John Crane Type 58U Replacement
● John Crane Type 58U mechanical seal
● Structure Description: Equivalent to John crane 58U, Multiple spring design, Unbalanced seal
● Replacment of John crane Type 58U, AES M03S, Burgmann BT-C5.KU, Sterling 259S, VULCAN 1659S
Operating Limits:
● Temperature: -20---180℃
● Speed: 15m/s
● Pressure: 12bar
● Standard Size: 14-100mm
Material:
● Seal ring: Car,Sic,Ssic,Ceramic,TC
● Secondary seal: NBR,Viton,EPDM etc.
● Spring and metal parts: 304,316,HAST.C

Dimensions(mm)
|
Size |
d |
D3 |
D6 |
D7 |
L3 |
L4 |
L8 |
|
14 |
14 |
24 |
21 |
25 |
23.0 |
12.0 |
12.8 |
|
16 |
16 |
26 |
23 |
27 |
23.0 |
12.0 |
12.8 |
|
18 |
18 |
32 |
27 |
33 |
24.0 |
13.5 |
14.5 |
|
20 |
20 |
34 |
29 |
35 |
24.0 |
13.5 |
14.5 |
|
22 |
22 |
36 |
31 |
37 |
24.0 |
13.5 |
14.5 |
|
24 |
24 |
38 |
33 |
39 |
26.7 |
13.3 |
14.3 |
|
25 |
25 |
39 |
34 |
40 |
27.0 |
13.0 |
14.0 |
|
28 |
28 |
42 |
37 |
43 |
30.0 |
12.5 |
13.0 |
|
30 |
30 |
44 |
39 |
45 |
30.5 |
12.0 |
13.0 |
|
32 |
32 |
46 |
42 |
48 |
30.5 |
12.0 |
13.0 |
|
33 |
33 |
47 |
42 |
48 |
30.5 |
12.0 |
13.0 |
|
35 |
35 |
49 |
44 |
50 |
30.5 |
12.0 |
13.0 |
|
38 |
38 |
54 |
49 |
56 |
32.0 |
13.0 |
14.0 |
|
40 |
40 |
56 |
51 |
58 |
32.0 |
13.0 |
14.0 |
|
43 |
43 |
59 |
54 |
61 |
32.0 |
13.0 |
14.0 |
|
45 |
45 |
61 |
56 |
63 |
32.0 |
13.0 |
14.0 |
|
48 |
48 |
64 |
59 |
66 |
32.0 |
13.0 |
14.0 |
|
50 |
50 |
66 |
62 |
70 |
34.0 |
13.5 |
14.5 |
|
53 |
53 |
69 |
65 |
73 |
34.0 |
13.5 |
14.5 |
|
55 |
55 |
71 |
67 |
75 |
34.0 |
13.5 |
14.5 |
|
58 |
58 |
78 |
70 |
78 |
39.0 |
13.5 |
14.2 |
|
60 |
60 |
80 |
72 |
80 |
39.0 |
13.5 |
14.2 |
|
63 |
63 |
93 |
75 |
83 |
39.0 |
13.5 |
14.2 |
|
65 |
65 |
85 |
77 |
85 |
39.0 |
13.5 |
14.2 |
|
68 |
68 |
88 |
81 |
90 |
39.0 |
13.5 |
14.2 |
|
70 |
70 |
90 |
83 |
92 |
45.0 |
14.5 |
15.2 |
|
75 |
75 |
95 |
88 |
97 |
45.0 |
14.5 |
15.2 |
|
80 |
80 |
104 |
95 |
105 |
45.0 |
15.0 |
15.7 |
|
85 |
85 |
109 |
100 |
110 |
45.0 |
15.0 |
15.7 |
|
90 |
90 |
114 |
105 |
115 |
50.0 |
15.0 |
15.7 |
|
95 |
95 |
119 |
110 |
120 |
50.0 |
15.0 |
15.7 |
|
100 |
100 |
124 |
115 |
125 |
50.0 |
15.0 |
15.7 |