Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S
The AirTAC Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S is a double-acting pen-size mini cylinder with a rear adjuster screw that shortens the retract end of the stroke. On a Ø16mm bore it gives a nominal 75mm stroke with a 30mm fine-adjustable window — settable from 45 to 75mm, so you set the end position without changing hardware.
- BoreØ16 mm
- Nominal stroke75 mm
- Adjust window30 mm
- Effective range45–75 mm
- Port sizeM5×0.8
- Acting typeDouble acting
About the Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S
The AirTAC PBJ16X75-30S is a double-acting, single-rod pen-size mini cylinder featuring a 30mm adjustable stroke window. A rear adjuster screw with a lock nut shortens the retract end, giving an effective stroke range of 45mm to 75mm. Force remains identical to a standard PB cylinder, yielding 100.5N push and 90.7N pull at 0.5MPa. The M5x0.8 air port and M10x1.0 rod-end thread match the 16mm bore standard.
This stainless steel build includes a built-in piston magnet for reed or electronic switches and a fixed TPU bumper at each end. The thin Ø5mm piston rod is designed for coaxial thrust; over long strokes or off-axis loads, add an external guide to prevent side-load damage. A plain cylinder does not hold position on air loss, so use an external stop for fail-safe load holding.
Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S Technical Specifications
| Model | Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S |
|---|---|
| Series | PBJ JIS pen-size adjustable-stroke cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Nominal stroke | 75 mm |
| Adjustable window | 30 mm (45–75 mm) |
| Adjuster thread | M5×0.8 |
| Port size | M5×0.8 |
|---|---|
| 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 200 mm |
The adjuster shortens only the retract end; the extend end is fixed. Force is unchanged from the standard PB double-acting cylinder. Confirm the set position 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 |
Adjusting the stroke does not change output force — these are the same values as the standard PB double-acting cylinder of the same bore. Size with a friction margin.
Model Code: Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S
| PBJ | JIS pen-size adjustable-stroke mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×75 | Nominal stroke length in mm. |
| -30 | Adjustable-stroke window in mm (10/20/30/40/50/75/100). |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
Fixed body — no separate back-cover code. Mounting accessories: LB, FA. Related PB-family variants: PB (fixed stroke), PBD (double rod), PBR (front-mount).
Where the Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S Is Used
Changeover Fixtures
Rapidly tune the 45-75mm retract end during product family changeovers on a single jig without machining new spacer blocks.
Trial Insertion Stops
Dial in exact insertion depths for delicate press-fit operations, testing variable depths before locking the adjuster nut.
Variable Depth Push Heads
Adjust the back position on light end-of-arm tooling to accommodate multiple part heights without swapping cylinders.
Is the Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S the Right Cylinder?
This 16mm bore provides 100.5N push at 0.5MPa, sitting above the 12mm bore (56.5N) and below larger standard profiles. When sizing, plan for a safe working load of about 60N, which is roughly 60% of the 0.5MPa theoretical push force, to account for seal friction. This equates to lifting about 5.1kg vertically with a 2:1 safety margin.
Remember that only the retract end is settable while the extend position remains fixed. After dialing in your 45-75mm range, re-tighten the lock nut on the M5x0.8 adjuster thread to prevent vibration drift. Confirm your ordering essentials: 16mm bore, 75mm nominal stroke, 30mm window, S magnet, and any LB or FA mounting hardware.
Quick checklist
- ✓ Need to fine-tune the end position on site
- ✓ Retract end sits within 45–75 mm
- ✓ Force at your working pressure
- ✓ Magnet (S) for sensors?
- ✓ Access to the rear adjuster screw
- ✓ 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 Set the adjuster, then re-lock the check nut.
- check The adjuster shortens the retract end only.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
Airtac PBJ Adjustable Pen-Type Cylinder PBJ16X75-30S FAQ
The effective stroke range is 45mm to 75mm (75mm nominal minus the 30mm window). At 0.5MPa, push force is 100.5N and pull force is 90.7N. At the maximum 0.7MPa operating pressure, push is 140.7N and pull is 126.9N.
The rear M5x0.8 adjuster screw shortens only the retract end while the extend end remains fixed; re-tighten the lock nut after setting to prevent vibration drift. The S suffix indicates a built-in piston magnet compatible with AirTAC reed or electronic switches.
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Related AirTAC PBJ Pen-Size Cylinders
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