Norgren M/31082 ContiTech FD138-18 DS Double Convolution Total Air Spring Bellows
Products corresponding model
Norgren OEM: M / 31082 
ContiTech OEM :FD138-18 DS
Product Part Number
Norgren OEM: M / 31082 
ContiTech OEM :FD138-18 DS
Product Details

Norgren M/31082 ContiTech FD138-18 DS  Double Convolution Total Air Spring Bellows


Min. pressure 0 bar
Return force to min height ≤ 300 N
Overall weight 3.5 kg

Type 

Order No. 

Rubber bellows only 

66501 

with dismountable plates, G1/2 air inlet 

66505 

 

 

 

Vibration isolation – dynamic characteristic values 

Design height H: recommended 200mm, minimum 180mm 

Pressure p [bar] 

Vol. V [l] 

Force (Load) [kN] 

3.9 

5.3 

6.7 

8.2 

9.7 

11.3 

 

Spring rate [N/mm] 

76 

97 

118.5 

140 

161 

181.5 

4.1 

Natural frequency [Hz] 

2.2 

2.2 

2.1 

2.1 

2.1 

2.0 

 

 

 

Pneumatic application – static characteristic values 

Force F [kN] 

Pressure p [bar] 

Vol. V [l] 

Height H [mm] 

220 

2.9 

4.03 

5.16 

6.41 

7.65 

8.98 

4.3 

200 

3.86 

5.27 

6.68 

8.21 

9.73 

11.3 

4.1 

150 

5.9 

10.1 

12.4 

14.7 

16.9 

3.2 

100 

8.2 

10.9 

13.7 

16.6 

19.4 

22.4