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SMC RS Series Aluminum Stopper Air Cylinder, Compact, Double Acting, Through Hole Mounting, Switch Ready, Cushioned

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Product Specifications
Item Shape
Bore Diameter
Not Listed  inches
Seal Material Type
Seat Material Type
Switch Type
Switch Ready
Material Type
Brand Name
SMC Corporation
Maximum Temperature
60  Degrees Celsius
Manufacturer Series Number
Upper Temperature Range
140  Degrees Fahrenheit
Mounting Type
Through Hole
Maximum Working Pressure
145  PSI
System of Measurement
LowerTemperature Range
14  Degrees Fahrenheit

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Rubber 10 millimeters 8 millimeters Not Listed Not Listed inches 5 millimeters 1 RSDQB12-10D B005JGSF6Q yes $18.01 Buy Options
Rubber 20 millimeters 12 millimeters Not Listed Not Listed inches 0.125 inches 1 RSDQB20-20D B005JGSFJI yes $20.24 Buy Options
Rubber 20 millimeters 20 millimeters Not Listed Not Listed inches 0.125 inches 1 RSDQB32-20D B005JGSG1A yes $77.63 Buy Options
Rubber 30 millimeters 25 millimeters Not Listed Not Listed inches 0.125 inches 1 RSDQB40-30D B005JGSGKQ yes $27.56 Buy Options

Key Features

  • Double-acting stopper air (pneumatic) cylinder for load holding and blocking in conveyance applications
  • Compact body with a fixed height for applications with specific dimensional requirements
  • Anodized aluminum body for resistance to corrosion and tarnishing
  • Switch ready with magnet sensor installed for connecting to electrical circuits for automation
  • Through-hole mounting for secure installation on rigid surfaces

Product Description

This SMC double-acting RS stopper air cylinder has a compact body, through-hole mounting, and is designed for load-holding applications in conveyor systems. The double-acting air cylinder (also called a pneumatic cylinder) uses airflow through two air ports on opposite ends of the cylinder barrel to push out and retract the piston rod to block and hold loads in conveyance. The compact stopper cylinder is designed with a fixed mounting height for use within specified dimensions, and its single piston rod has a round bar rod end configuration to provide strength for supporting and controlling loads. The air cylinder has an anodized aluminum body which is lightweight and resists corrosion and tarnishing. Rubber bumpers (cushions) help to absorb kinetic energy and dampen the sound of the piston striking the end caps, and nitrile butadiene rubber (NBR) seals contain air and help protect the barrel and piston rod. This air cylinder is "switch ready" with a magnet sensor installed for connecting to electrical circuits for pneumatic automation. The air cylinder has through-hole mounting for secure installation on rigid surfaces. The maximum pressure of the pneumatic cylinder is 145 pounds per square inch (psi), and it has a temperature range of 14 to 140 degrees F. This non-repairable air cylinder is suitable for stopping the movement of heavy loads and holding objects in place during conveyance applications.

Pneumatic actuators fall into two classes: linear and rotary. Linear actuators move objects in straight lines, while rotary actuators turn objects, or rotate them in varying directions. Air cylinders (also called pneumatic cylinders), the most common type of linear actuators, use pressurized air to pull and push piston rods in and out of cylinder barrels. This motion moves mechanisms connected to the rods, or (for detached items) directs or blocks travel using rod-attached plates. Air cylinders execute pushing, pulling, lifting, lowering, pressing, and stopping functions, and they come in several different body types, including round, compact, tie-rod, guided, slide, and clamp. Pneumatic cylinders can be either single acting, with one compressed air port to push the rod in a single direction and uses a spring to return the rod, or double acting, with two compressed air ports on opposite ends of the cylinder to both extend and retract the rod. For quieter piston operation, air cylinders can come with cushioning in one or both ends of their barrels. Several mounting styles are available both for attaching the air cylinder ends to moving components in a pneumatic system and for mounting to rigid surfaces. Air cylinders are used in industrialized automation applications in automotive, food processing, material handling, and robotics industry applications, among others.

SMC Corporation manufactures actuators, valves, airline equipment, connector fittings, electrical products, vacuum products, dryers, temperature control chillers, and accessories. SMC Corporation of America is headquartered in Noblesville, IN, and meets International Organization for Standardization (ISO) 9000:2000 standards.

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