Airtac PSB Single Acting Compact Cylinder PSB10X40SU
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB10X40SU is a single acting, push type (spring return) pen-size mini cylinder with a Ø10mm bore and 40mm 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.
- BoreØ10 mm
- Stroke40 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM8×1.0
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB10X40SU
The AirTAC PSB10X40SU is a JIS pen-size single-acting push cylinder with a 40 mm stroke. Air entering the single M5x0.8 port extends the Ø4 mm rod, while an internal spring retracts it upon exhaust release. This fail-safe design ensures the rod returns home if air pressure drops, needing only one solenoid line for simpler tubing. It delivers 29.8 N of net push at 0.5 MPa and 45.5 N at 0.7 MPa.
This variant includes a built-in piston magnet for position sensing with reed or electronic switches, plus a U-type 90-degree side inlet for flat plumbing in tight spaces. The SUS304 stainless barrel and slim body fit compact jigs. A fixed TPU bumper decelerates the stroke at each end, though at higher speeds with real tooling mass you should meter-out the exhaust or add an external shock absorber.
Airtac PSB Single Acting Compact Cylinder PSB10X40SU Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB10X40SU |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø10 mm |
| Rod diameter | Ø4 mm |
| Stroke | 40 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 (Ø10mm)
| Pressure | Net push force |
|---|---|
| 0.5 MPa | 29.8 N |
| 0.7 MPa (max) | 45.5 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 PSB10X40SU
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 10 | Bore size in mm. |
| ×40 | 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 PSB10X40SU Is Used
Stamping Ejector
Pushes small stamped parts out of a die on a press line. The spring-return design guarantees the ejector pin clears the tool when air is removed.
Package Diverter
Acts as a lightweight gate to deflect small cartons on a packaging conveyor. The 90-degree side inlet keeps the plumbing flush against the machine frame.
Lab Sample Clamp
Holds a test vial securely during a dispensing cycle. The fail-safe retract guarantees the clamp releases the vial if the compressed air supply is interrupted.
Is the Airtac PSB Single Acting Compact Cylinder PSB10X40SU the Right Cylinder?
This 10 mm bore provides 29.8 N net push at 0.5 MPa. Stepping down to a 6 mm bore drops the output to 10.6 N, while moving up to a 12 mm bore raises it to 42.9 N. The internal return spring sets a 0.2 MPa minimum pressure before motion begins. Plan for a safe working load of about 18 N (roughly 60 percent of the 0.5 MPa rating) to account for seal friction.
For vertical lifts, expect to raise about 1.5 kg safely with a 2:1 margin. Because the Ø4 mm rod is slender over a 40 mm stroke, add an external linear bearing for any off-axis loads. Confirm your ordering essentials: 10 mm bore, 40 mm stroke, S magnet, U side inlet, 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 PSB10X40SU FAQ
It provides 29.8 N of net push at 0.5 MPa and 45.5 N at 0.7 MPa maximum. The return spring requires a minimum of 0.2 MPa before the rod begins to move, and the rod fails safe in the retracted position on air loss.
The built-in S magnet works with both reed and electronic switches. The fixed TPU bumper cushions the rod at the end of the stroke, but for heavy tooling at mid-to-high speeds, you should meter-out the exhaust or use an external shock absorber.
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