Pneumatic Roundline Cylinders

Pneumatic roundline cylinders are powered by compressed air to enable stroke extension and retraction movements. These motions can be up and down or inward and outward like, for example, the motions of an industrial weaving machine.

Their outer barrels are constructed from aluminium or stainless steel to ensure durability and corrosion resistance.

Some cylinders have cushioning that acts as a buffer between the cylinders and the machinery.

What are pneumatic roundline cylinders used for?

These components are mostly used to move light- to medium-weight objects. They are typically found in assembly line equipment such as packaging and production machinery.

Types of pneumatic roundline cylinders

They come in a variety of bore sizes, stroke lengths and are either single or double acting.

  • Single acting cylinders have just one extension stroke adjuster usually moving the piston outward with a spring to bring it back. They are used, for example, in cranes that lift and drop containers onto ships.
  • Double acting cylinders have extension and retraction motions driven by compressed air from two ports on either side. This type is often found on doors in hospitals.

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Description Price Manufacturer Series Action Bore Stroke Maximum Operating Pressure Pneumatic Connection Piston Rod Thread Gender Cushioning Type Dimensions Weight Height Maximum Operating Temperature Diameter Length
RS Stock No. 121-4683
Mfr. Part No.DSNU-25-300-PPV-A
BrandFesto
£67.40
Each
Units
DSNU Double 25mm 300mm 10 bar G 1/8 Male Air 27 x 441.5mm 568g - +80°C 27mm 441.5mm
RS Stock No. 624-0248
Mfr. Part No.CD85N25-250-B
BrandSMC
£61.68
Each
Units
C85 Double 25mm 250mm 1 MPa - - Rubber 33.5 (Dia.) x 387mm 258g - +60°C 33.5mm 387mm
RS Stock No. 838-9156
Mfr. Part No.C85N20-400-X2018
BrandSMC
£59.31
Each
Units
C85 Double 20mm 400mm 1 MPa - - Rubber 28 (Dia.) x 526mm 266.7g - +80°C 28mm 526mm
RS Stock No. 435-8858
Mfr. Part No.C85N20-25S
BrandSMC
£36.41
Each
Units
C85 Single 20mm 25mm 1 MPa - - Rubber 28 (Dia.) x 151mm - - +80°C 28mm 151mm
RS Stock No. 121-4710
Mfr. Part No.DSNU-16-100-PPV-A
BrandFesto
£52.43
Each
Units
DSNU Double 16mm 100mm 10 bar M5 Male Air 20 x 211mm 135.9g - +80°C 20mm 211mm
RS Stock No. 121-4669
Mfr. Part No.DSNU-25-200-PPV-A
BrandFesto
£64.81
Each
Units
DSNU Double 25mm 200mm 10 bar G 1/8 Male Air 27 x 341.5mm 458g - +80°C 27mm 341.5mm
RS Stock No. 510-8890
Mfr. Part No.RM/8025/M/40
BrandNorgren
£51.89
Each
Units
RM/8000/M Double 25mm 40mm 10 bar - - Buffer 30 (Dia.) x 144mm 245g - +80°C 30mm 144mm
RS Stock No. 121-4641
Mfr. Part No.DSNU-20-40-PPV-A
BrandFesto
£56.66
Each
Units
DSNU Double 20mm 40mm 10 bar G 1/8 Male Air 27 x 172mm 215.6g - +80°C 27mm 172mm
RS Stock No. 121-4745
Mfr. Part No.DSNU-20-100-PPV-A
BrandFesto
£58.02
Each
Units
DSNU Double 20mm 100mm 10 bar G 1/8 Male Air 27 x 232mm 258.8g - +80°C 27mm 232mm
RS Stock No. 121-4733
Mfr. Part No.DSNU-16-40-PPV-A
BrandFesto
£51.39
Each
Units
DSNU Double 16mm 40mm 10 bar M5 Male Air 20 x 151mm 108.3g - +80°C 20mm 151mm
RS Stock No. 121-4687
Mfr. Part No.DSNU-25-50-P-A
BrandFesto
£52.10
Each
Units
DSNU Double 25mm 50mm 10 bar G 1/8 Male Elastomer 27 x 191.5mm 293g - +80°C 27mm 191.5mm
RS Stock No. 121-4701
Mfr. Part No.DSNU-12-25-P-A
BrandFesto
£39.32
Each
Units
DSNU Double 12mm 25mm 10 bar M5 Male Elastomer 20 x 130mm 85g - +80°C 20mm 130mm
RS Stock No. 263-9004
Mfr. Part No.CD85N25-200-B
BrandSMC
£57.98
Each
Units
C85 Double 25mm 200mm 1 MPa - - Rubber 33.5 (Dia.) x 337mm 258g - +60°C 33.5mm 337mm
RS Stock No. 121-4649
Mfr. Part No.DSNU-25-100-P-A
BrandFesto
£53.40
Each
Units
DSNU Double 25mm 100mm 10 bar G 1/8 Male Elastomer 27 x 241.5mm 348g - +80°C 27mm 241.5mm
RS Stock No. 263-8843
Mfr. Part No.CD85N10-100-B
BrandSMC
£29.90
Each
Units
C85 Double 10mm 100mm 1 MPa - - Rubber 16.7 (Dia.) x 186mm 49g - +60°C 16.7mm 186mm
RS Stock No. 121-4663
Mfr. Part No.DSNU-25-15-PPV-A
BrandFesto
£60.03
Each
Units
DSNU Double 25mm 15mm 10 bar G 1/8 Male Air 27 x 156.5mm 254.5g - +80°C 27mm 156.5mm
RS Stock No. 121-4734
Mfr. Part No.DSNU-16-50-P-A
BrandFesto
£44.89
Each
Units
DSNU Double 16mm 50mm 10 bar M5 Male Elastomer 20 x 161mm 112.9g - +80°C 20mm 161mm
RS Stock No. 264-5087
Mfr. Part No.CD85N25-40-B
BrandSMC
£46.16
Each
Units
C85 Double 25mm 40mm 1 MPa - - Rubber 33.5 (Dia.) x 177mm 258g - +60°C 33.5mm 177mm
RS Stock No. 121-4647
Mfr. Part No.DSNU-20-80-PPV-A
BrandFesto
£57.57
Each
Units
DSNU Double 20mm 80mm 10 bar G 1/8 Male Air 27 x 212mm 244.4g - +80°C 27mm 212mm
RS Stock No. 208-4476
Mfr. Part No.RT/57232/M/80
BrandNorgren
£67.38
Each
Units
RT/57210/M/25 Double 32mm 80mm 10 bar - - Buffer 33.5 (Dia.) x 173mm - - +80°C 33.5mm 173mm
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