Airtac PB Pen-type Cylinder PB16X35U
The AirTAC Airtac PB Pen-type Cylinder PB16X35U is a double-acting pen-size (mini) air cylinder with a Ø16mm bore and 35mm 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
- Stroke35 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB16X35U
The AirTAC PB16X35U is a JIS double-acting mini cylinder engineered for compact, high-frequency tasks. It generates 100.5 N of push and 90.7 N of pull at 0.5 MPa, driven through an M5x0.8 port. The slim SUS304 stainless barrel and screwed-in covers provide reliable resistance in damp or mildly corrosive work areas, keeping weight low for end-of-arm tooling.
This specific configuration includes a U-type back cover, meaning the air inlet enters at a 90-degree angle for flat plumbing in space-constrained manifolds. It relies on a fixed TPU bumper at each end to decelerate the stroke. Because the 35 mm stroke is well within the 300 mm maximum, the unit remains short and rigid, though the Ø5 mm rod still requires coaxial alignment to prevent side-load wear.
Airtac PB Pen-type Cylinder PB16X35U Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X35U |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 35 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 PB16X35U
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×35 | 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 PB16X35U Is Used
PCB Depaneling Router
Provides the 100.5 N extension force needed to push singulated circuit boards out of a routing fixture, with the U inlet keeping hoses flush against the machine frame.
Carton Flap Folder
Actuates a small mechanical arm to tuck minor flaps on small pharmaceutical cartons, using the fixed TPU bumper to soften the end-of-stroke impact during rapid 50-800 mm/s cycling.
Lab Sample Ejector
Ejects wet test tubes from a stainless steel sorting rack, where the SUS304 barrel withstands accidental chemical exposure and condensation.
Is the Airtac PB Pen-type Cylinder PB16X35U the Right Cylinder?
When sizing this 16 mm bore unit, plan for a safe working load of roughly 60 N, which accounts for seal friction at standard 0.5 MPa. In vertical lift scenarios, this translates to lifting about 5.1 kg safely with a 2:1 margin. If your payload is lighter, step down to the 12 mm bore (56.5 N push @0.5 MPa); if you need more thrust, this 16 mm bore is the largest available in the series.
Confirm your ordering essentials: 16 mm bore, 35 mm stroke, M5x0.8 port, U 90-degree side inlet, and no sensor magnet. Note that a plain PB body drifts when air pressure is lost or the valve is centered, so external stops or a rod lock are required to hold a load safely.
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 PB16X35U FAQ
At 0.5 MPa, this double-acting cylinder provides 100.5 N of push and 90.7 N of pull. At the maximum operating pressure of 0.7 MPa, those figures rise to 140.7 N push and 126.9 N pull. It operates between 0.15-0.7 MPa at speeds of 50-800 mm/s.
The U back cover features a 90-degree side air inlet that allows flat plumbing in tight jigs. Instead of an adjustable air cushion, it uses a fixed TPU bumper at each end to absorb impact over the final few millimeters; for heavy masses at high speed, you should meter-out the exhaust or add an external shock absorber.
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Related AirTAC PB Pen-Size Cylinders
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