Also known as: 75374, FD530-35CI1/4NPTOS
Compatible with: W013586810, W01-358-6810, WO13586810, WO1-358-6810
FD 530-35 CI 1/4 NPT OS,

Size of AIRSUSTECH 2B7557 replaces Fd 530-35 530 Contitech ​:

Loading Capacity at 20 psig: 2,040 lbsf

Loading Capacity at 60 psig: 6,120 lbsf

Loading Capacity at 90 psig: 9,180 lbsf

Operating Temperature: 57Cº to -54Cº

Nut / Blind Nut

Top Cover Plate Screw (Nut) Tooth : 2 pcs X M12X1.75

Screw Center Distance of Top Cover Plate : 159 mm

Bottom Cover Plate Screw (Nut) Tooth : 2 pcs X M12X1.75

Screw Center Distance of Bottom Cover Plate : 159 mm

Gas Hole / Air inlet / Air Fitting

Gas Hole / Air inlet : 1/4NPT , Combination Stud/Air Inlet Stud

Cover Plate

Top Cover Plate Diameter (Width): 289 mm

Bottom Cover Plate Diameter (Width): 289 mm

Rubber Bellows

Rubber Bellows MAX Diameter : 406 mm

Compressed Height: 104 mm / 4.1 inches

Maximum Height: 391 mm

Working Stroke : 287mm

Bumper block / Buffer block

With Bumper Block

Girdle Hoop / Girdle Ring

With Girdle Hoop :One Pieces of Girdle Hoop

Overall weight with clamped plates 7.7 kg

bellows type industrial air spring, double scroll, effective area 530cm square, maximum stroke 35cm, crimped pressure plate, internal thread, 1/4 NPT, offset
Compressed height
3.03"
Maximum expansion height
15.4"
The maximum diameter
15.9"
Maximum inflation pressure
120 psi
Maximum stroke
12.37"
Inlet type
Imperial
Air inlet
1/4"
series
C
lowest temperature
-76°F
Maximum temperature
158°F
Bellows type
Double convolution
weight
17 pounds

Vibration isolation - dynamic characteristic values

Design height H: recommended 285mm, minimum 265mm

Pressure p [bar] 345678 Vol V [l]

Additional types on request Force (Load) [KN] 18.7 25.1 31.6 38.2 44.6 51.2

Spring rate [N/cm] 1770 2250 2700 3180 3640 4100

Natural frequency [Hz] 1.5 1.5 1.5 1.4 1.4 1.4

Pneumatic application - static characteristic values

Force F [kN]

Pressure p [bar] 345678 Vol.( l )

Height H [mm] 320 14.9 20.4 25.9 32.0 37.6 43.7 26.0

280 18.5 24.5 31.0 38.1 45.0 51.7 23.2

240 21.1 28.0 35.5 43.3 50.3 57.9 20.5

200 23.1 30.7 38.5 47.1 54.8 62.8 17.5

M160 24.8 33.1 41.3 50.4 58.4 67.2 14.1

120 26.2 34.8 43.4 52.9 61.5 70.6 10.8


The drawing and data of AIRSUSTECH 2B7557 air spring: