
The AirTAC Airtac PB Pen-type Cylinder PB12X100CB is a double-acting pen-size (mini) air cylinder with a Ø12mm bore and 100mm 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.
The AirTAC PB12X100CB is a JIS pen-size double-acting single-rod mini cylinder engineered for compact automation. It delivers 56.5 N of push and 46.7 N of pull at 0.5 MPa, utilizing a slim SUS304 stainless barrel and a 5 mm rod to fit tight jig spaces. The M5x0.8 port and M10x1.0 rod-end thread simplify plumbing and load coupling. Featuring a 100 mm stroke, this model includes a CB double clevis back cover for pivoting loads.
A fixed TPU bumper at each end manages end-of-stroke deceleration, though it is not adjustable or a locking mechanism. Because the rod is only 5 mm thick, maintaining coaxial thrust is critical to prevent side-load damage over the long 100 mm extension.
| Model | Airtac PB Pen-type Cylinder PB12X100CB |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 100 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.
| 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.
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×100 | 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).
Swings a lightweight sorting flap on a packaging conveyor using the CB double clevis to accommodate the pivoting arc during transit.
Advances a probe block over 100 mm to contact circuit boards, where the slim stainless barrel avoids obstructing adjacent test points.
This 12 mm bore generates 56.5 N push at 0.5 MPa. If you need less force, stepping down to the 10 mm bore yields 39.3 N; stepping up to the 16 mm bore provides 100.5 N. Confirm your ordering essentials: 12 mm bore, 100 mm stroke, M5x0.8 port, CB double clevis back cover, and no sensor magnet. Note that a plain PB-type cylinder does not hold its load on air loss or valve centering, as the piston drifts and the bumper only decelerates near stroke end. For a fail-safe hold, specify an external stop or rod lock.
Quick checklist
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 back cover provides a double clevis joint ideal for pivoting linkages. The cylinder uses a fixed TPU bumper at each end to decelerate the last few millimeters of travel, but it is not adjustable. At higher speeds with real tooling mass, meter-out the exhaust or add an external shock absorber, as the bumper will bottom out.
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