
The AirTAC Airtac PTBR Single Acting Square Head Compact Cylinder PTBR10X15SR is a single acting, pull type (spring extend) pen-size mini cylinder with direct front-cover mounting (M4×0.7 thread). A single air port drives the pull stroke on a Ø10mm bore, 15mm stroke; the return spring resets the rod when air is released.
The AirTAC PTBR10X15SR is a JIS pen-size single-acting pull cylinder. Air entering the M5x0.8 port retracts the rod, while an internal spring pushes it back out, ensuring a fail-safe extended state upon air loss. It delivers 23.5 N of net pull at 0.5 MPa and 36.7 N at 0.7 MPa.
This 10 mm bore model features a SUS316L stainless barrel and a slim body for tight jigs. It bolts directly via the front-cover M4x0.7 thread, eliminating extra brackets. A fixed TPU bumper decelerates the stroke ends. The built-in magnet (-S) supports reed or electronic switches for position sensing.
| Model | Airtac PTBR Single Acting Square Head Compact Cylinder PTBR10X15SR |
|---|---|
| Series | PTBR JIS pen-size front-mount cylinder |
| Bore size | Ø10 mm |
| Rod diameter | Ø4 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull type (spring extend) |
| Front-mount thread | M4×0.7 |
| Port size | M5×0.8 |
|---|---|
| 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. Front cover carries the mounting thread (M4×0.7); barrel is SUS316L. Forces below are NET spring-deducted values. Confirm against the product label.
| Pressure | Net pull force |
|---|---|
| 0.5 MPa | 23.5 N |
| 0.7 MPa (max) | 36.7 N |
These are usable pull forces after the return spring is subtracted, 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.
| PTBR | JIS pen-size front-mount single acting, pull type (spring extend) series. |
|---|---|
| 10 | Bore size in mm. |
| ×15 | 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: direct front-cover thread (M4×0.7). Related PBR-family variants: PBR (double acting), PSBR (single-acting push).
Uses spring pressure to keep a workpiece extended, then pulls back to release the part when air is applied.
Spring force holds a diverter gate closed by default; air retracts the rod to open the lane.
Maintains steady tension on a filament or wire via the fail-safe extended rod, pulling back to slacken.
If you need less force, the Ø8 bore provides 12.4 N at 0.5 MPa; stepping up to the Ø12 bore yields 33.1 N.
Because the spring holds the rod out during air loss, it is ideal for return-to-home tasks. The direct M4x0.7 front mount simplifies fixture attachment. Confirm your port plumbing uses the M5x0.8 inlet and that the Ø4 mm rod avoids side loads by using an external guide over long strokes.
Quick checklist
It provides 23.5 N of net pull at 0.5 MPa and 36.7 N at 0.7 MPa. Because it is single-acting pull, a minimum pressure of 0.2 MPa is required to overcome the spring and move the rod.
It mounts directly via the front-cover M4x0.7 thread. The -S suffix denotes a built-in piston magnet compatible with reed or electronic switches, and the barrel is made of SUS316L stainless steel.
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