GUANGZHOU GUOMAT AIR SPRING CO. , LTD
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American Trucks Air Spring 2B22R Parts GUOMAT NO. 2B5208 Bellows NO. 2B250
GUOMAT NO. 2B5208 Specifications and Detail Technical Parameters
❶Nut / Blind Nut
Top Cover Plate Screw (Nut) Tooth : 2 pcs X 3/8-16UNC
Screw Center Distance of Top Cover Plate : 45 mm
Bottom Cover Plate Screw (Nut) Tooth : 2 pcs X 3/8-16UNC
Screw Center Distance of Bottom Cover Plate : 45 mm
❷ Gas Hole / Air inlet / Air Fitting
Gas Hole / Air inlet : 3/8NPT
❸ Cover Plate
Top Cover Plate Diameter (Width): 111 mm
Bottom Cover Plate Diameter (Width): 111 mm
❹Rubber Bellows
Rubber Bellows Natural Diameter : 146 mm
Rubber Bellows MAX Diameter : 165 mm
Installation Space Diameter : 180 mm
Rubber Bellows Natural Height : 162 mm
Stroke of Rubber Bellows:65mm-175mm
❺ Bumper block / Buffer block
Without Bumper Block
❻ Girdle Hoop / Girdle Ring
With Girdle Hoop :One Pieces of Girdle Hoop
Double Convolution Air Spring Calculation inquiry:
| GUOMAT NO. | Product designation | Load capacity at | Natural frequency at | Recommended operating height | Required installation diameter | ||
| 5 bar | 8 bar | 5 bar | 8 bar | ||||
| Double Convolution Air Spring | |||||||
| FD 40 10 | FD 40-10 | 1,95 | 3,2 | 2,7 | 2,7 | 160 | 160 |
| FD 70 13 | FD 70-13 | 3,1 | 5 | 2,5 | 2,5 | 175 | 180 |
| FD 110 15 | FD 110-15 | 5,6 | 9,2 | 2,2 | 2,1 | 175 | 215 |
| FD 120 17 | FD 120-17 | 6,5 | 10,6 | 2 | 2 | 190 | 230 |
| FD 120 20 | FD 120-20 | 7,8 | 12,7 | 1,8 | 1,7 | 205 | 235 |
| FD 138 18 | FD 138-18 | 6,9 | 11,2 | 2 | 2 | 200 | 245 |
| FD 200 19 | FD 200-19 | 9 | 14,5 | 1,9 | 1,9 | 210 | 265 |
| FD 200 22 | FD 200-22 | 10,3 | 16,5 | 1,7 | 1,6 | 220 | 265 |
| FD 200 25 | FD 200-25 | 10,2 | 16,5 | 1,7 | 1,7 | 254 | 275 |
| FD 210 22 | FD 210-22 | 11,6 | 19,4 | 1,8 | 1,7 | 220 | 300 |
