China High Quality John Crane Mechanical Seal Suppliers – W20 Single spring mechanical seals replace Vulcan Diaphragm Mechanical Seals Type 20 – VICTOR SEALS Detail:
Features
•Resilient single spring, rubber Diaphragm Seal
•Supplied with a Type 20 boot-mounted stationary as standard
•Designed to suit original common UK housing sizes.
Operating ranges
•Temperature: -30°C to +150°C
•Pressure: Up to 8 bar (116 psi)
•For full Performance Capabilities please download data sheet
Limits are for guidance only. Product performance is dependent on materials and other operating conditions.
d stationary to fit same housing sizes and working lengths.
Combination Materials:
Stationary Ring: Ceramic/Carbon/SIC/SSIC/TC
Rotary Ring: Ceramic/Carbon/SIC/SSIC/TC
Secondary Seal: NBR/EPDM/Viton
Spring and Punched Parts:SS304/SS316
W20 data sheet of dimension(mm)

|
Size/Metric |
D3 |
D31 |
D7 |
L4 |
L3 |
|
10 |
22.95 |
20.50 |
24.60 |
8.74 |
25.60 |
|
11 |
23.90 |
22.80 |
27.79 |
8.74 |
25.60 |
|
12 |
23.90 |
24.00 |
27.79 |
8.74 |
25.60 |
|
13 |
26.70 |
24.20 |
30.95 |
10.32 |
25.60 |
|
14 |
26.70 |
26.70 |
30.95 |
10.32 |
25.60 |
|
15 |
26.70 |
26.70 |
30.95 |
10.32 |
25.60 |
|
16 |
31.10 |
30.40 |
34.15 |
10.32 |
25.60 |
|
18 |
31.10 |
30.40 |
34.15 |
10.32 |
25.60 |
|
19 |
33.40 |
30.40 |
35.70 |
10.32 |
25.60 |
|
20 |
33.40 |
33.40 |
37.30 |
10.32 |
25.60 |
|
22 |
39.20 |
33.40 |
40.50 |
10.32 |
25.60 |
|
24 |
39.20 |
38.00 |
40.50 |
10.32 |
25.60 |
|
25 |
46.30 |
39.30 |
47.63 |
10.32 |
25.60 |
|
28 |
49.40 |
42.00 |
50.80 |
11.99 |
33.54 |
|
30 |
49.40 |
43.90 |
50.80 |
11.99 |
33.54 |
|
32 |
49.40 |
45.80 |
53.98 |
11.99 |
33.54 |
|
33 |
52.60 |
45.80 |
53.98 |
11.99 |
33.54 |
|
35 |
52.60 |
49.30 |
53.98 |
11.99 |
33.54 |
|
38 |
55.80 |
52.80 |
57.15 |
11.99 |
33.54 |
|
40 |
62.20 |
55.80 |
60.35 |
11.99 |
33.54 |
|
42 |
66.00 |
58.80 |
63.50 |
11.99 |
40.68 |
|
43 |
66.00 |
58.80 |
63.50 |
11.99 |
40.68 |
|
44 |
66.00 |
58.80 |
63.50 |
11.99 |
40.68 |
|
45 |
66.00 |
61.00 |
63.50 |
11.99 |
40.68 |
|
48 |
66.60 |
64.00 |
66.70 |
11.99 |
40.68 |
|
50 |
71.65 |
66.00 |
69.85 |
13.50 |
40.68 |
|
53 |
73.30 |
71.50 |
73.05 |
13.50 |
41.20 |
|
55 |
78.40 |
71.50 |
76.00 |
13.50 |
41.20 |
|
58 |
82.00 |
79.60 |
79.40 |
13.50 |
41.20 |
|
60 |
82.00 |
79.60 |
79.40 |
13.50 |
41.20 |
|
63 |
84.90 |
81.50 |
82.50 |
13.50 |
41.20 |
|
65 |
88.40 |
84.60 |
92.10 |
15.90 |
49.20 |
|
70 |
92.60 |
90.00 |
95.52 |
15.90 |
49.20 |
|
73 |
94.85 |
92.00 |
98.45 |
15.90 |
49.20 |
|
75 |
101.90 |
96.80 |
101.65 |
15.90 |
49.20 |
Product detail pictures:

Related Product Guide:
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