Airtac PSB Single Acting Compact Cylinder PSB6X5SR
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB6X5SR is a single acting, push type (spring return) pen-size mini cylinder with a Ø6mm bore and 5mm 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.
- BoreØ6 mm
- Stroke5 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM5×0.8
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB6X5SR
The AirTAC PSB6X5SR is a JIS pen-size single-acting push cylinder with a 5 mm stroke. Air entering the M5x0.8 port extends the Ø3 mm rod, while an internal spring retracts it upon exhaust release. This fail-safe design ensures the rod returns home if air pressure drops, making it ideal for clamp-release and part-eject tasks. You get 10.6 N of net push at 0.5 MPa.
Built with a SUS304 stainless barrel and a slim body, it fits tight spaces and damp jigs. The -S suffix adds a piston magnet for position sensing with reed or electronic switches. A fixed TPU bumper cushions the stroke ends. For real-world planning, target a safe working load of about 6 N (roughly 60% of the 0.5 MPa rating) to account for seal friction.
Airtac PSB Single Acting Compact Cylinder PSB6X5SR Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB6X5SR |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø6 mm |
| Rod diameter | Ø3 mm |
| Stroke | 5 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 (Ø6mm)
| Pressure | Net push force |
|---|---|
| 0.5 MPa | 10.6 N |
| 0.7 MPa (max) | 16.3 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 PSB6X5SR
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 6 | Bore size in mm. |
| ×5 | 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 PSB6X5SR Is Used
Small Part Ejection
Pushes lightweight molded components out of a machining fixture. The spring-return design guarantees the ejector retracts clear of the workspace when air is removed.
Sorting Gate Diverter
Acts as a compact diverter arm on a packaging line. Its fail-safe retract ensures the gate opens to let products pass safely during an emergency air loss stop.
Lab Test Clamp
Secures delicate vials or test strips during automated analysis. The slim pen-size body and 6 N safe working load provide gentle, precise holding force.
Is the Airtac PSB Single Acting Compact Cylinder PSB6X5SR the Right Cylinder?
This 6 mm bore provides 10.6 N net push at 0.5 MPa and 16.3 N at 0.7 MPa. If you need less force, the Ø4 bore offers 4.1 N at 0.5 MPa; for heavier jobs, step up to the Ø10 bore yielding 29.8 N. The internal return spring sets a 0.2 MPa minimum pressure before motion begins. With a 2:1 safety margin, this model lifts about 0.5 kg vertically.
Ordering essentials include confirming the 6 mm bore, 5 mm stroke, -S magnet, and R axial inlet. The thin Ø3 mm rod handles coaxial thrust well, but add an external guide for any off-axis loads. Because the TPU bumper only decelerates the last few millimeters, meter-out the exhaust if moving real tooling mass at higher 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 PSB6X5SR FAQ
It delivers 10.6 N net push at 0.5 MPa and 16.3 N at 0.7 MPa. The internal spring requires a minimum of 0.2 MPa before the rod extends. The spring also ensures the rod fails-safe to a retracted position on air loss.
Yes, the -S suffix indicates a built-in piston magnet compatible with AirTAC reed or electronic switches. The cylinder uses a fixed TPU bumper at each end to decelerate the last few mm of travel; it is not adjustable, so meter-out the exhaust if operating at high speeds with tooling mass.
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1-Year Warranty
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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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