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. 121-4728
Mfr. Part No.DSNU-16-25-P-A
BrandFesto
R 979.70
Each
units
DSNU Double 16mm 25mm 10 bar M5 Male Elastomer 20 x 136mm 101.4g - +80°C 20mm 136mm
RS stock no. 121-4647
Mfr. Part No.DSNU-20-80-PPV-A
BrandFesto
R 1,276.68
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. 510-8761
Mfr. Part No.RM/8010/M/10
R 714.47
Each
units
RM/8000/M Double 10mm 10mm 10 bar - - Buffer 16.5 (Dia.) x 74mm 37g - +80°C 16.5mm 74mm
RS stock no. 121-4675
Mfr. Part No.DSNU-25-250-PPV-A
BrandFesto
R 1,479.03
Each
units
DSNU Double 25mm 250mm 10 bar G 1/8 Male Air 27 x 391.5mm 513g - +80°C 27mm 391.5mm
RS stock no. 263-8988
Mfr. Part No.CD85N16-50-B
BrandSMC
R 678.77
Each
units
C85 Double 16mm 50mm 1 MPa - - Rubber 19.7 (Dia.) x 161mm 109g - +60°C 19.7mm 161mm
RS stock no. 304-3353
BrandRS PRO
R 598.43
Each
units
ISO 6432 Single 10mm 25mm 10 bar - - Buffer - - - +80°C - -
RS stock no. 121-4311
Mfr. Part No.DSNU-25-100-PPV-A
BrandFesto
R 1,384.24
Each
units
DSNU Double 25mm 100mm 10 bar G 1/8 Male Air 27 x 241.5mm 348g - +80°C 27mm 241.5mm
RS stock no. 838-9500
Mfr. Part No.CJ2B10-15T
BrandSMC
R 395.23
Each
units
CJ2 Single 10mm 15mm 0.7 MPa - - Rubber 89 x 12 x 12mm 366g 12mm +70°C - 89mm
RS stock no. 510-8957
Mfr. Part No.RM/8025/M/50
R 1,016.37
Each
units
RM/8000/M Double 25mm 50mm 10 bar - - Buffer 30 (Dia.) x 154mm 256g - +80°C 30mm 154mm
RS stock no. 121-4677
Mfr. Part No.DSNU-25-25-P-A
BrandFesto
R 1,143.21
Each
units
DSNU Double 25mm 25mm 10 bar G 1/8 Male Elastomer 27 x 166.5mm 265.5g - +80°C 27mm 166.5mm
RS stock no. 838-9140
Mfr. Part No.C85N16-40
BrandSMC
R 602.09
Each
units
C85 Double 16mm 40mm 1 MPa - - Rubber 19.7 (Dia.) x 151mm 250g - +80°C 19.7mm 151mm
RS stock no. 863-3932
Mfr. Part No.CDG1BN25-200Z
BrandSMC
R 886.40
Each
units
CDG1 Double 25mm 200mm 1 MPa - - Rubber Bumper 29 (Dia.) x 311mm 636g 311mm 60°C 29mm -
RS stock no. 849-7534
Mfr. Part No.NCJ2D16-050
BrandSMC
R 570.95
Each
units
NCJ2 Double 16mm 12.7mm 0.7 MPa - - Rubber 0.79 (Dia.) x 4.16 (L)in 133.4g - +70°C 20.07mm 4.16in
RS stock no. 510-8834
Mfr. Part No.RM/8016/M/25
BrandNorgren
R 836.31
Each
units
RM/8000/M Double 16mm 25mm 10 bar - - Buffer 21 (Dia.) x 107mm 82g - +80°C 21mm 107mm
RS stock no. 838-9156
Mfr. Part No.C85N20-400-X2018
BrandSMC
R 1,175.74
Each
units
C85 Double 20mm 400mm 1 MPa - - Rubber 28 (Dia.) x 526mm 266.7g - +80°C 28mm 526mm
RS stock no. 863-3908
Mfr. Part No.CDG1BN20-200Z
BrandSMC
R 818.78
Each
units
CDG1 Double 20mm 200mm 1 MPa - - Rubber Bumper 24 (Dia.) x 306mm 503.6g 306mm 60°C 24mm -
RS stock no. 121-4631
Mfr. Part No.DSNU-20-25-P-A
BrandFesto
R 1,073.86
Each
units
DSNU Double 20mm 25mm 10 bar G 1/8 Male Elastomer 27 x 157mm 204.8g - +80°C 27mm 157mm
RS stock no. 121-4678
Mfr. Part No.DSNU-25-25-PPS-A
BrandFesto
R 1,296.14
Each
units
DSNU Double 25mm 25mm 10 bar G 1/8 Male Air 27 x 166.5mm 265.5g - +80°C 27mm 166.5mm
RS stock no. 849-7376
Mfr. Part No.NCMB075-0200C
BrandSMC
R 736.00
Each
units
NCM Double 3/4in 50.8mm 1.7 MPa - - - 0.86 (Dia.) x 5.22 (L)in 149.7g - +60°C 21.84mm 5.22in
RS stock no. 624-0276
Mfr. Part No.C85N20-10S-B
BrandSMC
R 777.11
Each
units
C85 Single 20mm 10mm 1 MPa - - Rubber 28 (Dia.) x 136mm - - +60°C 28mm 136mm