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. 264-5087
Mfr. Part No.CD85N25-40-B
BrandSMC
TWD2,076.00
Each
units
C85 Double 25mm 40mm 1 MPa - - Rubber 33.5 (Dia.) x 177mm 258g - +60°C 33.5mm 177mm
RS Stock No. 844-4571
Mfr. Part No.NCDMC150-1700-XC6
BrandSMC
TWD6,453.00
Each
units
NCM Double 38.1mm 431.8mm 1.7 MPa - - Not Cushioned 1.56 (Dia.) x 22.5in 1kg - +60°C 39.62mm 571.5mm
RS Stock No. 263-8988
Mfr. Part No.CD85N16-50-B
BrandSMC
TWD1,607.00
Each
units
C85 Double 16mm 50mm 1 MPa - - Rubber 19.7 (Dia.) x 161mm 109g - +60°C 19.7mm 161mm
RS Stock No. 263-8922
Mfr. Part No.CD85N20-25-B
BrandSMC
TWD1,778.00
Each
units
C85 Double 20mm 25mm 1 MPa - - Rubber 28 (Dia.) x 151mm 183g - +60°C 28mm 151mm
RS Stock No. 121-4761
Mfr. Part No.DSNU-20-200-P-A
BrandFesto
TWD2,234.00
Each
units
DSNU Double 20mm 200mm 10 bar G 1/8 Male Elastomer 27 x 332mm 330.8g - +80°C 27mm 332mm
RS Stock No. 121-4382
Mfr. Part No.DSNU-20-250-P-A
BrandFesto
TWD2,282.00
Each
units
DSNU Double 20mm 250mm 10 bar G 1/8 Male Elastomer 27 x 382mm 366.8g - +80°C 27mm 382mm
RS Stock No. 121-4637
Mfr. Part No.DSNU-20-320-PPV-A
BrandFesto
TWD2,684.00
Each
units
DSNU Double 20mm 320mm 10 bar G 1/8 Male Air 27 x 452mm 417.2g - +80°C 27mm 452mm
RS Stock No. 121-4743
Mfr. Part No.DSNU-20-100-P-A
BrandFesto
TWD2,138.00
Each
units
DSNU Double 20mm 100mm 10 bar G 1/8 Male Elastomer 27 x 232mm 258.8g - +80°C 27mm 232mm
RS Stock No. 121-4724
Mfr. Part No.DSNU-16-200-PPV-A
BrandFesto
TWD2,308.00
Each
units
DSNU Double 16mm 200mm 10 bar M5 Male Air 20 x 311mm 181.9g - +80°C 20mm 311mm
RS Stock No. 304-3820
BrandRS PRO
TWD1,812.00
Each
units
ISO 6432 Double 16mm 200mm 10 bar - - Buffer - - - +80°C - -
RS Stock No. 264-5122
Mfr. Part No.CD85N25-125-B
BrandSMC
TWD2,360.00
Each
units
C85 Double 25mm 125mm 1 MPa - - Rubber 33.5 (Dia.) x 262mm 258g - +60°C 33.5mm 262mm
RS Stock No. 121-4762
Mfr. Part No.DSNU-20-200-PPS-A
BrandFesto
TWD2,495.00
Each
units
DSNU Double 20mm 200mm 10 bar G 1/8 Male Air 27 x 332mm 330.8g - +80°C 27mm 332mm
RS Stock No. 187-9028
Mfr. Part No.0822334202
BrandAventics
TWD1,944.00
Each
units
MNI Double 25mm 25mm 10 bar - - Elastic - 235g 28mm +80°C - 144.5mm
RS Stock No. 176-1601
BrandRS PRO
TWD2,224.00
Each
units
- Double 16mm 200mm 10 bar - - Not Cushioned 19 Dia. x 309mm - - +80°C 19mm 309mm
RS Stock No. 838-9550
Mfr. Part No.CJPB6-5-B
BrandSMC
TWD662.00
Each
units
CJP Single 6mm 5mm 0.7 MPa - - - 40.5 x 12 x 13.9mm 14.9g 13.9mm +70°C - 40.5mm
RS Stock No. 863-3992
Mfr. Part No.CDG1BN50-100Z
BrandSMC
TWD4,202.00
Each
units
CDG1 Double 50mm 100mm 1 MPa - - Rubber Bumper 55 (Dia.) x 250mm 1.8kg 250mm 60°C 55mm -
RS Stock No. 700-5976
Mfr. Part No.CD85N16-40C-B
BrandSMC
TWD2,194.00
Each
units
C85 Double 16mm 40mm 1 MPa - - Air 19.7 (Dia.) x 151mm 109g - +60°C 19.7mm 151mm
RS Stock No. 849-7373
Mfr. Part No.NCMB075-0150S
BrandSMC
TWD2,461.00
Each
units
NCM Double 3/4in 38.1mm 1.7 MPa - - - 0.86 (Dia.) x 4.72 (L)in 137.4g - +60°C 21.84mm 4.72in
RS Stock No. 435-8870
Mfr. Part No.C85N25-25S
BrandSMC
TWD1,886.00
Each
units
C85 Single 25mm 25mm 1 MPa - - Rubber 33.5 (Dia.) x 162mm - - +80°C 33.5mm 162mm
RS Stock No. 121-4383
Mfr. Part No.DSNU-20-250-PPS-A
BrandFesto
TWD2,546.00
Each
units
DSNU Double 20mm 250mm 10 bar G 1/8 Male Air 27 x 382mm 366.8g - +80°C 27mm 382mm