| |
|
Multiplier Factors |
| |
Selection Consideration |
Carbon vs. Sic |
Sic vs.Sic T/C vs.Sic |
| Speed |
Up to 3600 rpm Above 3600 rpm |
x1.00 x(3600/speed) |
x1.00 x(3600/speed) |
| Sealed Fluid Lubricity |
Petroleum/Gasoline,Kerosene,Lube Oil,etc… Water ad Aqueous Solutions (<80℃/176℉) Light Hydrocarbons (see Note 1) |
x1.00 x0.75 x0.60 |
x1.00 x0.75 |
| Sealed Fluid Temperature |
Up to 80℃/176℉ Up to 120℃/250℉ Up to 205℃/400℉ Up to 315℃/600℉ Above 315℃/600℉ |
x1.00 x0.90 x0.80 x0.65 x0.65 |
x1.00 x1.00 x1.00 x1.00 |
| Performance Capabilities |
|
| -Temperature: |
|
|
| -75℃ to +425℃/-100℉ to +800℉ |
|
| (with flexible graphite static packing) |
|
| |
|
|
| -Pressure: |
|
|
| Vacuum to 25 bar/360 psi |
|
| Vacuum to 69 bar/1,000 psi (with DOUBLE-PLY bellows) |
| |
|
|
| -Speed: |
|
|
| up to 50m/s/10,000 fpm |
|
| |
|
|
|
|
|
|
|
|
| |
inch |
mm |
| size code |
A |
B |
C |
D |
A |
B |
C |
D |
| -18 |
1.000 |
1.937 |
1.969 |
1.138 |
25.40 |
49.20 |
50.01 |
28.91 |
| -20 |
1.125 |
2.062 |
1.969 |
1.138 |
28.58 |
52.37 |
50.01 |
28.91 |
| -22 |
1.250 |
2.187 |
1.969 |
1.138 |
31.75 |
55.55 |
50.01 |
28.91 |
| -24 |
1.375 |
2.312 |
1.938 |
1.138 |
34.93 |
58.72 |
49.23 |
28.91 |
| -26 |
1.500 |
2.562 |
2.063 |
1.191 |
38.10 |
65.07 |
52.40 |
30.25 |
| -28 |
1.625 |
2.562 |
2.060 |
1.222 |
41.28 |
65.07 |
52.32 |
31.04 |
| -30 |
2.250 |
3.312 |
2.218 |
1.348 |
57.15 |
84.12 |
56.34 |
34.24 |
| -32 |
1.875 |
2.812 |
2.062 |
1.254 |
47.63 |
71.42 |
52.37 |
31.85 |
| -34 |
2.000 |
2.937 |
2.060 |
1.285 |
50.80 |
74.60 |
52.32 |
32.64 |
| -36 |
2.125 |
3.187 |
2.182 |
1.316 |
53.98 |
80.95 |
55.42 |
33.43 |
| -38 |
2.250 |
3.312 |
2.218 |
1.348 |
57.15 |
84.12 |
56.34 |
34.24 |
| -40 |
2.375 |
3.437 |
2.186 |
1.379 |
60.33 |
87.30 |
55.52 |
35.03 |
| -42 |
2.500 |
3.562 |
2.184 |
1.410 |
63.50 |
90.47 |
55.47 |
35.81 |
| -44 |
2.625 |
3.687 |
2.250 |
1.443 |
66.68 |
93.65 |
57.15 |
36.65 |
| -46 |
2.750 |
3.937 |
2.250 |
1.608 |
69.85 |
100.00 |
57.15 |
40.84 |
| -48 |
2.875 |
4.062 |
2.281 |
1.608 |
73.03 |
103.17 |
57.94 |
40.84 |
| -50 |
3.000 |
4.187 |
2.250 |
1.608 |
76.20 |
106.35 |
57.15 |
40.84 |
| -52 |
3.125 |
4.312 |
2.250 |
1.608 |
79.38 |
109.52 |
57.15 |
40.84 |
| -54 |
3.250 |
4.437 |
2.219 |
1.608 |
82.55 |
112.70 |
56.36 |
40.84 |
| -56 |
3.375 |
4.562 |
2.282 |
1.608 |
85.73 |
115.87 |
57.96 |
40.84 |
| -58 |
3.500 |
4.687 |
2.373 |
1.650 |
88.90 |
119.05 |
60.27 |
41.91 |
| -60 |
3.625 |
4.812 |
2.375 |
1.650 |
92.08 |
122.22 |
60.33 |
41.91 |
| -62 |
3.750 |
4.937 |
2.375 |
1.650 |
95.25 |
125.40 |
60.33 |
41.91 |
| -64 |
3.875 |
5.062 |
2.375 |
1.650 |
98.43 |
128.57 |
60.33 |
41.91 |
| Note: "A" is the maximum shaft or sleeve diameter in arrangements excluding a steam guide sleeve |
|
|
|
Single Spring Mechanical Seals
Auto pump seal
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