
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB16X15U is a single acting, push type (spring return) pen-size mini cylinder with a Ø16mm bore and 15mm 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.
The AirTAC PSB16X15U is a JIS pen-size single-acting push cylinder that extends via one M5x0.8 air port and retracts automatically via a built-in spring. It provides 74.8 N of net push force at 0.5 MPa and 115 N at 0.7 MPa. The U suffix designates a 90-degree side inlet for flat plumbing in confined spaces.
This 16 mm bore unit uses a Ø5 mm stainless steel rod with an M10x1.0 end thread. A single solenoid line drives the stroke, and the spring ensures the rod fails safe to the retracted home position on air loss. Plan for a safe working load of about 45 N, which is roughly 60 percent of the 0.5 MPa rating.
| Model | Airtac PSB Single Acting Compact Cylinder PSB16X15U |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 15 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.
| 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.
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×15 | 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).
Pushes finished metal components out of a CNC machining fixture, using the spring return to safely withdraw the rod when air is cut.
Acts as a compact diverter arm on a packaging conveyor, relying on the 90-degree side inlet to fit within tight frame clearances.
Deploys to fold cardboard flaps on a carton sealing machine, where the fail-safe retract prevents jamming if the airline drops.
This 16 mm bore generates 74.8 N net push at 0.5 MPa, sitting between the 12 mm bore (42.9 N) and larger double-acting options. The internal return spring sets a 0.2 MPa minimum pressure before motion begins. Confirm your ordering essentials: bore, 15 mm stroke, no magnet, the U side inlet, and any LB, FA, or CJ mounting brackets.
With a 2:1 safety margin, this model lifts about 3.8 kg vertically. The thin Ø5 mm rod handles coaxial thrust well, but add an external guide for any off-axis loads. A fixed TPU bumper decelerates the stroke, though you should meter-out the exhaust if moving heavy tooling mass at high speeds.
Quick checklist
It delivers 74.8 N net push at 0.5 MPa and 115 N at 0.7 MPa. Because an internal spring opposes the air stroke, a minimum pressure of 0.2 MPa is required before the rod extends.
Air entering the single M5x0.8 port extends the rod, and exhausting the air allows the spring to retract it. A fixed TPU bumper cushions the last few millimeters of travel, but you should meter-out the exhaust or add an external shock absorber when moving real tooling mass at high speeds.
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