Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R
The AirTAC Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R is a single acting, pull type (spring extend) pen-size mini cylinder with a Ø16mm bore and 30mm stroke. A single air port drives the pull stroke; the built-in return spring resets the rod when air is released, so only one solenoid line is needed.
- BoreØ16 mm
- Stroke30 mm
- Port sizeM5×0.8
- Acting typePull, single acting
- Rod threadM10×1.0
- ReturnSpring
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R
The AirTAC PTB16X30R is a JIS pen-size single-acting pull cylinder where air entering one M5x0.8 port retracts the rod, and an internal spring pushes it back out. It provides 65 N of net pull at 0.5 MPa and 101.2 N at the 0.7 MPa maximum. Because the return spring constantly opposes the air stroke, these figures already reflect the usable force after spring deduction.
The slim SUS304 stainless body saves space in tight jigs, while the fixed TPU bumper cushions the stroke ends. If pneumatic pressure drops, the spring forces the rod into the extended position, creating a fail-safe out state for hold-down or return-to-home functions. Plan for a safe working load of about 39 N, which is roughly 60 percent of the 0.5 MPa rating, to account for friction and smooth travel.
Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R Technical Specifications
| Model | Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R |
|---|---|
| Series | PTB JIS pen-size mini cylinder |
| Bore size | Ø16 mm |
| Rod diameter | Ø5 mm |
| Stroke | 30 mm |
| Acting type | Single acting, pull type (spring extend) |
| Port size | M5×0.8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Return | Return spring (pull by air) |
| Max standard stroke | Up to 60 mm |
The spring holds the rod extended; applying air retracts it, and removing air lets the spring push the rod back out. Forces below are the NET spring-deducted values from the AirTAC thrust table. Confirm against the product label before installation.
Net Pull Force (Ø16mm)
| Pressure | Net pull force |
|---|---|
| 0.5 MPa | 65.0 N |
| 0.7 MPa (max) | 101.2 N |
These are the usable pull forces after the return spring is subtracted, taken directly from the AirTAC single-acting thrust table. Minimum operating pressure is set by the spring, so this model needs at least the lower pressure shown to move.
Model Code: Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R
| PTB | JIS pen-size single acting, pull type (spring extend) mini-cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| R | Back cover: R axial inlet (bore-dependent). |
Mounting accessories: LB, FA, CJ. Related PB-family variants: PB (double acting), PSB (single-acting push), PBD (double rod), PBR (front-mount).
Where the Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R Is Used
Hold-Down Clamping
Uses the spring-extended rod to keep a workpiece secured by default, applying 65 N of pull at 0.5 MPa to retract and release the part when air is applied.
Wire Belt Tensioner
Maintains constant tension on a belt or wire by pulling back against the load, automatically extending outward to take up slack if air pressure is vented.
Retract-To-Open Gate
Powers a small diverter or gate closed by pulling it open against the spring, ensuring the lane physically blocks the path during any pneumatic power loss.
Is the Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R the Right Cylinder?
This 16 mm bore provides 65 N net pull at 0.5 MPa. If you need less force, the 12 mm bore yields 33.1 N at the same pressure; stepping up is not possible as 16 mm is the largest PTB option. The internal spring requires a minimum 0.2 MPa of air pressure before the rod will move, and the rod always defaults to the extended position when air is removed.
This configuration uses an R axial inlet for inline plumbing and lacks a sensor magnet. The Ø5 mm piston rod handles coaxial thrust well, but over the 30 mm stroke you should add an external linear bearing if the application involves any off-axis loads.
Quick checklist
- ✓ Net pull force at your working pressure
- ✓ Only one air line / solenoid needed
- ✓ Fail-safe extend on air loss
- ✓ Magnet (S) for sensors?
- ✓ Stroke ≤ 60 mm (single-acting limit)
- ✓ Keep the load coaxial — avoid side load
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 0.7 MPa operating pressure.
- check Allow for spring force in the stroke direction.
- check Do not add an external return mechanism.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
Airtac PTB Single Acting Pen-Type Cylinder PTB16X30R FAQ
The net pull force is 65 N at 0.5 MPa and 101.2 N at the 0.7 MPa maximum. A minimum of 0.2 MPa air pressure is required to overcome the internal spring and retract the rod. Without air, the spring holds the rod safely extended.
It uses a fixed TPU bumper at the ends to decelerate the last few millimeters of travel. Because it is not adjustable, you should meter-out the exhaust or add an external shock absorber when cycling at higher speeds with heavy tooling mass.
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Related AirTAC PTB Pen-Size Cylinders
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