Marsh Mellow™ Spring Selection Guide
Important Note
Please Note
The information contained in this selection guide, and all attached files, is intended to provide a general guide to the characteristics and applications of these products. The material, herein this web site, was developed through engineering design and development, testing and actual applications and is believed to be reliable and accurate.
Air Springs Supply Pty Ltd however, makes no warranty, express or implied, of this information.
Anyone making use of this material does so at his or her own risk and assumes all liability resulting from such use. It is suggested that competent professional assistance be employed for specific applications.
Product Use Warning
- Do not inflate assembly when it is unrestricted. Assembly must be restricted by suspension or other adequate structure
- Do not inflate beyond pressures recommended in design literature (contact firestone for information)
- Improper use or over inflation may cause assembly to burst causing property damage or severe personal injury.
Load Requirements
| UNLOADED SIZE | MINIMUM LOADING | MAXIMUM LOADING | ||||||||
| Marsh Mellow Spring | Data Page | Outside Diameter (in) | Inside Diameter (in) | Free Height (in) | Minimum Loading (lbs) | Compressed Height (in) | Natural Frequency (CPM) | Maximum Loading (lbs) | Compressed Height (in) | Natural Frequency (CPM) |
|---|---|---|---|---|---|---|---|---|---|---|
| W22-358-0216 | 32 | 15/8 | 5/8 | 13/4 | 145 | 1.50 | 414 | 315 | 1.27 | 304 |
| W22-358-0031 | 34 | 31/4 | 11/4 | 5 | 400 | 4.25 | 251 | 900 | 3.63 | 186 |
| W22-358-0183 | 35 | 3 | 1 | 4 | 350 | 3.40 | 230 | 680 | 2.90 | 242 |
| W22-358-0047 | 36 | 3 | 1 | 4 | 420 | 3.40 | 246 | 910 | 2.90 | 228 |
| W22-358-0030 | 37 | 3 | 1 | 3 | 475 | 2.55 | 293 | 925 | 2.18 | 216 |
| W22-358-0180 | 38 | 4 | 2 | 6 | 530 | 5.10 | 218 | 1100 | 4.35 | 162 |
| W22-358-0123 | 39 | 31/2 | 1 | 6 | 570 | 5.10 | 223 | 1225 | 4.35 | 165 |
| W22-358-0178 | 40 | 41/2 | 2 | 6 | 720 | 5.10 | 235 | 1690 | 4.35 | 173 |
| W22-358-0091 | 41 | 41/2 | 1 | 7 | 1120 | 5.95 | 213 | 2550 | 5.08 | 158 |
| W22-358-0064 | 42 | 5 | 1 | 7 | 1400 | 5.95 | 210 | 2860 | 5.08 | 165 |
| W22-358-0172 | 43 | 6 | 3 | 6 | 1400 | 5.10 | 208 | 3080 | 4.35 | 192 |
| W22-358-0186 | 44 | 61/2 | 3 | 8 | 1530 | 6.80 | 195 | 3350 | 5.80 | 144 |
| W22-358-0187 | 45 | 51/2 | 2 | 7 | 1540 | 5.95 | 182 | 3280 | 5.08 | 181 |
| W22-358-0200 | 46 | 6 | 1 | 6 | 1765 | 5.10 | 232 | 4050 | 4.35 | 171 |
| W22-358-0190 | 48 | 61/2 | 2 | 8 | 1990 | 6.80 | 186 | 4400 | 5.80 | 160 |
| W22-356-0122 | 49 | 6 | 1 | 8 | 2180 | 6.80 | 192 | 4670 | 5.80 | 142 |
| W22-358-0179 | 50 | 71/2 | 31/2 | 8 | 2300 | 6.80 | 180 | 5150 | 5.80 | 164 |
| W22-358-0176 | 51 | 71/2 | 31/2 | 10 | 2300 | 8.50 | 175 | 5300 | 7.25 | 144 |
| W22-358-0228 | 52 | 8 | 31/2 | 12 | 2700 | 10.20 | 158 | 5870 | 8.70 | 116 |
| W22-358-0232 | 53 | 8 | 2 | 8 | 3800 | 6.80 | 188 | 8400 | 5.80 | 178 |
| W22-358-0230 | 54 | 9 | 2 | 8 | 5200 | 6.80 | 182 | 11400 | 5.80 | 151 |
| W22-358-0108 | 55 | 10 | 2 | 14 | 5500 | 11.90 | 148 | 12250 | 10.15 | 110 |
| W22-358-0254 | 56 | 10 | 2 | 8 | 6600 | 6.80 | 199 | 15000 | 5.80 | 159 |
| W22-358-0143 | 57 | 11 | 2 | 6 | 8200 | 5.10 | 220 | 20000 | 4.35 | 204 |
| W22-358-0243 | 58 | 11 | 2 | 8 | 8300 | 6.80 | 195 | 19600 | 5.80 | 138 |
Stroke Requirements
| UNLOADED SIZE | MaximumAllowable Stroke @ 800 1200 CPM (in) | MINIMUM LOADING | MAXIMUM LOADING | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Marsh Mellow Spring | Data Page | Outside Diameter (in) | Inside Diameter (in) | Free Height (in) | Required Stroke (in) | Allowable Static Height Range (in) | Allowable Load Range (lbs) | Required Stroke (in) | Allowable Static Height Range (in) | Allowable Load Range (lbs) | |
