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Variable Spring Load Tables
English Units
Load Selection Procedure - English Units Variability = Movement x Spring Rate If the variability is in question, a lower variability is more desirable. The lower variability does not transfer as much stress to the adjacent equipment at the cold (installed) position than a spring with higher variability. To comply with requirements of MSS SP-58 specifications, variability should not exceed 25%. If the design conditions cause the variability to exceed the recommended maximum, RILCO strongly suggests the use of one of our Constant Supports instead of a variable. NOTE: The lower the variability the better the result. Your RILCO “Support Team” is always available to assist you with these calculations or to recommend product choices. |
Spring Hanger Figure and Size Selection 4. Verify that both loads are within the working range, preferably equidistance from the center of the load chart. When Hot (operating) and Cold (installed) loads are known: |
Variable Spring Load Chart (lbs) | |||||||||||||||
Working Range (in) |
Size |
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RVS-268 |
RVS-82, 268, 98, Triple & Quadruple Spring |
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RVS- |
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Quadruple |
Triple |
98 |
268 |
82 |
000 |
00 |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
2 |
1-1/2 |
1 |
1/2 |
1/4 |
7 |
19 |
43 |
63 |
81 |
105 |
141 |
186 |
252 |
336 |
450 |
7 |
20 |
44 |
66 |
84 |
109 |
147 |
197 |
263 |
350 |
469 |
|||||
8 |
22 |
46 |
68 |
88 |
114 |
153 |
206 |
273 |
364 |
488 |
|||||
9 |
24 |
48 |
71 |
91 |
118 |
159 |
213 |
284 |
378 |
506 |
|||||
0 |
0 |
0
|
0
|
0
|
10 |
26 |
50 |
74 |
95 |
123 |
165 |
221 |
294 |
392 |
525 |
11 |
28 |
52 |
76 |
98 |
127 |
170 |
228 |
305 |
406 |
544 |
|||||
12 |
30 |
54 |
79 |
101 |
131 |
176 |
236 |
315 |
420 |
563 |
|||||
12 |
31 |
56 |
81 |
105 |
136 |
182 |
244 |
326 |
434 |
581 |
|||||
2
|
1-1/2
|
1
|
1/2 |
1/4 |
14 |
34 |
58 |
84 |
108 |
140 |
188 |
252 |
336 |
448 |
600 |
14 |
35 |
59 |
87 |
111 |
144 |
194 |
260 |
347 |
462 |
619 |
|||||
15 |
38 |
61 |
89 |
115 |
149 |
200 |
268 |
357 |
476 |
638 |
|||||
16 |
40 |
63 |
92 |
118 |
153 |
206 |
276 |
368 |
490 |
656 |
|||||
4
|
3
|
2
|
1
|
1/2 |
17 |
41 |
65 |
95 |
122 |
158 |
212 |
284 |
378 |
504 |
675 |
18 |
43 |
67 |
97 |
125 |
162 |
217 |
291 |
389 |
518 |
694 |
|||||
19 |
45 |
69 |
100 |
128 |
166 |
223 |
299 |
399 |
532 |
713 |
|||||
20 |
47 |
71 |
102 |
132 |
171 |
229 |
307 |
410 |
546 |
731 |
|||||
6
|
4-1/2
|
3
|
