Airtac PB Pen-type Cylinder PB16X35SU
The AirTAC Airtac PB Pen-type Cylinder PB16X35SU 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 PB16X35SU
The AirTAC PB16X35SU is a JIS pen-size double-acting mini cylinder engineered for compact, high-frequency motion. It delivers a robust 100.5 N push and 90.7 N pull at 0.5 MPa, making it the highest force class in this slim series. The SUS304 stainless round barrel and piston rod provide excellent durability in damp or mildly corrosive environments, while the lightweight body easily integrates into tight jigs and end-of-arm robotic tooling.
This specific configuration includes a built-in piston magnet (S) for position sensing and a U-type back cover featuring a 90-degree side air inlet for flat plumbing in space-constrained panels. Air flows through an M5x0.8 port, and the Ø5 mm piston rod features an M10x1.0 rod-end thread for secure load coupling. Deceleration is handled by a fixed TPU bumper at each end, operating effectively at speeds of 50-800 mm/s.
Airtac PB Pen-type Cylinder PB16X35SU Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X35SU |
|---|---|
| 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 PB16X35SU
| 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 PB16X35SU Is Used
PCB Depaneling Router
Actuates a cutting head or clamping fixture on an electronics assembly line, utilizing the 100.5 N push force to securely hold panels while the stainless body resists fiberglass dust.
Carton Flap Folder
Folds minor flaps on small product boxes in continuous packaging lines, where the U-type side inlet keeps plumbing flat against the machine frame to save space.
Textile Loom Tensioner
Guides and tensions delicate yarn threads in humid manufacturing environments, relying on the SUS304 barrel to prevent corrosion while providing smooth 35 mm strokes.
Is the Airtac PB Pen-type Cylinder PB16X35SU the Right Cylinder?
Selecting this 16 mm bore provides the maximum thrust available in the PB family. If your application requires less force, stepping down to the 12 mm bore yields a 56.5 N push at 0.5 MPa, which is significantly lighter and slimmer. Since 16 mm is the largest standard size in this range, moving up in force would require transitioning to a completely different cylinder profile. For this model, expect a real safe working load of about 60 N (roughly 60% of the 0.5 MPa theoretical force) to account for seal friction and smooth travel. Vertically lifting a part, plan for a maximum weight of about 5.1 kg to maintain a sane 2:1 safety margin.
When ordering, confirm the 35 mm stroke, M5x0.8 port, and the U-type 90-degree side inlet. The integrated S magnet supports AirTAC reed or electronic switches for precise end-of-stroke detection. 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 TPU bumper only decelerates impact near the stroke end. If your process requires fail-safe load holding, specify an external rod lock or mechanical stop.
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 PB16X35SU 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 is 140.7 N and the pull is 126.9 N. The operating pressure range is 0.15-0.7 MPa, with a proof pressure of 1.2 MPa. It operates at speeds between 50-800 mm/s.
No, the fixed TPU bumper only decelerates the piston during the last few millimeters of travel; it is not a lock or brake. If air is lost or the valve is centered, the piston will drift. For vertical loads requiring fail-safe holding, an external rod lock or mechanical stop must be added.
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