
The AirTAC Airtac ATQ Single Acting Thin Cylinder ATQ63X15S is a genuine single-acting COMPACT (JIS) cylinder (single acting, pull type) with a Ø63mm bore and 15mm stroke. Air pulles the rod and an internal spring performs the opposite stroke, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
The AirTAC ATQ63X15S is a single-acting PULL-type JIS compact cylinder. Supplying air to its single PT1/4 port retracts the 20mm piston rod, while an internal spring extends it upon exhaust. This fail-safe behavior ensures the rod automatically extends to its rest position if air pressure drops. The powered motion is the retract stroke, making it ideal for hold-down-release and tensioning tasks.
At 0.7 MPa, this 63mm bore unit provides a 1962.2N theoretical pull force (1401.5N at 0.5 MPa) before spring deduction. The -S suffix denotes a built-in piston magnet for position sensing via reed or solid-state switches. It features a fixed NBR elastomer bumper at the stroke ends, and the 15mm travel stays well within the 30mm maximum limit for this bore size.
| Model | Airtac ATQ Single Acting Thin Cylinder ATQ63X15S |
|---|---|
| Series | ATQ JIS compact single-acting cylinder |
| Bore size | Ø63 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull type |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC ACQ-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
| Pressure | Pull force (before spring) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
These are theoretical air-side forces; the return-spring force reduces the NET usable output. Single-acting pull only — the spring performs the opposite stroke. Confirm the net figure from the datasheet and size with a safety margin.
| ATQ | JIS compact single acting, pull type cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×15 | Stroke length in mm (single-acting max 30 mm). |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard (G / NPT available). ASQ pushes out / spring returns; ATQ pulls in / spring extends. Related: ACQ (double acting), ACQD (double rod), ACQJ (adjustable stroke).
Applies a strong retracting force to pull webbing or belts taut in packaging machinery, releasing tension automatically when air is removed.
Pulls a heavy diverter gate out of the flow path on a production line, using the spring to safely extend the barrier back into place during power loss.
Retracts a holding clamp on a large welding fixture, drawing the 20mm rod back to clear the workpiece before the spring extends to release the part.
For a 63mm bore, this model offers the highest theoretical pull output in the ATQ series. If 1401.5N at 0.5 MPa is excessive, the 50mm bore variant offers 824.6N. If your mechanism requires a stroke longer than 30mm, you must switch to a double-acting ACQ cylinder. To order, confirm the 15mm stroke, the 63mm bore, the -S magnet option, and the default female M10x1.5 rod-end thread.
Quick checklist
It delivers a theoretical pull force of 1401.5N at 0.5 MPa and 1962.2N at 0.7 MPa before the return spring is factored in. The net force is lower and should be confirmed from the datasheet. A minimum of 0.2 MPa is required to overcome the spring. The maximum standard stroke for a 63mm bore is 30mm.
Because it is a single-acting pull type, exhausting the air causes the internal spring to extend the rod to its resting position. Instead of an adjustable air cushion, it uses a fixed NBR elastomer bumper at the stroke ends to absorb impact. The -S magnet option allows tracking with either reed or electronic solid-state switches.
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