 2.323 (59.0) 2.323 (59.0) 2.323 (59.0)
3 (76) 3.068 (77.93) 3.068 (77.93) – 2.90 (73.66) 2.90 (73.66) 2.90 (73.66)
4 (102) 4.026 (102.26) 4.026 (102.26) – 3.826 (97.18) 3.826 (97.18) 3.826 (97.18)
6 (152) 6.065 (154.05) 6.065 (154.05) – 5.761 (146.33) 5.761 (146.33) 5.761 (146.33)
8 (203) 7.981 (202.72) 7.981 (202.72) 7.813 (198.45) 7.625 (193.68) 7.625 (193.68) 7.625 (193.68)
10 (254) 10.02 (254.51) 10.20 (259.08) 9.75 (247.65) 9.564 (242.94) 9.75 (247.65) 9.75 (247.65)
12 (305) 12.0 (304.8) 12.00 (304.80) 11.626 (41.30) 11.376 (288.95) 11.75 (298.45) 11.75 (298.45)
14 (356) – 13.250 (336.55) 12.814 (325.48) 12.50 (317.50) – 13.0 (330.20)
16 (406) – 15.250 (387.35) 14.688 (373.08) 14.314 (363.58) – 15.0 (381.0)
18 (457) – 17.250 (438.15) 16.5 (419.10) 16.126 (409.60) – 17.0 (425.0)
20 (508) – 19.252 (488.95) 18.376 (466.75) 17.938 (455.63) – 19.0 (482.60)
24 (610) – 23.250 (590.55) 22.064 (560.43) 21.564 (547.73) – 23.0 (584.20)
Nominal
Pipe Size
Schedule
100 120 140 160 XXS
2 (51) – – – 1.689 (42.9) 1.503 (38.18)
2½- (64) – – – 2.125 (53.98) 1.771 (44.98)
3 (76) – – – 2.624 (66.65) 2.30 (58.42)
4 (102) – 3.624 (92.005) – 3.438 (87.33) 3.152 (80.06)
6 (152) – 5.501 (139.73) – 5.189 (131.80) 4.897 (124.38)
8 (203) 7.437 (188.90) 7.189 (157.15) 7.001 (177.83) 6.813 (173.05) 6.875 (174.63)
10 (254) 9.314 (236.58) 9.064 (230.23) 8.75 (222.25) 8.50 (215.90) –
12 (305) 11.064 (281.03) 10.75 (273.05) 10.5 (266.70) 10.126 (257.20) –
14 (356) 12.126 (308.00) 11.814 (300.08) 11.5 (37.50) 11.188 (284.18) –
16 (406) 13.938 (354.03) 13.564 (344.53) 13.124 (333.35) 12.814 (325.48) –
18 (457) 15.688 (398.27) 15.25 (387.35) 14.876 (377.85) 14.438 (366.73) –
20 (508) 17.44 (443.98) 17.0 (431.80) 16.5 (410.10) 16.064 (408.03) –
24 (610) 20.938 (531.83) 20.376 (517.55) 19.876 (504.85) 19.314 (490.58) –
(1) Measurement is in inches (millimeters).
NOTE
For option code J1 - Canadian Registration Number, J2 - ANSI B31.1, J3 - ANSI B31.3, and J4 - ANSI B31.8,
contact an Emerson Process Management representative for details.
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