GUANGZHOU GUOMAT AIR SPRING CO. , LTD
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W013586957 Firestone Double Air Spring Firestone Style Number 255-1.5
Description Assembly Order No.
Nut,1/4 NPT:WO1-358-6957 ／W01-358-6957 ／W013586957
Blind nuts, 1/4 NPT:WO1-358-6955 ／W01-358-6955 ／W013586955
Blind nuts, 3/4 NPT:WO1-358-6956 ／ W01-358-6956 ／ W013586956
Rubber bellows only:WO1-358-0048 ／ W01-358-0048 ／ W013580048
Ply Socket head aluminum bead:WO1-358-6833
Assembly weight 3.9 lbs.
Force to collapse to minimum height (@ 0 PSIG) 50 lbs.
Specifications and Detail Technical Parameters
Specifications
Weight 17 kg
1/4NPT : max. 25 Nm
❶Nut / Blind Nut
Top Cover Plate Screw (Nut) Tooth : 2 pcs X1/2-13
Screw Center Distance of Top Cover Plate : 44 mm
Bottom Cover Plate Screw (Nut) Tooth : 2 pcs X 3/8-16
Screw Center Distance of Bottom Cover Plate : 44 mm
❷ Gas Hole / Air inlet / Air Fitting
Gas Hole / Air inlet : 1/4NPT
❸ Cover Plate
Top Cover Plate Diameter (Width): 114 mm
Bottom Cover Plate Diameter (Width): 114 mm
❹Rubber Bellows
Rubber Bellows Natural Diameter : 146 mm
Rubber Bellows MAX Diameter : 165 mm
Installation Space Diameter : 180 mm
Rubber Bellows Natural Height : 175 mm
❺ Bumper block / Buffer block
Without Bumper Block
❻ Girdle Hoop / Girdle Ring
With Girdle Hoop :One Pieces of Girdle Hoop
| Dynamic Characteristics at 6.0 in. Design Height (Required for Airmount isolator design only) | ||||
| Volume @ 100 PSIG = 100 in3 | Natural Frequency | |||
| Gage Pressure (PSIG) | Load (lbs.) | Spring Rate (lbs./ in.) | CPM | HZ |
| 40 | 566 | 309 | 139 | 2.32 |
| 60 | 871 | 432 | 132 | 2.21 |
| 80 | 1,194 | 565 | 129 | 2.16 |
| 100 | 1,524 | 681 | 126 | 2.10 |