1-1/2 |
3/4 |
21 |
49 |
73 |
105 |
135 |
175 |
235 |
315 |
420 |
560 |
750 |
21 |
50 |
74 |
108 |
138 |
179 |
241 |
323 |
431 |
574 |
769 |
|||||
22 |
53 |
76 |
110 |
142 |
184 |
247 |
331 |
441 |
588 |
788 |
|||||
23 |
55 |
78 |
113 |
145 |
188 |
253 |
339 |
452 |
602 |
806 |
|||||
8
|
6
|
4
|
2
|
1
|
24 |
56 |
80 |
116 |
149 |
193 |
258 |
347 |
462 |
616 |
825 |
25 |
58 |
82 |
118 |
152 |
197 |
264 |
354 |
473 |
630 |
844 |
|||||
26 |
60 |
84 |
121 |
155 |
201 |
270 |
362 |
483 |
644 |
863 |
|||||
27 |
62 |
86 |
123 |
159 |
206 |
276 |
370 |
494 |
658 |
881 |
|||||
10 |
7-1/2 |
5 |
2-1/2 |
1-1/4 |
28 |
64 |
88 |
126 |
162 |
210 |
282 |
378 |
504 |
672 |
900 |
2 |
1-1/2 |
1 |
1/2 |
1/4 |
28 |
66 |
89 |
129 |
165 |
214 |
288 |
386 |
515 |
686 |
919 |
29 |
68 |
91 |
131 |
169 |
219 |
294 |
394 |
525 |
700 |
938 |
|||||
30 |
70 |
93 |
134 |
172 |
223 |
300 |
402 |
536 |
714 |
956 |
|||||
31 |
72 |
95 |
137 |
176 |
228 |
306 |
410 |
546 |
728 |
975 |
|||||
|
|
|
|
82 |
Spring Rate (lbs/In) |
||||||||||
- |
- |
30 |
42 |
54 |
70 |
94 |
126 |
168 |
224 |
300 |
|||||
268 |
7 |
15 |
15 |
21 |
27 |
35 |
47 |
63 |
84 |
112 |
150 |
||||
98 |
- |
- |
7 |
10 |
13 |
17 |
23 |
31 |
42 |
56 |
75 |
||||
TRIPLE |
- |
- |
5 |
7 |
9 |
12 |
16 |
21 |
28 |
37 |
50 |
||||
QUADRUPLE |
- |
- |
4 |
5 |
7 |
9 |
12 |
16 |
21 |
28 |
38 |
Variable Spring Load Chart (lbs) |
|||||||||||||||||
Size |
Working Range (in) |
||||||||||||||||
RVS-82, 268, 98, Triple & Quadruple Spring |
|||||||||||||||||
RVS- |
|||||||||||||||||
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
82 |
268 |
98 |
Triple |
Quad |
780 |
1020 |
1350 |
1800 |
2400 |
3240 |
4500 |
6000 |
7990 |
10610 |
14100 |
18750 |
25005 |
1/4 |
1/2 |
1 |
1-1/2 |
2 |
813 |
1063 |
1406 |
1875 |
2500 |
3375 |
4688 |
6250 |
8322 |
11053 |
14588 |
19531 |
26047 |
|||||
845 |
1105 |
1463 |
1950 |
2600 |
3510 |
4875 |
6500 |
8655 |
11495 |
15275 |
20313 |
27089 |
|||||
878 |
1148 |
1519 |
2025 |
2700 |
3645 |
5063 |
6750 |
8987 |
11938 |
15863 |
21094 |
28313 |
|||||
910 |
1190 |
1575 |
2100 |
2800 |
3780 |
5250 |
7000 |
9320 |
12380 |
16450 |
21875 |
29173 |
0 |
0 |
0 |
0 |
0 |
943 |
1233 |
1631 |
2175 |
2900 |
3915 |
5438 |
7250 |
9652 |
12823 |
17038 |
22656 |
30215 |
|||||
975 |
1275 |
1688 |
2250 |
3000 |
4050 |
5625 |
7500 |
9985 |
13265 |
17625 |
23438 |
31256 |
|||||
1008 |
1318 |
1744 |
2325 |
3100 |
4185 |
5813 |
7750 |
10317 |
13708 |
18213 |
24219 |
32298 |
|||||
1040 |
1360 |
1800 |
2400 |
3200 |
4320 |
6000 |
8000 |
10650 |
14150 |
18800 |
25000 |
3340 |
1/4
|
1/2
|
1
|
1-1/2
|
2
|
1073 |
1403 |
1865 |
2475 |
3300 |
4455 |
6188 |
8250 |
