Airtac PSB Single Acting Compact Cylinder PSB10X25U
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB10X25U is a single acting, push type (spring return) pen-size mini cylinder with a Ø10mm bore and 25mm 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
- Stroke25 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM8×1.0
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB10X25U
The AirTAC PSB10X25U is a JIS pen-size single-acting push cylinder that extends its Ø4 mm rod via one M5x0.8 air line and relies on a built-in return spring to retract safely upon exhaust loss. Because the spring constantly opposes the air stroke, it yields a true usable output of 29.8 N net push at 0.5 MPa and 45.5 N at 0.7 MPa. The U suffix equips this 10 mm bore body with a 90-degree side inlet for flat plumbing in cramped spaces.
Its slim SUS304 stainless barrel and fixed TPU bumper suit damp, tight jigs where a single solenoid line cuts tubing complexity. The internal spring guarantees the rod parks retracted without live air, making it ideal for part ejection or clamp release. Plan for roughly 18 N of real work to account for seal friction, which translates to lifting about 1.5 kg vertically with a sane 2:1 margin.
Airtac PSB Single Acting Compact Cylinder PSB10X25U Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB10X25U |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø10 mm |
| Rod diameter | Ø4 mm |
| Stroke | 25 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 PSB10X25U
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 10 | Bore size in mm. |
| ×25 | 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 PSB10X25U Is Used
Stamping Ejector
Pushes small stamped parts out of a die on signal, and the spring safely pulls the pin back when air drops so the press can reload without jamming.
Package Diverter
Briefly extends a 25 mm stroke gate to deflect lightweight cartons on a packaging line, using the 90-degree side inlet to keep the manifold tucked away.
Clamp Release
Applies 29.8 N of hold-down force at 0.5 MPa to secure a thin workpiece, automatically releasing the part if the compressed air supply fails.
Is the Airtac PSB Single Acting Compact Cylinder PSB10X25U the Right Cylinder?
This 10 mm bore provides 29.8 N net push at 0.5 MPa; sizing down to a Ø6 gives just 10.6 N, while stepping up to a Ø12 yields 42.9 N for heavier duty. A minimum 0.2 MPa is required before the rod overcomes the return spring and moves. Confirm your ordering essentials: 10 mm bore, 25 mm stroke, U side inlet, and no magnet (S omitted).
The thin Ø4 mm rod handles coaxial thrust well but needs an external guide or linear bearing if subjected to off-axis loads over its 25 mm stroke. Since the fixed TPU bumper only decelerates the final few millimeters, meter-out the exhaust or add an external shock absorber when cycling real tooling mass at high speeds.
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 PSB10X25U FAQ
It delivers 29.8 N net push at 0.5 MPa and 45.5 N at 0.7 MPa maximum. A minimum of 0.2 MPa is required to overcome the internal return spring; without live air, the spring holds the rod fail-safe retracted.
The U suffix designates a 90-degree side air inlet for tight mounting. Cushioning is handled by a fixed TPU bumper that decelerates the rod over the last few millimeters; it is not adjustable, so add an external shock absorber for heavy tooling mass.
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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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