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Diaphragm Cylinders Catalog

Rolling diaphragm cylinders, Series RDCRolling diaphragm cylinders, Series RDC

Single acting, 52,5-115 dia

Technical Data

Type Rolling diaphragm cylinder
Working pressure p max. 8 bar (116 psi)
Ambient temperature range  -25 °C to +80 °C (-13 °F to +176 °F) 
Medium Compressed air, lubricated or non-lubricated
Material
Piston rod X 40 Cr 13, hardened
Cylinder tube St 35
Covers Aluminium
Seals NBR

Application area
Cylinder with extremely low friction for sensitive force control. Particularly suitable for pressure regulation with electro-pneumatic pressure control valves.
Caution !
Piston rod only to be moved by compressed air (min. 0,1 bar) (min 1 psi) on port "A". Exhaust "B" may not be closed.

Technical information

Effective piston dia.[mm]

52,5

 75

85 

95

115

Piston forces at 6 bar (87 psi), theoretical [N] (lbf) 1274 (286) 2599 (584) 3338 (750) 4170 (938) 6110 (1374)
Weight [kg] (lbs) 1,6 (3.5) 3 (6.6) 3,6 (7.9) 4,1 (9) 5,8 (12.8)

Part no.

Piston Ø
Piston rod thread(P)
Threaded ports¹) 

52,5
M 10 x 1,25
G1/8

75
M 10 x 1,25
G 3/8

85
M 16 x 1,5
G 1/4

95 
M 16 x 1,5
G 3/8

115
M 16 x 1,5
G 3/8

max. stroke 

 

 

 

 

 

40

5218535110

 -

- 

- 

 - 

60

- 

5218555110 

- 

- 

 -

70

- 

- 

5218565110 

 -

 -

75

 -

- 

- 

5218575120

 -

95

- 

- 

-

-

5218585120

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