Airtac PB Pen-type Cylinder PB16X170SU
The AirTAC Airtac PB Pen-type Cylinder PB16X170SU is a double-acting pen-size (mini) air cylinder with a Ø16mm bore and 170mm 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
- Stroke170 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB16X170SU
The AirTAC PB16X170SU is a JIS pen-size double-acting single-rod mini cylinder engineered for compact, high-frequency motion. It features a slim SUS304 stainless steel round barrel and piston rod, providing excellent durability in damp or mildly corrosive work areas. Delivering 100.5 N of push force at 0.5 MPa, this 16 mm bore unit is ported via an M5x0.8 thread and incorporates a built-in piston magnet for position sensing.
This specific configuration includes a 90-degree side air inlet (U option) for flat plumbing in space-constrained manifolds. The unit relies on a fixed TPU bumper at each end to decelerate the stroke, and its 170 mm travel is well within the 300 mm standard maximum. Because the rod is a slender 5 mm diameter, maintaining coaxial alignment is critical to prevent binding over this extended length.
Airtac PB Pen-type Cylinder PB16X170SU Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB16X170SU |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 170 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 PB16X170SU
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×170 | 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 PB16X170SU Is Used
PCB Depaneling Router
Pushes a carrier plate into position under a cutting spindle, utilizing the 90-degree side inlet to keep air plumbing flush against the machine frame.
Package Divert Arm
Extends a lightweight paddle to deflect small cartons on a sorting line, taking advantage of the 100.5 N push force to overcome box inertia.
Lab Sample Dispenser
Actuates a pipetting probe over a 170 mm travel distance, where the SUS304 construction resists humidity and chemical vapors.
Is the Airtac PB Pen-type Cylinder PB16X170SU the Right Cylinder?
When sizing this 16 mm bore actuator, plan for a safe working load of about 60 N, which accounts for roughly 60% of the 100.5 N theoretical push at 0.5 MPa to overcome seal friction and ensure smooth travel. If you need to step down, the 12 mm bore offers 56.5 N push at 0.5 MPa; stepping up is not available as this is the largest diameter in the series. A plain double-acting cylinder like this does not hold its position or load when air is lost or the valve is centered, so a fail-safe application requires an external stop or rod lock. Confirm your ordering essentials: 16 mm bore, 170 mm stroke, M5x0.8 port, built-in magnet (S), and the 90-degree side inlet (U).
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 PB16X170SU FAQ
This 16 mm bore double-acting cylinder provides 100.5 N push and 90.7 N pull at 0.5 MPa, reaching maximums of 140.7 N push and 126.9 N pull at the 0.7 MPa operating pressure limit. It supports speeds of 50-800 mm/s and operates in temperatures from -20 to +70 C.
No, a standard pen-size cylinder drifts when air is lost or the valve is centered, and the fixed TPU bumper only decelerates the piston near the end of travel rather than locking it. If your application must hold a load vertically without live pressure, you must install an external rod lock or mechanical stop.
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