Airtac PB Pen-type Cylinder PB16X30U
The AirTAC Airtac PB Pen-type Cylinder PB16X30U is a double-acting pen-size (mini) air cylinder with a Ø16mm bore and 30mm stroke. Its slim round barrel and back cover are stainless steel, the M5×0.8 ports keep plumbing compact, and the fast, low-friction piston suits high-cycle small-part handling.
- BoreØ16 mm
- Stroke30 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB16X30U
The AirTAC PB16X30U is a JIS pen-size double-acting single-rod cylinder, delivering 100.5 N of push and 90.7 N of pull at 0.5 MPa. Its slim SUS304 stainless barrel and screwed-in covers create a compact, lightweight profile suited for tight jig spaces and end-of-arm robotic tooling. The U suffix denotes a 90-degree side air inlet, allowing flat plumbing where axial port clearance is restricted.
This 16 mm bore unit breathes through an M5x0.8 port and drives a Ø5 mm piston rod with an M10x1.0 end thread. Traveling at 50-800 mm/s, it relies on a fixed TPU bumper at each end to decelerate the last few millimeters of stroke. Because the bumper is not adjustable, high-speed cycles with heavy tooling require metering out the exhaust or adding an external shock absorber.
Airtac PB Pen-type Cylinder PB16X30U Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X30U |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Elastic bumper (both ends) |
| Max standard stroke | Up to 300 mm |
Specifications follow the official AirTAC PB pen-size datasheet. Piston rod and barrel are stainless steel. Confirm bore, stroke and back-cover option against the product label before installation.
Theoretical Output Force (Ø16mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 100.5 N | 90.7 N |
| 0.7 MPa (max) | 140.7 N | 126.9 N |
Values are taken from the AirTAC PB thrust table. Because pull acts on the rod-side annular area, pull force is always lower than push. Actual usable force is reduced by friction — size with a margin.
Model Code: Airtac PB Pen-type Cylinder PB16X30U
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| CB / U / R | Back cover: CB double clevis, U 90° side inlet, R axial inlet (bore-dependent). |
Mounting accessories: LB, FA, CJ. Related PB-family variants: PSB (single-acting push), PTB (single-acting pull), PBD (double rod), PBJ (adjustable stroke), PBR (front-mount).
Where the Airtac PB Pen-type Cylinder PB16X30U Is Used
PCB Depaneling Router
Clamps small circuit boards during routing operations, using the 90-degree side inlet to keep pneumatic hoses flush against the machine frame.
Carton Flap Folder
Folds minor flaps on compact packaging lines, where the fixed TPU bumper absorbs the impact of the 30 mm stroke without needing external adjustment.
Pick-and-Place Ejector
Ejects small electronic components from vacuum grippers, providing 100.5 N of extend force at 0.5 MPa while minimizing payload on lightweight robotic arms.
Is the Airtac PB Pen-type Cylinder PB16X30U the Right Cylinder?
Selecting this 16 mm bore gives a robust step up from the 12 mm variant (56.5 N push at 0.5 MPa), representing the maximum standard thrust available in the PB family before moving to larger profile bodies. Plan for a safe working load of roughly 60 N—about 60% of the 100.5 N theoretical force—to account for seal friction and smooth travel. For vertical lifts, this equates to hoisting approximately 5.1 kg safely with a 2:1 margin.
When ordering, confirm the 16 mm bore, 30 mm stroke, M5x0.8 port, and the U 90-degree side inlet configuration. Note that a plain PB cylinder drifts when air pressure is lost or the valve is centered; the fixed bumper decelerates impact but does not lock the rod, so applications requiring fail-safe holding need an external stop or rod lock. The slender Ø5 mm rod is built for coaxial thrust, so avoid side loading or guide it externally.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Slim pen body vs. a standard round cylinder
- ✓ Back cover: CB / U / R inlet direction
- ✓ Magnet (S) for sensors?
- ✓ Mounting: LB / FA / CJ or front thread
- ✓ Keep the load coaxial — avoid side load
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 0.7 MPa operating pressure.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
- check Fit dust caps to ports during long-term storage.
- check Installation by qualified personnel per AirTAC docs.
Airtac PB Pen-type Cylinder PB16X30U FAQ
The PB16X30U operates at 0.15-0.7 MPa, with a maximum proof pressure of 1.2 MPa. The theoretical force is 100.5 N push and 90.7 N pull at 0.5 MPa, reaching maximums of 140.7 N push and 126.9 N pull at 0.7 MPa.
The U suffix indicates a 90-degree perpendicular side air inlet for flat plumbing in tight spaces. The cylinder uses fixed TPU bumpers at both ends to decelerate the stroke, but they are not adjustable—if cycling at high speed with real tooling mass, you should meter-out the exhaust or add an external shock absorber.
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Related AirTAC PB Pen-Size Cylinders
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