Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S
The AirTAC Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S is a genuine single-acting COMPACT (JIS) cylinder (single acting, push type) with a Ø50mm bore and 30mm stroke. Air pushes 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.
- BoreØ50 mm
- Stroke30 mm
- Port sizePT1/4
- Acting typeSingle acting, push type
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionBumper
About the Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S
The AirTAC ASQ50X30S is a single-acting push-type JIS compact cylinder. Feeding air to its PT1/4 port extends the Ø20mm rod, while an internal spring handles retraction. This design requires only one air line, simplifying plumbing and valve setup. It delivers a theoretical push force of 981.8N at 0.5MPa and 1374.4N at 0.7MPa before the return spring's resistance is factored in. You should verify the exact net output from the datasheet.
Because the spring occupies internal length, this 50mm bore unit is capped at a 30mm stroke. It relies on a fixed NBR elastomer bumper for end-of-stroke damping rather than an adjustable air cushion. If a pneumatic failure occurs, the spring automatically retracts the rod to its rest position, providing a mechanical fail-safe. The -S suffix indicates a built-in piston magnet compatible with both reed and solid-state electronic switches.
Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S Technical Specifications
| Model | Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S |
|---|---|
| Series | ASQ JIS compact single-acting cylinder |
| Bore size | Ø50 mm |
| Stroke | 30 mm |
| Acting type | Single acting, push 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.
Theoretical Output Force (Ø50mm, Push)
| Pressure | Push force (before spring) |
|---|---|
| 0.5 MPa | 982 N |
| 0.7 MPa | 1374 N |
These are theoretical air-side forces; the return-spring force reduces the NET usable output. Single-acting push only — the spring performs the opposite stroke. Confirm the net figure from the datasheet and size with a safety margin.
Model Code: Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S
| ASQ | JIS compact single acting, push type cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×30 | 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).
Where the Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S Is Used
Injection Mold Ejection
Uses the 1374.4N theoretical push at 0.7MPa to knock out heavy molded parts, relying on the spring to retract the pin quickly for the next cycle.
Pallet Diverter
Extends a 30mm stroke to push loaded pallets onto a secondary packaging line, with the fail-safe spring ensuring the diverter clears the main conveyor on air loss.
Heavy Part Clamping
Holds heavy steel workpieces securely during machining operations, using the single air line to maintain extension while the fixed NBR bumper absorbs impact.
Is the Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S the Right Cylinder?
For sizing context within the 12-63mm range, the smaller Ø40 bore yields a 628.3N theoretical push at 0.5MPa, whereas the larger Ø63 bore provides 1558.6N. If your application requires a stroke beyond 30mm, you must switch to the double-acting ACQ series. To order this single-acting unit correctly, confirm the 50mm bore, the 30mm stroke, the -S magnet, and your preferred rod-end thread (default female M10x1.5 or optional male M18x1.5).
Quick checklist
- ✓ Net push force (after spring) at your pressure
- ✓ Stroke ≤ 30 mm (single-acting limit)
- ✓ Single air line saves a valve/port
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Remember the spring performs the return stroke.
- check Avoid side load on the short piston rod.
- check Handle the C-clip carefully; seat it fully in its groove.
- check Installation by qualified personnel per AirTAC docs.
Airtac ASQ Series Single Acting Slim Cylinder ASQ50X30S FAQ
It provides a theoretical push force of 981.8N at 0.5MPa and 1374.4N at 0.7MPa before subtracting the return spring. The net usable force is lower and must be confirmed from the datasheet. The maximum standard stroke is 30mm, and it requires a minimum operating pressure of 0.2MPa to overcome the spring.
As a single-acting push cylinder, a loss of air pressure causes the internal spring to automatically retract the rod to its resting position. The -S suffix means it includes a piston magnet for position sensing, which works with both reed and electronic solid-state switches.
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