Airtac PB Pen-type Cylinder PB16X120U
The AirTAC Airtac PB Pen-type Cylinder PB16X120U is a double-acting pen-size (mini) air cylinder with a Ø16mm 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.
- BoreØ16 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 PB16X120U
The AirTAC PB16X120U is a double-acting JIS pen-size mini cylinder engineered for compact, high-frequency small-part motion. It features a slim SUS304 stainless steel barrel and piston rod, offering excellent durability in damp or mildly corrosive environments while keeping end-of-arm tooling lightweight. Delivering 100.5 N of push force and 90.7 N of pull force at 0.5 MPa, it provides robust thrust for its 16 mm bore.
This specific configuration includes a U-type back cover, providing a 90-degree perpendicular air inlet for flat plumbing in space-constrained machinery. Air flows through an M5x0.8 port, and the rod-end features an M10x1.0 thread for secure load coupling. The unit relies on a fixed TPU bumper at each end to decelerate impact, and because it lacks a sensor magnet, position detection is not supported on this variant.
Airtac PB Pen-type Cylinder PB16X120U Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X120U |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 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 (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 PB16X120U
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | 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 PB16X120U Is Used
Package Diverting Gate
Actuates a lightweight routing flap on a packaging conveyor, using the 90-degree U inlet to keep air lines flat against the machine frame while pushing small cartons at 100.5 N.
PCB Edge Pinning
Extends a 5 mm rod to pin circuit boards during wave soldering, where the SUS304 stainless build resists flux fumes and mild humidity on the production floor.
Textile Loom Tensioner
Drives a small tensioning jig on a textile machine, operating at speeds up to 800 mm/s while relying on the fixed TPU bumpers to absorb impact at the 120 mm stroke ends.
Is the Airtac PB Pen-type Cylinder PB16X120U the Right Cylinder?
When sizing this actuator, plan for a safe working load of roughly 60 N, which accounts for seal friction by applying a 60% margin to the 100.5 N theoretical push at 0.5 MPa. For vertical lifts, this equates to raising about 5.1 kg safely with a 2:1 gravity margin. If your application requires less force, the adjacent PB12X10 offers 56.5 N of push at 0.5 MPa; stepping up is not applicable as this is the largest bore in the PB family. Remember that the thin 5 mm rod is designed strictly for coaxial thrust, so over the 120 mm stroke, an external linear bearing should be added to prevent side-loading damage.
To confirm your ordering essentials: specify the 16 mm bore, 120 mm stroke, M5x0.8 porting, and the U-type 90-degree side inlet. Note that a plain PB cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates it near the stroke end. For fail-safe load holding, an external rod lock or mechanical stop is required.
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 PB16X120U 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 range of 50-800 mm/s.
The U back cover provides a 90-degree perpendicular air inlet for flat plumbing in tight spaces. Deceleration is handled by a fixed TPU bumper at each end, which is not adjustable. If moving real tooling mass at high speed, you should meter-out the exhaust or add an external shock absorber, as the bumper only decelerates the last few millimeters.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
Related AirTAC PB Pen-Size Cylinders
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