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ASME B16.20 Style R Gasket

1. Drawing of Style R Gasket

Drawing of Style R Gasket

Drawing of Style R Gasket

2. Dimensions of Style R Gasket

Ring NumberAverage Pitch
Diameter of Ring, P
Width of Ring, AHeight of RingWidth of Flat on Octagonal Ring, CRadius in Octagonal Ring, R1
Oval, BOctagonal, H
R-1134.146.3511.29.74.321.5
R-1239.707.9514.212.75.231.5
R-1342.887.9514.212.75.231.5
R-1444.457.9514.212.75.231.5
R-1547.637.9514.212.75.231.5
R-1650.807.9514.212.75.231.5
R-1757.157.9514.212.75.231.5
R-1860.337.9514.212.75.231.5
R-1965.107.9514.212.75.231.5
R-2068.287.9514.212.75.231.5
R-2172.2411.1317.516.07.751.5
R-2282.557.9514.212.75.231.5
R-2382.5511.1317.516.07.751.5
R-2495.2511.1317.516.07.751.5
R-25101.607.9514.212.75.231.5
R-26101.6011.1317.516.07.751.5
R-27107.9511.1317.516.07.751.5
R-28111.1312.7019.117.58.661.5
R-29114.307.9514.212.75.231.5
R-30117.4811.1317.516.07.751.5
R-31123.8311.1317.516.07.751.5
R-32127.0012.7019.117.58.661.5
R-33131.787.9514.212.75.231.5
R-34131.7811.1317.516.07.751.5
R-35136.5311.1317.516.07.751.5
R-36149.237.9514.212.75.231.5
R-37149.2311.1317.516.07.751.5
R-38157.1815.8822.420.610.491.5
R-39161.9311.1317.516.07.751.5
R-40171.457.9514.212.75.231.5
R-41180.9811.1317.516.07.751.5
R-42190.5019.0525.423.912.321.5
R-43193.687.9514.212.75.231.5
R-44193.6811.1317.516.07.751.5
R-45211.1511.1317.516.07.751.5
R-46211.1512.7019.117.58.661.5
R-47228.6019.0525.423.912.321.5
R-48247.657.9514.212.75.231.5
R-49269.8811.1317.516.07.751.5
R-50269.8815.8822.4
20.610.491.5
R-51279.4022.2328.726.914.811.5
R-52304.807.9514.212.75.231.5
R-53323.8511.1317.516.07.751.5
R-54323.8515.8822.420.610.491.5
R-55342.9028.5836.635.119.812.3
R-56381.007.9514.212.75.231.5
R-57381.0011.1317.516.07.751.5
R-58381.0022.2328.726.914.811.5
R-59396.887.9514.212.75.231.5
R-60406.4031.7539.638.122.332.3
R-61419.1011.1317.516.07.751.5
R-62419.1015.8822.420.610.491.5
R-63419.1025.4033.331.817.302.3
R-64454.037.9514.212.75.231.5
R-65469.9011.1317.516.07.751.5
R-66469.9015.8822.420.610.491.5
R-67469.9028.5836.635.119.812.3
R-68517.537.9514.212.75.231.5
R-69533.4011.1317.516.07.751.5
R-70533.4019.0525.423.912.32
1.5
R-71533.4028.5836.635.119.81
2.3
R-72558.807.9514.212.75.231.5
R-73584.2012.7019.117.58.661.5
R-74584.2019.0525.423.912.321.5
R-75584.2031.7539.638.122.332.3
R-76673.107.9514.212.75.231.5
R-77692.1515.8822.420.610.491.5
R-78692.1525.4033.331.817.302.3
R-79692.1534.9344.541.424.822.3
R-80615.957.95...12.75.231.5
R-81635.0014.3...19.19.581.5
R-8257.1511.13...16.07.751.5
R-8463.5011.13...16.07.751.5
R-8579.3812.70...17.58.661.5
R-8690.515.88...20.610.491.5
R-87100.0315.88...20.610.491.5
R-88123.8319.05...23.912.321.5
R-89114.3019.05...23.912.321.5
R-90155.5822.23...26.914.811.5
R-91260.3531.75...38.122.332.3
R-92228.6011.1317.516.07.751.5
R-93749.3019.05...23.912.321.5
R-94800.1019.05...23.912.321.5
R-95857.2519.05...23.912.321.5
R-96914.4022.23...26.914.811.5
R-97965.2022.23...26.914.811.5
R-981022.3522.23...26.914.811.5
R-99234.9511.13...16.07.751.5
R-100749.3028.58...35.119.812.3
R-101800.1031.75...38.122.332.3
R-102857.2531.75...38.122.332.3
R-103914.4031.75...38.122.332.3
R-104965.2034.93...41.424.822.3
R-1051022.3534.93...41.424.822.3

GENERAL NOTES:
(a) All dimensions are in millimeters.
(b) Tolerances:
A = width of ring, ±0.20
B, H = height of ring, +1.3, −0.5
Variation in height throughout the entire circumference of any given ring shall not exceed 0.5 within these tolerances.
C = width of flat on octagonal ring, ±0.20
P = average pitch diameter of ring, ±0.18
R1 = radius in ring, ±0.5
23 deg = angle, ±0 deg 30 min.

CATEGORY AND TAGS:

Technical

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