10982 |
14592 |
19388 |
25781 |
34382 |
|||||
1105 |
1445 |
1913 |
2550 |
3400 |
4590 |
6375 |
8500 |
11315 |
15035 |
19975 |
26563 |
35424 |
|||||
1138 |
1488 |
1969 |
2625 |
3500 |
4725 |
6563 |
8750 |
11647 |
15477 |
20563 |
27344 |
36466 |
|||||
1170 |
1530 |
2025 |
2700 |
3600 |
4860 |
6750 |
9000 |
11980 |
15920 |
21150 |
28125 |
37508 |
1/2
|
1
|
2
|
3
|
4
|
1203 |
1573 |
2081 |
2775 |
3700 |
4995 |
6938 |
9250 |
12312 |
16362 |
21738 |
28906 |
38549 |
|||||
1235 |
1615 |
2138 |
2850 |
3800 |
5130 |
7125 |
9500 |
12645 |
16805 |
22325 |
29688 |
39591 |
|||||
1268 |
1658 |
2194 |
2925 |
3900 |
5265 |
7313 |
9750 |
12977 |
17247 |
22913 |
30469 |
40633 |
|||||
1300 |
1700 |
2250 |
3000 |
4000 |
5400 |
7500 |
10000 |
13310 |
17690 |
23500 |
31250 |
41675 |
3/4
|
1-1/2
|
3
|
4-1/2
|
6
|
1333 |
1743 |
2306 |
3075 |
4100 |
5535 |
7688 |
10250 |
13642 |
18132 |
24088 |
32031 |
42717 |
|||||
1365 |
1785 |
2363 |
3150 |
4200 |
5670 |
7875 |
10500 |
13975 |
18575 |
24675 |
32813 |
43759 |
|||||
1398 |
1828 |
2419 |
3225 |
4300 |
5805 |
8063 |
10750 |
14307 |
19017 |
25263 |
33594 |
44801 |
|||||
1430 |
1870 |
2475 |
3300 |
4400 |
5940 |
8250 |
11000 |
14640 |
19460 |
25850 |
34375 |
45843 |
1 |
2 |
4 |
6 |
8 |
1463 |
1913 |
2531 |
3375 |
4500 |
6075 |
8438 |
11250 |
14972 |
19902 |
26438 |
35156 |
46885 |
|||||
1495 |
1955 |
2588 |
3450 |
4600 |
6210 |
8625 |
11500 |
15305 |
20345 |
27025 |
35938 |
47926 |
|||||
1528 |
1998 |
2644 |
3525 |
4700 |
6345 |
8813 |
11750 |
15637 |
20787 |
27613 |
36719 |
48968 |
|||||
1560 |
2040 |
2700 |
3600 |
4800 |
6480 |
9000 |
12000 |
15970 |
21230 |
28200 |
37500 |
50010 |
1-1/4 |
2-1/2 |
5 |
7-1/2 |
10 |
1593 |
2083 |
2756 |
3675 |
4900 |
6615 |
9188 |
12250 |
16302 |
21672 |
28788 |
38281 |
51052 |
1/4 |
1/2 |
1 |
1-1/2 |
2 |
1625 |
2125 |
2813 |
3750 |
5000 |
6750 |
9375 |
12500 |
16635 |
22115 |
29375 |
39063 |
52094 |
|||||
1658 |
2168 |
2869 |
3825 |
5100 |
6885 |
9563 |
12750 |
16967 |
22557 |
29963 |
39844 |
53136 |
|||||
1690 |
2210 |
2925 |
3900 |
5200 |
7020 |
9750 |
13000 |
17300 |
23000 |
30550 |
40625 |
54178 |
|||||
Spring Rate (lbs/In) |
82 |
|
|
|
|
||||||||||||
520 |
680 |
900 |
1200 |
1600 |
2160 |
3000 |
4000 |
5200 |
7080 |
9400 |
12500 |
16670 |
|||||
260 |
340 |
450 |
600 |
800 |
1080 |
1500 |
2000 |
2660 |
3540 |
4700 |
6250 |
8335 |
268 |
||||
130 |
170 |
225 |
300 |
400 |
540 |
750 |
1000 |
1330 |
1770 |
2350 |
3125 |
4167 |
98 |
||||
87 |
113 |
150 |
200 |
267 |
360 |
500 |
667 |
887 |
1180 |
1567 |
2083 |
2778 |
TRIPLE |
||||
65 |
85 |
113 |
150 |
200 |
270 |
375 |
500 |
665 |
885 |
1175 |
1563 |
2084 |
QUADRUPLE |