John Crane Type 1B Balanced Mechanical Seal
● 1.John crane type 1B
● 2.Replacement of John crane Type 1B balanced seal elastomer bellows
● 3.Structure Description: Equivalent to John crane type 1B
Performance Capabilities:
● Temperature: -20℃ to +120℃
● Pressure: ≤2.5MPa
● Speed: ≤15m/s
Materials:
● Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide, Co-binder Tungsten Carbide
● Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded, Co-binder Tungsten Carbide, Ni-binder Tungsten Carbide
● Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)
● Spring and Metal Parts: Stainless Steel, Stainless Steel
● Applications: Clean Water, Sewage Water, Oil and other moderately corrosive fluids.
Dimensions(inches)
|
d(inch) |
d(mm) |
D2 |
D3 |
D1 |
L1 |
L2 |
L6 |
|
1.000 |
25.4 |
33.32 |
38.10 |
41.28 |
47.63 |
11.10 |
8.71 |
|
1.125 |
28.6 |
36.50 |
41.28 |
44.44 |
49.20 |
11.10 |
8.71 |
|
1.250 |
31.8 |
39.70 |
46.02 |
47.63 |
49.20 |
11.10 |
8.71 |
|
1.375 |
34.9 |
42.84 |
47.63 |
50.80 |
50.80 |
11.10 |
8.71 |
|
1.500 |
38.1 |
46.05 |
50.80 |
53.98 |
50.80 |
11.10 |
8.71 |
|
1.625 |
41.3 |
50.80 |
57.15 |
60.33 |
60.33 |
12.70 |
11.10 |
|
1.750 |
44.5 |
53.97 |
60.33 |
63.50 |
60.33 |
12.70 |
11.10 |
|
1.875 |
47.6 |
57.15 |
63.50 |
66.68 |
63.50 |
12.70 |
11.10 |
|
2.000 |
50.8 |
60.32 |
66.68 |
69.85 |
63.50 |
12.70 |
11.10 |
|
2.125 |
54.0 |
60.32 |
71.42 |
76.20 |
69.85 |
14.27 |
12.70 |
|
2.250 |
57.2 |
61.90 |
74.60 |
79.38 |
69.85 |
14.27 |
12.70 |
|
2.375 |
60.3 |
67.39 |
77.77 |
82.55 |
73.03 |
14.27 |
12.70 |
|
2.500 |
63.5 |
68.25 |
80.95 |
85.73 |
73.03 |
14.27 |
12.70 |
|
2.625 |
66.7 |
71.42 |
85.73 |
85.73 |
79.38 |
15.88 |
14.27 |
|
2.750 |
69.9 |
74.60 |
88.90 |
88.90 |
79.38 |
15.88 |
14.27 |
|
2.875 |
73.0 |
77.77 |
92.08 |
95.25 |
82.55 |
15.88 |
14.27 |
|
3.000 |
76.2 |
80.95 |
95.25 |
98.43 |
82.55 |
15.88 |
14.27 |
|
3.125 |
79.4 |
84.12 |
101.60 |
101.60 |
88.90 |
19.84 |
15.88 |
|
3.250 |
82.6 |
87.30 |
104.78 |
104.78 |
88.90 |
19.84 |
15.88 |
|
3.375 |
85.7 |
90.47 |
107.95 |
107.95 |
88.90 |
19.84 |
15.88 |
|
3.500 |
88.9 |
93.65 |
111.13 |
111.13 |
88.90 |
19.84 |
15.88 |
|
3.625 |
92.1 |
96.82 |
114.30 |
114.30 |
92.08 |
19.84 |
15.88 |
|
3.750 |
95.3 |
100.00 |
117.48 |
117.48 |
92.08 |
19.84 |
15.88 |
|
3.875 |
98.4 |
103.17 |
120.65 |
120.65 |
95.25 |
19.84 |
15.88 |
|
4.000 |
101.6 |
106.35 |
123.83 |
123.85 |
95.25 |
19.84 |
15.88 |
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