Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S
The AirTAC Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S is a genuine single-acting COMPACT (JIS) cylinder (single acting, push type) with a Ø50mm bore and 15mm 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
- Stroke15 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 ASQ50X15S
The AirTAC ASQ50X15S is a JIS compact single-acting push cylinder that uses compressed air to extend the rod, while an internal mechanical spring handles the retraction. This design requires only one air line, simplifying your pneumatic plumbing. With a 50 mm bore, it generates a theoretical push force of 981.8 N at 0.5 MPa and 1374.4 N at 0.7 MPa before spring resistance. You should verify the exact net output from the official datasheet, as the return spring lowers the usable force.
This 15 mm stroke unit operates between 0.2 and 1.0 MPa, needing at least 0.2 MPa to overcome the internal spring. It features a fixed NBR elastomer bumper at the stroke ends rather than an adjustable air cushion. Because the -S option is included, the piston has a built-in magnet compatible with both reed and solid-state electronic switches via the body grooves.
Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S Technical Specifications
| Model | Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S |
|---|---|
| Series | ASQ JIS compact single-acting cylinder |
| Bore size | Ø50 mm |
| Stroke | 15 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 ASQ50X15S
| ASQ | JIS compact single acting, push type cylinder series. |
|---|---|
| 50 | 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).
Where the Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S Is Used
Press Die Ejection
Pushes stamped metal parts out of a press die using a short, powerful stroke. The spring-return mechanism safely retracts the rod when air pressure drops.
Package Diverting
Acts as a compact pop-up diverter arm on a packaging conveyor line. The single-air-line design reduces valve complexity in tight machinery spaces.
Heavy Part Clamping
Holds heavy automotive components in place during machining. The fixed NBR bumper absorbs the impact energy at the end of the 15 mm extension.
Is the Airtac ASQ Series Single Acting Slim Cylinder ASQ50X15S the Right Cylinder?
Selecting this 50 mm bore model provides substantial push capability for short-stroke tasks. If you need less force, the neighboring 40 mm bore yields a 628.3 N theoretical push at 0.5 MPa, whereas stepping up to the 63 mm bore provides 1558.6 N. This 15 mm travel fits well within the 30 mm maximum stroke limit for this bore size. Should your application require longer extension distances, transitioning to the double-acting ACQ series is necessary. When ordering, confirm the 50 mm bore, 15 mm stroke, PT1/4 port, -S magnet, and the default female M10x1.5 rod-end thread.
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 ASQ50X15S FAQ
The theoretical push force is 981.8 N at 0.5 MPa and 1374.4 N at 0.7 MPa. These figures represent the air-side force before the return spring; the net output is lower and should be confirmed from the datasheet. Operating pressure ranges from 0.2 to 1.0 MPa, with a 0.2 MPa minimum required to overcome the spring, and the maximum standard stroke for this bore is 30 mm.
If air pressure is lost or exhausted, the internal spring automatically retracts the rod to its resting position. Deceleration at the stroke ends is handled by a fixed NBR elastomer bumper, not an adjustable air cushion. For high-speed or high-energy cycles, consider adding an external shock absorber to protect the assembly.
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