Airtac PB Pen-type Cylinder PB16X275U
The AirTAC Airtac PB Pen-type Cylinder PB16X275U is a double-acting pen-size (mini) air cylinder with a Ø16mm bore and 275mm 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
- Stroke275 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB16X275U
The AirTAC PB16X275U is a double-acting JIS pen-size mini cylinder engineered for compact, high-frequency small-part motion. It generates 100.5 N of push force and 90.7 N of pull force at 0.5 MPa, peaking at 140.7 N push and 126.9 N pull at its 0.7 MPa maximum operating pressure. The slim SUS304 stainless round barrel and screwed-in covers provide excellent durability in damp or mildly corrosive environments while saving valuable space and payload on light end-of-arm tooling.
This specific configuration features a 275 mm stroke and a U-type back cover, which provides a perpendicular 90-degree side air inlet for flat plumbing in restricted envelopes. Air connects via an M5x0.8 port, and the load attaches to an M10x1.0 rod-end thread on a 5 mm diameter piston rod. Because the stroke runs long, the slender rod is built strictly for coaxial thrust; avoid side loading and add an external linear guide if the payload is off-axis.
Airtac PB Pen-type Cylinder PB16X275U Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X275U |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 275 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 PB16X275U
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×275 | 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 PB16X275U Is Used
PCB Depaneling Router
Pushes a carrier plate into the cutting zone on an electronics depaneling machine, where the slim profile fits between tight guide rails and the 100.5 N thrust securely clamps the board.
Carton Flap Folder
Extends 275 mm to fold minor flaps on small pharmaceutical cartons, using the U-type side inlet to keep pneumatic plumbing flat against the conveyor frame.
Vertical Parts Elevator
Lifts lightweight plastic caps between conveyor tiers; the SUS304 barrel resists washdown moisture, while the 5.1 kg vertical lift capacity easily handles the hopper weight.
Is the Airtac PB Pen-type Cylinder PB16X275U the Right Cylinder?
Choosing this 16 mm bore model gives you the highest standard thrust in the PB family. If you need less force, the 12 mm bore steps down to 56.5 N push at 0.5 MPa, whereas this 16 mm unit provides 100.5 N push at 0.5 MPa. As the largest available diameter, there is no larger standard bore to step up to. Plan for a safe working load of roughly 60 N (about 60% of the 0.5 MPa theoretical force) to account for seal friction and smooth travel, which equates to lifting about 5.1 kg vertically with a sane 2:1 margin.
When ordering, confirm the 16 mm bore, 275 mm stroke, M5x0.8 port, and the U-type 90-degree side inlet. Note that a plain PB body does not hold its position or load when air is lost or the valve is centered; the piston drifts, and the fixed TPU bumper only decelerates it near stroke end. If your process must hold a load without live pressure, specify an external stop or rod lock.
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 PB16X275U FAQ
At 0.5 MPa, the push force is 100.5 N and the pull force is 90.7 N. At the maximum operating pressure of 0.7 MPa, the push force is 140.7 N and the pull force is 126.9 N. The operating pressure range is 0.15-0.7 MPa, with a speed of 50-800 mm/s and a proof pressure of 1.2 MPa.
It uses a fixed TPU bumper at each end that decelerates the piston over the last few millimeters; it is not adjustable and not a lock. For high-speed or heavy tooling mass, meter-out the exhaust or add an external shock absorber. If air is lost, the piston drifts, so an external rod lock is required for fail-safe load holding.
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