| W22-358-0216 | 32 | 15/8 | 5/8 | 13/4 | 0.13 | .13 to .09 | 1.49 to 1.31 | 145 to 280 | .09 or less | 1.49 to 1.27 | 145 to 315 |
| W22-358-0031 | 34 | 31/4 | 11/4 | 5 | 0.38 | .38 to .25 | 4.25 to 3.75 | 400 to 800 | .25 or less | 4.25 to 3.83 | 400 to 900 |
| W22-358-0183 | 35 | 3 | 1 | 4 | 0.30 | .30 to .20 | 3.40 to 3.00 | 350 to 580 | .20 or less | 3.40 to 2.90 | 350 to 680 |
| W22-358-0047 | 36 | 3 | 1 | 4 | 0.30 | .30 to .20 | 3.40 to 3.00 | 420 to 790 | .20 or less | 3.40 to 2.90 | 420 to 910 |
| W22-358-0030 | 37 | 3 | 1 | 3 | 0.23 | .23 to .15 | 2.55 to 2.25 | 475 to 825 | .15 or less | 2.55 to 2.18 | 475 to 925 |
| W22-358-0180 | 38 | 4 | 2 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 530 to 990 | .30 or less | 5.10 to 4.35 | 530 to 1100 |
| W22-358-0123 | 39 | 31/2 | 1 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 570 to 1100 | .30 or less | 5.10 to 4.35 | 570 to 1225 |
| W22-358-0178 | 40 | 41/2 | 2 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 720 to 1480 | .30 or less | 5.10 to 4.35 | 720 to 1690 |
| W22-358-0091 | 41 | 41/2 | 1 | 7 | 0.53 | .53 to .35 | 5.95 to 5.25 | 1120 to 2220 | .35 or less | 5.95 to 5.08 | 1120 to 2550 |
| W22-358-0064 | 42 | 5 | 1 | 7 | 0.53 | .53 to .35 | 5.95 to 5.25 | 1400 to 2480 | .35 or less | 5.95 to 5.08 | 1400 to 2860 |
| W22-358-0172 | 43 | 6 | 3 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 1400 to 2290 | .30 or less | 5.10 to 4.35 | 1400 to 3080 |
| W22-358-0186 | 44 | 61/2 | 3 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 1530 to 2970 | .40 or less | 6.80 to 5.80 | 1530 to 3350 |
| W22-358-0187 | 45 | 51/2 | 2 | 7 | 0.53 | .53 to .35 | 5.95 to 5.25 | 1540 to 2600 | .35 or less | 5.95 to 5.08 | 1540 to 3280 |
| W22-358-0200 | 46 | 6 | 1 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 1765 to 3550 | .30 or less | 5.10 to 4.35 | 1765 to 4050 |
| W22-358-0190 | 48 | 61/2 | 2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 1990 to 3800 | .40 or less | 6.80 to 5.80 | 1990 to 4400 |
| W22-358-0122 | 49 | 6 | 1 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 2180 to 4100 | .40 or less | 6.80 to 5.80 | 2180 to 4670 |
| W22-358-0179 | 50 | 71/2 | 31/2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 2300 to 4070 | .40 or less | 6.80 to 5.80 | 2300 to 5150 |
| W22-358-0176 | 51 | 71/2 | 31/2 | 10 | 0.75 | .75 to .50 | 8.50 to 7.50 | 2300 to 3910 | .50 or less | 8.50 to 7.25 | 2300 to 5300 |
| W22-358-0228 | 52 | 8 | 31/2 | 12 | 0.90 | .90 to .60 | 10.20 to 9.00 | 2700 to 5100 | .60 or less | 10.20 to 8.70 | 2700 to 5870 |
| W22-358-0232 | 53 | 8 | 2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 3300 to 6600 | .40 or less | 6.80 to 5.80 | 3300 to 7900 |
| W22-358-0230 | 54 | 9 | 2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 5200 to 10000 | .40 or less | 6.80 to 5.80 | 5200 to 11400 |
| W22-358-0108 | 55 | 10 | 2 | 14 | 1.05 | 1.05 to .70 | 11.90 to 10.50 | 5500 to 10750 | .70 or less | 11.90 to 10.15 | 5500 to 12250 |
| W22-358-0254 | 56 | 10 | 2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 6600 to 13000 | .40 or less | 6.80 to 5.80 | 6600 to 15000 |
| W22-358-0143 | 57 | 11 | 2 | 6 | 0.45 | .45 to .30 | 5.10 to 4.50 | 8200 to 15500 | .30 or less | 5.10 to 4.35 | 8200 to 20000 |
| W22-358-0243 | 58 | 11 | 2 | 8 | 0.60 | .60 to .40 | 6.80 to 6.00 | 8300 to 16200 | .40 or less | 6.80 to 5.80 | 8300 to 19600 |