GUANGZHOU GUOMAT AIR SPRING CO. , LTD
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2B6X6 GUOMAT Double Convoluted Suspension Air Spring FD70-13 Contitech Air Bellows
Description
Air Suspension Spring is a component of the automobile suspension system that uses compressed air as an elastic medium to replace traditional steel coil springs or leaf springs. It adjusts the internal air pressure to adapt to different loads and driving conditions, providing more flexible shock absorption and support performance.
Manufacturer: GUOMAT
Manufacturer Part Number: 2B6X6
OEM Contitech Part Number: FD70-13
OEM Contitech Part Number: FD 70-13
OEM Contitech Part Number: FD70-13 CI
OEM Contitech Part Number: FD 70-13 CI
OEM Contitech Part Number: FD70-13 CI G1/4
OEM Contitech Part Number: FD 70-13 CI G1/4
OEM EAA Part Number: 2E6X6
Technical Data
| Cover Plate | Top Cover Plate Diameter:113mm |
| Bottom Cover Plate Diameter:113mm | |
| Air Inlet | 1/2 NPT |
| Blind Nut | Screw and Gas Hole Distance Of Top Cover Plate:22mm |
| Screw Center Distance Of Top Cover Plate:44.5mm | |
| Top Cover Plate Screw (Nut) Tooth:2X3/8-16UNC | |
| Bottom Cover Plate Screw (Nut) Tooth:1X3/8-16UNC | |
| Rubber Bellow | Rubber Bellow Diameter:145mm |
| The Working Stroke:MAX 175mm to MIN 65mm | |
| Maximum Height:175mm | |
| Minimum Height:65mm | |
| Compression Height:110mm |
Pneumatic application – static characteristic value
Force (lbf)
| Pressure P | psi | 40 | 60 | 80 | 100 | 120 | Vol.V(in.3) |
| height H (in.) | 7.0 | 354 | 556 | 749 | 942 | 1140 | 110 |
| 6.5 | 459 | 679 | 906 | 1150 | 1400 | 100 | |
| 6.0 | 542 | 795 | 1070 | 1340 | 1630 | 93 | |
| 5.5 | 605 | 903 | 1200 | 1510 | 1820 | 91 | |
| 5.0 | 673 | 999 | 1340 | 1670 | 2040 | 84 | |
| 4.5 | 730 | 1090 | 1470 | 1830 | 2230 | 76 | |
| 4.0 | 797 | 1200 | 1600 | 1990 | 2400 | 68 | |
| 3.5 | 855 | 1280 | 1710 | 2150 | 2560 | 54 | |
| 3.0 | 901 | 1350 | 1790 | 2240 | 2640 | 40 |
Disadvantages and Maintenance of Suspension Air Springs
High cost: The structure is complex and the maintenance cost is much higher than that of traditional suspension.
Environmental sensitivity: Extreme low temperatures may cause rubber hardening or air path freezing.
Durability: The airbag may crack and leak after long-term use and needs to be checked regularly.
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