Airtac PB Pen-type Cylinder PB12X80CB
The AirTAC Airtac PB Pen-type Cylinder PB12X80CB is a double-acting pen-size (mini) air cylinder with a Ø12mm bore and 80mm 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.
- BoreØ12 mm
- Stroke80 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB12X80CB
The AirTAC PB12X80CB is a double-acting JIS pen-size mini cylinder engineered for compact automation. It generates 56.5 N of push force and 46.7 N of pull force at 0.5 MPa, utilizing a 12 mm bore and an 80 mm stroke. The slim SUS304 stainless steel round barrel and piston rod provide corrosion resistance for damp production areas, while keeping end-of-arm tooling weight to an absolute minimum.
This variant features a CB double clevis back cover designed for pivoting loads, alongside standard M5x0.8 air ports. Because it lacks a position sensor magnet, it is built for straightforward mechanical actuation. The fixed TPU bumper at each end absorbs end-of-stroke energy, though it is not adjustable; for high-speed tooling mass, metering out the exhaust or adding an external shock absorber is recommended.
Airtac PB Pen-type Cylinder PB12X80CB Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB12X80CB |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 80 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 (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 56.5 N | 46.7 N |
| 0.7 MPa (max) | 79.1 N | 65.4 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 PB12X80CB
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×80 | 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 PB12X80CB Is Used
Package Diverter Flap
Pivots a lightweight routing gate on a packaging conveyor using the CB double clevis to accommodate the swing arc during box sorting.
PCB Test Socket Clamp
Applies precise downward pressure to hold a circuit board in a test fixture, utilizing the 56.5 N push force without damaging delicate traces.
Filler Nozzle Retraction
Withdraws a liquid dispensing nozzle from a container on a bottling line, where the stainless construction resists washdown moisture.
Is the Airtac PB Pen-type Cylinder PB12X80CB the Right Cylinder?
When sizing this actuator, stepping down to the Ø10 bore provides 39.3 N of push at 0.5 MPa, while stepping up to the Ø16 bore yields 100.5 N. For the PB12X80CB specifically, plan for a safe working load of roughly 34 N, which equates to lifting about 2.9 kg vertically with a 2:1 safety margin. Note that a plain cylinder drifts when air pressure is lost or the valve is centered, so an external rod lock is required to hold a load securely.
To finalize your order, confirm the 12 mm bore, 80 mm stroke, M5x0.8 porting, and the CB double clevis bracket. The 5 mm piston rod uses an M10x1.0 rod-end thread for load coupling; ensure the attachment remains coaxial to prevent side loading, utilizing an external linear bearing if necessary.
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 PB12X80CB FAQ
At 0.5 MPa, the push force is 56.5 N and the pull force is 46.7 N. At the maximum operating pressure of 0.7 MPa, the push force is 79.1 N and the pull force is 65.4 N. The operating pressure range is 0.15-0.7 MPa, with a speed of 50-800 mm/s.
No, the piston will drift if air pressure is lost or the valve is centered. The fixed TPU bumper only decelerates the rod near the end of its stroke and does not act as a locking mechanism. An external rod lock or mechanical stop is required for fail-safe load holding.
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