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Seal Ring (mm - inch)
G-LOK ® sealrings are offered in a comprehensive range including.
AISI 4140, A564 GR 630 (17-4PH) and Alloy 718. They are coated with
either PTFE or MOS2 to provide lubrication during make-up. Sealrings
manufactured of materials or with coatings other than those specified in
the table can be available to meet specific service conditions. For
applications greater than 400° C, consult Galperti Engineering for advice
on materials and coatings. All G-LOK ® sealrings meet the hardness
requirements of NACE MR-01-75. For easy identification G-LOK ® sealrings
are coloured.
SEAL RING COLOR & MATERIAL
GREEN BLACK BLUE
4140 A564 Gr. 630 others
24
INSIDE DIAMETER OUTSIDE OVERAL RIB THICKNESS LIP DEPTH SEALRING
SIZE A DIAMETER C THICKNESS D E F WEIGHT
(mm) (inch) (mm) (inch) (mm) (inch) (mm) (inch) (mm) (inch) (kg) (lb)
4 12.79 0.504 25.40 1.000 9.53 0.375 3.17 0.125 3.18 0.125 0.01 0.022
5 15.96 0.628 27.80 1.094 9.53 0.375 3.17 0.125 3.18 0.125 0.01 0.022
7 23.08 0.909 34.90 1.374 9.53 0.375 3.17 0.125 3.18 0.125 0.02 0.044
8 25.55 1.006 40.80 1.606 9.53 0.375 3.17 0.125 3.18 0.125 0.03 0.066
11 28.73 1.131 44.00 1.732 9.53 0.375 3.17 0.125 3.18 0.125 0.03 0.066
13 38.10 1.500 60.30 2.374 9.61 0.378 3.17 0.125 3.22 0.127 0.05 0.110
14 40.90 1.610 66.70 2.626 14.29 0.563 6.35 0.250 3.97 0.156 0.13 0.287
16 47.71 1.878 68.30 2.689 15.87 0.625 6.35 0.250 4.76 0.187 0.12 0.265
20 53.24 2.096 82.50 3.248 19.05 0.750 6.35 0.250 6.35 0.250 0.20 0.441
23 61.21 2.410 88.90 3.500 19.05 0.750 6.35 0.250 6.35 0.250 0.20 0.441
25 69.15 2.722 101.60 4.000 19.05 0.750 6.35 0.250 6.35 0.250 0.30 0.661
27 78.71 3.099 108.00 4.252 19.05 0.750 6.35 0.250 6.35 0.250 0.30 0.661
31 83.50 3.287 114.30 4.500 19.05 0.750 6.35 0.250 6.35 0.250 0.30 0.661
34 94.66 3.727 127.00 5.000 19.05 0.750 6.35 0.250 6.35 0.250 0.40 0.882
40 104.32 4.107 139.70 5.500 25.40 1.000 6.34 0.250 9.53 0.375 0.50 1.102
42 107.50 4.232 168.30 6.626 25.40 1.000 6.34 0.250 9.53 0.375 0.90 1.984
46 121.85 4.797 157.20 6.189 25.40 1.000 6.34 0.250 9.53 0.375 0.60 1.323
52 136.14 5.360 168.30 6.626 25.40 1.000 6.34 0.250 9.53 0.375 0.60 1.323
53 139.70 5.500 171.90 6.768 25.40 1.000 6.34 0.250 9.53 0.375 0.61 1.345
54 139.70 5.500 173.10 6.815 25.40 1.000 6.34 0.250 9.53 0.375 0.66 1.455
56 147.25 5.797 190.50 7.500 25.40 1.000 6.34 0.250 9.53 0.375 0.80 1.764
62 156.50 6.161 200.00 7.874 34.93 1.375 9.53 0.375 12.70 0.500 1.50 3.307
64 167.60 6.598 222.40 8.756 34.93 1.375 9.53 0.375 12.70 0.500 1.90 4.189
67 177.14 6.974 222.30 8.752 34.93 1.375 9.53 0.375 12.70 0.500 1.70 3.748
72 186.70 7.350 241.30 9.500 34.93 1.375 9.53 0.375 12.70 0.500 2.00 4.409
73 190.38 7.495 245.00 9.646 34.93 1.375 9.53 0.375 12.70 0.500 2.00 4.409
74 193.04 7.600 247.60 9.748 34.93 1.375 9.53 0.375 12.70 0.500 2.10 4.630
76 199.40 7.850 254.00 10.000 34.93 1.375 9.53 0.375 12.70 0.500 2.20 4.850
82 212.10 8.350 257.20 10.126 34.93 1.375 9.53 0.375 12.70 0.500 2.00 4.409
84 218.40 8.598 282.60 11.126 34.93 1.375 9.53 0.375 12.70 0.500 2.70 5.952
87 227.90 8.972 282.60 11.126 34.93 1.375 9.53 0.375 12.70 0.500 2.40 5.291
91 231.70 9.122 330.40 13.008 35.45 1.396 9.56 0.376 12.95 0.510 4.20 9.259
92 235.00 9.252 297.40 11.709 34.93 1.375 9.53 0.375 12.70 0.500 2.90 6.393
94 243.80 9.598 304.80 12.000 34.93 1.375 9.53 0.375 12.70 0.500 2.80 6.173
97 253.30 9.972 304.80 12.000 34.93 1.375 9.53 0.375 12.70 0.500 2.60 5.732
102 262.90 10.350 304.80 12.000 34.93 1.375 9.53 0.375 12.70 0.500 2.30 5.071