Airtac PB Pen-type Cylinder PB12X120CB
The AirTAC Airtac PB Pen-type Cylinder PB12X120CB is a double-acting pen-size (mini) air cylinder with a Ø12mm bore and 120mm 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
- Stroke120 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PB Pen-type Cylinder PB12X120CB
The AirTAC PB12X120CB is a JIS pen-size double-acting single-rod mini cylinder engineered for compact, high-frequency automation. It generates 56.5 N of push and 46.7 N of pull at 0.5 MPa, utilizing a slim SUS304 stainless steel barrel and piston rod to resist damp or mildly corrosive industrial environments. With a 12 mm bore and 120 mm stroke, it threads directly into jigs where larger bodies cannot fit.
This specific configuration includes a CB double clevis back cover, allowing the cylinder to pivot smoothly on a pin to accommodate articulating loads. The integrated M5x0.8 air ports match the standard for this bore size, while fixed TPU bumpers at both ends absorb impact during direction changes. Because the rod is only 5 mm thick, maintaining coaxial alignment is critical to prevent side-loading damage over the extended stroke.
Airtac PB Pen-type Cylinder PB12X120CB Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB12X120CB |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 120 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 PB12X120CB
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×120 | 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 PB12X120CB Is Used
PCB Depaneling Routing
Pivots a cutting head on a depaneling router to singulate printed circuit boards, utilizing the CB clevis to maintain blade alignment without binding.
Pouch Sealing Clamp
Actuates a pivoting pressure jaw on a vertical form-fill-seal machine, applying steady 56.5 N force to hold film during heat sealing.
Sorter Diverter Arm
Drives a lightweight swinging gate on a package conveyor to deflect small cartons into packing chutes at high cycling speeds.
Is the Airtac PB Pen-type Cylinder PB12X120CB the Right Cylinder?
When sizing this actuator, consider stepping down to the 10 mm bore if your payload is lighter, which provides 39.3 N of push at 0.5 MPa, or stepping up to the 16 mm bore for heavier tasks that demand 100.5 N of push.
Ensure your ordering essentials are correct: 12 mm bore, 120 mm stroke, M5x0.8 porting, CB double clevis back cover, and no sensor magnet. Note that a plain cylinder does not hold its position if air pressure drops or the valve is centered; the piston will drift, and the bumper only decelerates near the stroke end. If your application requires fail-safe load holding, you must incorporate 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 PB12X120CB 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 is 79.1 N and the pull is 65.4 N. The operating pressure range is 0.15-0.7 MPa, with a speed of 50-800 mm/s.
The CB designation indicates a double clevis back cover that allows the cylinder body to pivot during operation, ideal for articulating mechanisms. Impact at stroke ends is managed by fixed TPU bumpers rather than adjustable air cushions; for high-speed or heavy tooling mass, meter-out the exhaust or add an external shock absorber to prevent bottoming out.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC PB Pen-Size Cylinders
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