| AIRSUSTECH Part Number:2B6943 | Goodyear Part Number: 2B9-250 |
| CONTITECH | FD 200-25 426 / 161 332 |
| AIRSUSTECH Bellows Number: 20-2 | Goodyear Part Number: 2B9 250 |
| Firestone Part Number: W01-358-6943 / | Goodyear Part Number: 2B9250 |
| | |
| Firestone Part Number: W013586943 / | Goodyear Bellows Number: 578-92-3-206 / |
| FIRESTONE | W01-358-6943 |
| Firestone Part Number: W01 358 6943 | Goodyear Bellows Number:578923206 / |
| Firestone Bellows Number: 20-2 | Goodyear Bellows Number:578 92 3 206 |
| GOODYEAR | 2B9-250 / 578 9 2 3206 |
| Firestone Bellows Number: 20 2 | Triangle Part Number: 4426 |
| | Triangle Bellows Number: 6332 |
| Firestone Bellows Number: 202 | Watson & Chalin #: AS-0041 |
| Top Plate Number: 3101 | Bellows NO.: 20-2 |
| Bottom Piston Number: 3090 | Order Number: W01-358-6943 |
| GRANNING | 63502 |
| LELAND | SC2122 |
| LOAD GUARD | SC2122 |
| NEWAY | 90557237 |
| RIDEWELL | 1003586943C |
| SAF HOLLAND | 905-57-237 |
| SMB/SUSPENSIONS INC. | 200835 |
| SPRING VALLEY | AS-4426 |
| TRIANGLE | 4426 |
| WATSON&CHALIN | AS-0041 |
CONTITECH FD 200-25 426
FIRESTONE W01-358-6943
GOODYEAR 2B9-250
OEM Information
WATSON&CHALIN AS-0041
NEWAY 90557237
product description
Manufacturer: Firestone
Double scroll airbag
Goodyear Bellows Number: 578-92-3-206
Goodyear Part Number: 2B9-250
Firestone bellows number: 20F-2
Firestone Part Number: W01-358-6943
Replacement: Watson & Chalin AS-0041, Neway 90557237 and V-Steer II (bag)
Cross references: 4426, 2B9250, AS0041, 2B9-250, 64549, FD 200-25 426, FD200-25426, FD20025426, W01-358-6943, W01356943
AIRSUSTECH 2B6943 Technical Data:
Compressed Height: 3.12 inches /
Top Cover Plate Diameter: 6.31 inches / 160mm
Bottom Cover Plate Diameter: 6.31 inches / 160mm
Screw Center Distance : 89 mm
Distance Gas Hole Between Nut 44.5 mm
Top Cover Plate Screw (Nut) Tooth : 2pcsX1/2-13UNC
Bottom Cover Plate Screw (Nut) Tooth : 2pcsX3/8-16UNC
Rubber Bellows MAX Diameter: 262 mm
The Working Stroke : MAX 325 mm to MIN 79 mm
Gas Hole / Air inlet : 1/4 NPTF
Assembly Weight: 8.1 lbs
Design Height: 9-11 inches
loading cap.at3.0bar: 11.17kn
loading cap.at7.0bar: 31.65kn
Maximum Diameter: 10.4 inches
Operating Temperature: 56Cº to -53Cº
Weight : 6.5kg
Desigh height : 300mm
Deflection(height min) :150mm
Deflection(height max):440mm
Working stroke: 290mm
Cross Information
AIRSUSTECH 2B6943 data replaces Fd200-25 426:
| Design height H: recommended 10 inch, minimum 9.06 inch |
| Pressure p [psi] | 40 | 60 | 80 | 100 | 120 | Vol. V [in.3] |
| Force (Load) [lbf] | 1230 | 1890 | 2540 | 3190 | 3840 | |
| Spring rate [lbf/in.] | 389 | 552 | 741 | 932 | 1080 | 538 |
| Natural frequency [Hz] | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | |
| Pneumatic application - static characteristic values
Force F [lbf] |
| Pressure p [psi] | 40 | 60 | 80 | 100 | 120 | Vol. V [in.3] |
| Height H [in.] | 11.0 | 948 | 1470 | 2000 | 2550 | 3110 | 560 |
| 10.0 | 1180 | 1780 | 2430 | 3060 | 3720 | 540 |
| 9.0 | 1370 | 2070 | 2780 | 3510 | 4240 | 510 |
| 8.0 | 1530 | 2280 | 3070 | 3850 | 4640 | 470 |
| 7.0 | 1670 | 2490 | 3340 | 4200 | 5030 | 440 |
| 6.0 | 1790 | 2680 | 3570 | 4470 | 5360 | 400 |
| 5.0 | 1880 | 2800 | 3750 | 4700 | 5570 | 350 |
| 4.0 | 1960 | 2910 | 3910 | 4900 | 5750 | 300 |
Description convolution/ convoluted air spring
convoluted air spring is a bellows style AIRSUSTECH air spring. The bellows air springs have one, two, or three convolutions in the flexible member. This dual complex air bags are often used as a lifting spring or shaft trucks and trailers, do an air spring, also as an actuator or insulator in the industrial and commercial applications and devices. The specifications will vary on your 2B9-250, but double convoluted AIRSUSTECH bags are found in crimped design as well as sleeve type bellows. They will provide similar features and functions but sleeve type of retainer permanent connection with the final between retainers and external replaceable parts plait ring.
