Airtac PB Pen-type Cylinder PB16X50SUFA
The AirTAC Airtac PB Pen-type Cylinder PB16X50SUFA is a double-acting pen-size (mini) air cylinder with a Ø16mm bore and 50mm 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
- Stroke50 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB16X50SUFA
The AirTAC PB16X50SUFA is a JIS pen-size double-acting single-rod mini cylinder featuring a 16mm bore and 50mm stroke. It delivers a robust 100.5 N push and 90.7 N pull at 0.5 MPa, utilizing an M5x0.8 air port and an M10x1.0 rod-end thread. The slim SUS304 stainless steel barrel and piston rod provide excellent durability in damp or mildly corrosive environments, keeping weight low for end-of-arm tooling.
This configuration includes a built-in piston magnet (-S) for position sensing with AirTAC reed or electronic switches, a U-type 90-degree side air inlet for flat plumbing, and an FA mounting bracket. It relies on a fixed TPU bumper at each end for end-of-stroke deceleration rather than an adjustable air cushion. Plan for a safe working load of about 60 N (roughly 60% of the 0.5 MPa push force) to account for seal friction and smooth travel.
Airtac PB Pen-type Cylinder PB16X50SUFA Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X50SUFA |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 50 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 PB16X50SUFA
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×50 | 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 PB16X50SUFA Is Used
PCB Depaneling Router
Actuates a cutting head fixture on an electronics assembly line, using the 100.5 N extend force to cleanly separate printed circuit boards along V-grooves.
Carton Flap Folder
Tucks minor flaps on a packaging conveyor prior to tape sealing, where the U-type side inlet keeps pneumatic plumbing flat against the machine frame.
Textile Loom Guide
Shifts a yarn guide bar rapidly between positions, benefiting from the 50-800 mm/s speed range and fixed TPU bumpers to handle high-frequency cycling.
Is the Airtac PB Pen-type Cylinder PB16X50SUFA the Right Cylinder?
Choosing this 16mm bore yields 100.5 N push at 0.5 MPa; if you need less force, the 12mm bore provides 56.5 N, while stepping up is not an option as this is the largest diameter in the PB family. When sizing vertical lifts, expect to handle about 5.1 kg safely with a 2:1 margin. Remember that a plain PB cylinder drifts when air is lost or the valve is centered, so an external rod lock or stop is required for fail-safe holding. Confirm your ordering essentials: 16mm bore, 50mm stroke, M5x0.8 port, S magnet, U side inlet, and FA mount.
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 PB16X50SUFA 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 speed of 50-800 mm/s.
It uses fixed TPU bumpers at both ends that decelerate the piston over the last few millimeters; they are not adjustable, so for high-speed or heavy tooling mass you should meter-out the exhaust or add an external shock absorber. Additionally, the cylinder does not hold its position if air is lost, requiring an external stop for fail-safe load holding.
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