
The AirTAC Airtac PB Pen-type Cylinder PB12X200SR is a double-acting pen-size (mini) air cylinder with a Ø12mm bore and 200mm 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 PB12X200SR is a double-acting JIS pen-size mini cylinder engineered for compact, high-frequency motion. 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 endure mildly corrosive or damp production zones. The integrated R axial inlet keeps plumbing perfectly in-line, while the built-in S magnet enables position detection via AirTAC reed or electronic switches.
Featuring a 12 mm bore and 200 mm stroke, this model travels at speeds of 50-800 mm/s and relies on a fixed TPU bumper at each end to decelerate impact. Because the rod is a slender Ø5 mm, maintaining coaxial thrust over the extended travel is critical; adding an external linear bearing prevents binding under off-axis loads. The pneumatic supply connects via an M5x0.8 port, and maximum operating pressure is capped at 0.7 MPa.
| Model | Airtac PB Pen-type Cylinder PB12X200SR |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 200 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. |
| ×200 | 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).
Actuates a cutting head guide along a 200 mm path to separate printed circuit boards, utilizing the S magnet to confirm blade start and end positions.
Pushes pharmaceutical blister packs into indexing chutes, where the stainless body resists washdown chemicals and the slim profile fits between narrow guide rails.
Raises and lowers a 2.5 kg pneumatic diverter gate, safely within the 2.9 kg vertical lift capacity, with the R axial inlet keeping hoses clear of moving parts.
When sizing this actuator, stepping down to the Ø10 bore yields 39.3 N of push at 0.5 MPa, whereas stepping up to the Ø16 bore provides 100.5 N, letting you tune thrust precisely to your fixture. Confirm your ordering essentials: 12 mm bore, 200 mm stroke, M5x0.8 port, S magnet, and R axial back cover.
Note that a standard PB body does not hold position if air pressure drops or the valve is centered—the piston will drift. If your process requires a fail-safe hold against gravity or load, you must incorporate an external rod lock or mechanical stop. Additionally, the fixed TPU bumpers only absorb energy in the final millimeters of travel; for heavy tooling mass at high speeds, meter-out the exhaust or install an external shock absorber.
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 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 proof pressure of 1.2 MPa and a speed range of 50-800 mm/s.
No, a plain PB-type cylinder does not lock or hold its load when air is lost or the valve is centered; the piston will drift. The fixed TPU bumper only decelerates the piston near stroke end and is not a brake. For fail-safe vertical holding, an external rod lock or mechanical stop is required.
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