ISO 9001:2000

TYPE MS8 - METAL BELLOWS SEAL

BALANCED SERIES
STANDARD SERIES
NTI SEAL NO.
SHAFT DIA.
A
MIN SEAL I.D.
B
SHELL O.D.
C
OPERATING LENGTH
D
MIN FREE LENGTH
E
MAX SOLID LENGTH
F
SHELL LENGTH
G
SEAL FACE ID
H
SEAL FACE OD
J
SEAL FACE ID
K
SEAL FACE OD
Type Shaft Size No.
NOMINAL
+ .005
- .000
+ .002
- .000
± .020
REF.
REF.
.005
MIN.
MAX.
MIN.
MAX.
SPECIAL*
SPECIAL*
SPECIAL*
SPECIAL*
1/4
5/16
3/8
7/16
MS805000
MS8056
MS8062
MS8068
MS8075
1/2
9/16
5/8
11/16
3/4
.531
.593
.656
.718
.781
1.0635
1.125
1.1885
1.251
1.375
.437
.477
.406
.406
.688
.751
.813
.876
.938
.818
.881
.943
1.006
1.068
.648
.711
.773
.836
.898
.778
.841
.903
.966
1.028
MS8081
MS8087
MS8093
13/16
7/8
15/16
.843
.906
.968
1.4385
1.501
1.626
.500
.540
.468
.468
1.033
1.095
1.158
1.163
1.225
1.288
.993
1.055
1.118
1.123
1.185
1.248
MS8100
MS8106
MS8112
MS8118
MS8125
1.000
1-1/16
1-1/8
1-3/16
1-1/4
1.031
1.093
1.156
1.218
1.281
1.6885
1.751
1.8135
1.876
2.001
.531
.571
.500
.500
1.251
1.314
1.376
1.439
1.501
1.381
1.444
1.506
1.569
1.631
1.211
1.274
1.336
1.399
1.461
1.341
1.404
1.466
1.529
1.593
MS8131
MS8137
MS8143
MS8150
MS8156
MS8162
1-5/16
1-3/8
1-7/16
1-1/2
1-9/16
1-5/8
1.343
1.406
1.468
1.531
1.593
1.656
2.0635
2.125
2.1885
2.251
2.3135
2.4385
.562
.602
.531
.531
1.569
1.631
1.694
1.756
1.819
1.881
1.701
1.763
1.826
1.888
1.951
2.013
1.529
1.591
1.654
1.716
1.779
1.841
1.661
1.723
1.786
1.848
1.911
1.973
MS8168
MS8175
MS8181
MS8187
MS8193
MS8200
1-11/16
1-3/4
1-13/16
1-7/8
1-15/16
2.000
1.718
1.781
1.843
1.906
1.968
2.031
2.501
2.5635
2.626
2.6885
2.751
2.9395
.593
.633
.562
.562
1.949
2.012
2.074
2.137
2.199
2.262
2.117
2.180
2.242
2.305
2.367
2.430
1.893
1.956
2.018
2.081
2.143
2.206
2.061
2.124
2.186
2.249
2.311
2.374
MS8212
MS8225
2-1/8
2-1/4
2.171
2.296
3.0645
3.252
.750
.790
.718
.718
2.442
2.567
2.612
2.737
2.386
2.511
2.556
2.681
MS8237
MS8250
MS8262
MS8275
MS8287
2-3/8
2-1/2
2-5/8
2-3/4
2-7/8
2.421
2.546
2.671
2.796
2.921
3.377
3.502
3.627
3.752
4.002
.813
.853
.781
.781
2.708
2.833
2.957
3.083
3.208
2.878
3.003
3.127
3.253
3.378
2.652
2.777
2.901
3.027
3.152
2.822
2.947
3.071
3.197
3.322
MS8300
MS8325
MS8350
MS8375
3.000
3-1/4
3-1/2
3-3/4
3.046
3.296
3.546
3.796
4.252
4.5024.752
5.127
.875
.915
.843
.843
3.323
3.573
3.823
4.073
3.517
3.767
4.017
4.267
3.263
3.513
3.763
4.013
3.457
3.707
3.957
4.207
MS840000
4.000
4.046
5.502
.937
.977
.906
.906
4.417
4.611
4.357
4.551

* Data on request.

Note: Dimensional location of seal ring face (min. and max. dia.) to be determined by pressure requirements of actual application and will be within the G&H and J&K dimensions.

Designs for larger sizes and specials available on request. Seal can be made with a flange and gasket for bolt on configuration. Designs available for submersible applications.

Return to TYPE MS8