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. 121-4762
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. 838-8718
Mfr. Part No.CD85N16-25S-B
BrandSMC
TWD1,774.00
Each
units
CD85 Single 16mm 25mm 1 MPa - - Rubber 19.7 (Dia.) x 111mm 176.2g - +60°C 19.7mm 111mm
RS Stock No. 863-3942
Mfr. Part No.CDG1BN32-150Z
BrandSMC
TWD1,960.00
Each
units
CDG1 Double 32mm 150mm 1 MPa - - Rubber Bumper 35.5 (Dia.) x 263mm 769.2g 263mm 60°C 35.5mm -
RS Stock No. 304-3864
BrandRS PRO
TWD1,846.00
Each
units
ISO 6432 Double 20mm 125mm 10 bar - - Buffer - - - +80°C - -
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. 121-4383
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
RS Stock No. 121-4638
Mfr. Part No.DSNU-20-35-PPV-A
BrandFesto
TWD2,409.00
Each
units
DSNU Double 20mm 35mm 10 bar G 1/8 Male Air 27 x 167mm 212g - +80°C 27mm 167mm
RS Stock No. 838-8702
Mfr. Part No.CD85F16-25-B
BrandSMC
TWD1,666.00
Each
units
CD85 Double 16mm 25mm 1 MPa - - Rubber 19.7 (Dia.) x 113mm 109g - +60°C 19.7mm 88mm
RS Stock No. 304-3555
BrandRS PRO
TWD1,675.00
Each
units
ISO 6432 Double 20mm 50mm 10 bar - - Buffer - - - +80°C - -
RS Stock No. 510-8935
Mfr. Part No.RM/8020/M/50
BrandNorgren
TWD2,342.00
Each
units
RM/8000/M Double 20mm 50mm 10 bar - - Buffer 30 (Dia.) x 145mm 181g - +80°C 30mm 145mm
RS Stock No. 456-6403
Mfr. Part No.P1A-S010DS-0010
BrandParker
TWD1,563.00
Each
units
P1A Double 10mm 10mm 10 bar - - Buffer 94 x 13 x 13mm - 13mm +80°C - 94mm
RS Stock No. 863-3964
Mfr. Part No.CDG1BN40-100Z
BrandSMC
TWD2,747.00
Each
units
CDG1 Double 40mm 100mm 1 MPa - - Rubber Bumper 44 (Dia.) x 230mm 1.1kg 230mm 60°C 44mm -
RS Stock No. 208-4426
Mfr. Part No.RT/57225/M/50
TWD1,956.00
Each
units
RT/57210/M/25 Double 25mm 50mm 10 bar - - Buffer 26.5 (Dia.) x 128.5mm - - +80°C 26.5mm 128.5mm
RS Stock No. 686-2514
Mfr. Part No.C85N25-50
BrandSMC
TWD1,958.00
Each
units
C85 Double 25mm 50mm 1 MPa - - Rubber 33.5 (Dia.) x 187mm 258g - +80°C 33.5mm 187mm