Airtac PSB Single Acting Compact Cylinder PSB16X50R
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB16X50R is a single acting, push type (spring return) pen-size mini cylinder with a Ø16mm bore and 50mm stroke. A single air port drives the push stroke; the built-in return spring resets the rod when air is released, so only one solenoid line is needed.
- BoreØ16 mm
- Stroke50 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM10×1.0
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB16X50R
The AirTAC PSB16X50R is a JIS pen-size single-acting push cylinder that extends its rod via one M5x0.8 air line and relies on an internal spring to retract safely upon exhaust loss. It supplies 74.8 N of net push at 0.5 MPa, reaching 115 N at the 0.7 MPa maximum. The slim SUS304 stainless barrel and rod fit tight jigs while resisting damp environments.
Because the spring constantly opposes the air stroke, a minimum 0.2 MPa is required before motion begins. This 50 mm stroke variant uses an R axial inlet for in-line plumbing and includes a fixed TPU bumper at each end to soften impact. Plan for a safe working load of roughly 45 N, which accounts for seal friction and smooth travel.
Airtac PSB Single Acting Compact Cylinder PSB16X50R Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB16X50R |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 50 mm |
| Acting type | Single acting, push type (spring return) |
| Port size | M5×0.8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Return | Return spring (push by air) |
| Max standard stroke | Up to 60 mm |
The spring holds the rod retracted; applying air pushes the rod out, and removing air lets the spring return it. Forces below are the NET spring-deducted values from the AirTAC thrust table. Confirm against the product label before installation.
Net Push Force (Ø16mm)
| Pressure | Net push force |
|---|---|
| 0.5 MPa | 74.8 N |
| 0.7 MPa (max) | 115.0 N |
These are the usable push forces after the return spring is subtracted, taken directly from the AirTAC single-acting thrust table. Minimum operating pressure is set by the spring, so this model needs at least the lower pressure shown to move.
Model Code: Airtac PSB Single Acting Compact Cylinder PSB16X50R
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| R / U / CB | Back cover: R axial inlet, U 90° side inlet, CB double clevis (bore-dependent). |
Mounting accessories: LB, FA, CJ. Related PB-family variants: PB (double acting), PTB (single-acting pull), PBD (double rod), PBR (front-mount).
Where the Airtac PSB Single Acting Compact Cylinder PSB16X50R Is Used
Stamping Part Ejector
Pushes formed metal parts out of a die on a press line. The spring-return design guarantees the ejector clears the die if compressed air fails, preventing press crashes.
Package Diverter Gate
Extends to route boxes on a packaging conveyor. The fail-safe retract pulls the gate back automatically on air loss, keeping the main belt path clear for uninterrupted flow.
Pneumatic Workpiece Clamp
Holds aluminum extrusions during a cutting operation. The single air line simplifies valve wiring while providing 74.8 N of push force to secure the stock.
Is the Airtac PSB Single Acting Compact Cylinder PSB16X50R the Right Cylinder?
Selecting this 16 mm bore provides the highest net thrust in the PSB family, outperforming the 42.9 N delivered by the 12 mm version at 0.5 MPa. It is the top boundary for pen-size single-acting push needs. The internal spring ensures the rod fails safe to the retracted home position if air pressure drops, making it ideal for clamp-release or part-eject duties.
Keep in mind the slender Ø5 mm rod handles coaxial thrust only; over this 50 mm stroke, add an external linear bearing to support any off-axis loads. Confirm your ordering essentials: 16 mm bore, 50 mm stroke, no magnet, R axial back cover, and your preferred mounting bracket.
Quick checklist
- ✓ Net push force at your working pressure
- ✓ Only one air line / solenoid needed
- ✓ Fail-safe retract on air loss
- ✓ Magnet (S) for sensors?
- ✓ Stroke ≤ 60 mm (single-acting limit)
- ✓ Keep the load coaxial — avoid side load
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 0.7 MPa operating pressure.
- check Allow for spring force in the stroke direction.
- check Do not add an external return mechanism.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
Airtac PSB Single Acting Compact Cylinder PSB16X50R FAQ
The net usable push force is 74.8 N at 0.5 MPa and 115 N at the 0.7 MPa maximum. Because an internal spring fights the air stroke, a minimum of 0.2 MPa is needed before the rod moves, and the spring pulls the rod back home when air is exhausted.
This 16 mm bore model uses a fixed TPU bumper at each end to decelerate the piston over the last few millimeters of travel. It is not an adjustable shock absorber; at high speeds with heavy tooling mass, meter-out the exhaust or add an external shock absorber to prevent bottoming out.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Related AirTAC PSB Pen-Size Cylinders
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