OPERATING LIMITS


Pressure:        Up to 62 Bar g/900 psig

Speed:            Up to 25m/s/5000rpm

Temperature:  -50C to 500C
                         -60F to 930F
                         Depending on material used
 
Secondary Seal (TEFLON/GRAPHITE)

Stationary Ring (Ceramic / SIC/TC)

Rotary Ring (Carbon / SIC/TC)

Spring & Other Parts (S.S/SUS304/SUS316)
TYPE
SEAL CODE
SEAT CODE
d
d2
d3
d4
L1
L2
DBT - 1
0254
0222
22.23
25.4
36.5
39
33.3
8.7
DBT - 1 1/8
0285
0254
25.4
28.58
39.7
43
35
8.7
DBT - 1 1/4
0317
0285
28.58
31.75
42.9
46
35
8.7
DBT - 1 3/8
0349
0285
28.58
34.93
49.2
52
43
8.7
DBT - 1 1/2
0381
0317
31.75
38.1
49.2
52
36.5
8.7
DBT - 1 5/8
0412
0349
34.93
41.28
57.2
60
40.5
11.1
DBT - 1 3/4
0444
0381
38.1
44.45
58.7
62
44.5
11.1
DBT - 1 7/8
0476
0412
41.28
47.63
63.5
66
44.5
11.1
DBT - 2
0508
0444
44.45
50.8
66.7
70
44.5
11.1
DBT - 2 1/8
0539
0476
47.63
53.98
71.4
74.5
44.5
12.7
DBT - 2 1/4
0571
0508
50.8
57.15
72.2
75.5
44.5
12.7
DBT - 2 3/8
0603
0539
53.98
60.33
76.2
79.5
52.4
12.7
DBT - 2 1/2
0635
0571
57.15
63.5
79.4
82.6
52.4
12.7
DBT - 2 5/8
0666
0603
60.33
66.68
82.6
85.7
52.4
12.7
DBT - 2 3/4
0698
0635
63.5
69.85
85.7
88.9
52.4
12.7
DBT - 2 7/8
0730
0666
66.68
73.03
88.9
92.1
52.4
12.7
DBT - 3
0762
0698
69.85
76.2
92.1
95.3
52.4
12.7
DBT - 3 1/8
0793
0730
73.03
79.38
95.3
98.4
52.4
14.3
DBT - 3 1/4
0825
0762
76.2
82.55
98.4
101.6
52.4
14.3
DBT - 3 3/8
0857
0793
79.38
85.73
101.6
104.8
52.4
14.3
DBT - 3 1/2
0889
0825
82.55
88.9
104.8
108
52.4
14.3
DBT - 3 5/8
0920
0857
85.73
92.08
108
111.1
52.4
14.3
DBT - 3 3/4
0952
0889
88.9
95.25
111.1
114.3
52.4
14.3
DBT - 3 7/8
0984
0920
92.08
98.43
114.3
117.5
52.4
14.3
DBT - 4
1016
0952
95.25
101.6
117.5
120.7
52.4
14.3
 
SIZE
SEAL CODE
SEAT CODE
d
d2
d3
d4
L1
L2
24
0240
0200
20
24
38
40
31.5
6.5
26
0260
0220
22
26
40
42
31.5
6.5
28
0280
0240
24
28
42
44
34.2
6.7
30
0300
0250
25
30
44
46
34.2
6.7
33
0330
0280
28
33
47
49
37.5
7.5
35
0350
0300
30
35
49
51
38
8
38
0380
0320
32
38
54
58
38
8
40
0400
0350
35
40
56
60
38
8
43
0430
0380
38
43
59
63
39.5
10
45
0450
0400
40
45
61
65
39.5
10
48
0480
0430
43
48
64
68
39.5
10
50
0500
0450
45
50
66
70
39.5
10
53
0530
0480
48
53
69
73
39.5
10
55
0550
0500
50
55
71
75
44
11.5
58
0580
0530
53
58
78
83
44
11.5
60
0600
0550
55
60
80
85
44
11.5
63
0630
0580
58
63
83
88
49
11.5
65
0650
0600
60
65
85
90
49
11.5
68
0680
0630
63
68
88
93
49
11.5
70
0700
0650
65
70
90
95
49
11.5
75
0750
0700
70
75
95
104
55.5
13.5
80
0800
0750
75
80
104
109
55.5
13.5
85
0850
0800
80
85
109
114
55.5
13.5
90
0900
0850
85
90
114
119
60
13
95
0950
0900
90
95
119
124
60
13
100
1000
0950
95
100
124
129
60
13
 
Sales & Technical Advice contact
Craig
James 		craigm@msseal.co.za
jamesz@msseal.co.za

Account queries
Charlotte
charlottez@msseal.co.za