ISO 9001:2008

TYPE MS30 - COMPACT STATIONARY SEAL AND SEAT

A
B
C
E
F
G
H
J
K
NTI SEAL NO.
SHAFT DIAMETER
MINIMUM SEAL I.D.
SHELL O.D.
HOUSING BORE
MINIMUM MATING RING ID
CERAMIC AND CUP OD
SHELL FLANGE OD
CERAMIC AND CUP WIDTH
SEAL SHELL LENGTH
OPERATING SEAL LENGTH
Type Shaft Size Variation No.
NOMINAL
± .005
± .002
± .001
+ .060
- .010
± .005
+ .005
- .006
± .010
± .005
± .010
MS30037
3/8"
.433
.945
.942
.472
.906
1.142
.157
.276
.237
MS30050
7/16" &1/2"
.5591
1.1240
1.121
.5512
.9843
1.2480
.1969
.3150
.4015
MS30062
5/8" & 11/16"
.7165
1.4350
1.432
.7087
1.2205
1.6260
.1969
.3150
.4646
MS30075
3/4" & 13/16"
.8425
1.5748
1.571
.8268
1.3780
1.7204
.1969
.3740
.4331
MS30100
7/8" TO 1"
1.0394
1.8110
1.808
1.1417
1.7323
2.0079
.2756
.3937
.5906
MS30187
1 1/8" & 1 3/16"
1.2205
2.0472
2.044
1.2598
1.8898
2.2441
.3150
.4331
.6299

TYPE MS31 - COMPACT STATIONARY SEAL AND RUBBER CUP

A
C
E
F
G
H
M
N
O
P
NTI SEAL NO.
SHAFT DIAMETER
MINIMUM SEAL ID
HOUSING BORE
MINIMUM MATING RING ID
CERAMIC AND CUP OD
SHELL FLANGE OD
CERAMIC AND CUP WIDTH
SEAL & SEAT OVERALL LENGTH
RUBBER CUP SHELL OD
SEAL RUBBER CUP ID
SEAL RUBBER CUP LENGTH
Type Shaft Size Variation No.
NOMINAL
± .005
± .001
+ .060
- .010
± .005
+ .005
- .006
± .010
REF.
± .005
REF.
REF.
MS30037
3/8"
.433
1.062
.472
.906
1.142
.157
.708
1.062
.591
.295
MS31050
7/16" &1/2"
.5591
1.254
.5512
.9843
1.2480
.1969
.7559
1.2598
.7874
.3346
MS31062
5/8" & 11/16"
.7165
1.609
.7087
1.2205
1.6250
.1969
.8583
1.6142
.8661
.3740
MS31075
3/4" & 13/16"
.8425
1.766
.8268
1.3780
1.7204
.1969
.8858
1.7717
1.1811
.4331
MS31100
7/8" TO 1"
1.0394
2.042
1.1417
1.7323
2.0079
.2756
1.0630
2.0472
1.3780
.4527
MS31187
1 1/8" & 1 3/16"
1.2205
2.278
1.2598
1.8898
2.2441
.3150
1.1417
2.2835
1.5748
.4921

MATERIAL DESIGNATION - SUFFIX CODE

MATERIALS USED
NTI SPEC. NO. SUFFIX
BELLOWS
SPRING
SHELL
SEAL FACE
MATING RING
16
Buna "N"
Stainless Steel
Stainless Steel
Carbon
Ceramic
17
Viton
Stainless Steel
Stainless Steel
Carbon
Ceramic
18
Buna "N"
Stainless Steel
Stainless Steel
Carbon
Ni-Resist
19
Viton
Stainless Steel
Stainless Steel
Carbon
Ni-Resist
20
Buna "N"
Stainless Steel
Stainless Steel
Carbon
Bronze
21
Viton
Stainless Steel
Stainless Steel
Carbon
Bronze
22
Buna "N"
Stainless Steel
Stainless Steel
Carbon
Stainless Steel
23
Viton
Stainless Steel
Stainless Steel
Carbon
Stainless Steel

Return To TYPE MS30 & MS31