Airtac PSB Single Acting Compact Cylinder PSB16X45SU
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB16X45SU is a single acting, push type (spring return) pen-size mini cylinder with a Ø16mm bore and 45mm 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
- Stroke45 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM10×1.0
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB16X45SU
The AirTAC PSB16X45SU is a JIS pen-size single-acting push cylinder that extends via one M5x0.8 air port and retracts via a built-in spring. This fail-safe design ensures the rod pulls home automatically upon air loss, requiring only a single solenoid line for simpler tubing and lower wiring costs. It supplies 74.8 N of net push at 0.5 MPa and 115 N at 0.7 MPa.
Built with a SUS304 stainless steel barrel and a slim Ø5 mm rod, this unit fits tight jigs and light end-of-arm tooling. The U suffix provides a 90-degree side inlet for flat plumbing, while the S suffix adds a piston magnet for position sensing. A fixed TPU bumper decelerates the stroke at both ends. For stable operation, plan for a safe working load of about 45 N, which accounts for seal friction at standard pressure.
Airtac PSB Single Acting Compact Cylinder PSB16X45SU Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB16X45SU |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 45 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 PSB16X45SU
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×45 | 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 PSB16X45SU Is Used
Stamping Ejector
Pushes finished metal blanks out of a press die, using the spring return to safely retract the pin when air is cut.
Package Diverter
Acts as a slim routing gate on a packaging line, extending to redirect cartons and springing back to clear the path.
Clamp Release
Holds a workpiece during machining, then exhausts to retract the rod and free the part for robotic unloading.
Is the Airtac PSB Single Acting Compact Cylinder PSB16X45SU the Right Cylinder?
This 16 mm bore generates 74.8 N net push at 0.5 MPa. Sizing down, the 12 mm bore yields 42.9 N; sizing up is not available as Ø16 is the largest pen-size option. The internal return spring sets a 0.2 MPa minimum pressure before motion begins, so verify your supply can overcome this threshold. With a 45 mm stroke, the slender Ø5 mm rod needs an external guide or linear bearing if subjected to any off-axis loads.
Confirm your ordering essentials: 16 mm bore, 45 mm stroke, S magnet for reed or electronic switches, U 90-degree side inlet, and your preferred mounting bracket. The fixed TPU bumper handles light end-of-stroke deceleration, but meter-out the exhaust if moving heavy 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 PSB16X45SU FAQ
It delivers 74.8 N of net push at 0.5 MPa and 115 N at 0.7 MPa. Because the spring opposes the air stroke, a minimum pressure of 0.2 MPa is required before the rod moves. The spring ensures the rod fails safe and retracts on air loss.
The S suffix indicates a built-in piston magnet for use with reed or electronic switches. The cylinder uses a fixed TPU bumper at each end to decelerate the last few millimeters of travel; it is not adjustable, so add an external shock absorber for heavy high-speed loads.
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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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Most inquiries answered within 7-8 hours.
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