
The AirTAC Airtac ATQ Single Acting Thin Cylinder ATQ20X30 is a genuine single-acting COMPACT (JIS) cylinder (single acting, pull type) with a Ø20mm bore and 30mm 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 ATQ20X30 is a single-acting PULL-type compact cylinder where supplying air to one port retracts the rod, while an internal spring drives the extension. It provides a 117.8 N theoretical pull at 0.5 MPa (164.9 N at 0.7 MPa) before spring deduction. You should verify the exact net output from the official datasheet, as the return spring lowers the usable force.
This 20 mm bore unit features a 10 mm piston rod, an M5x0.8 port, and a female M5x0.8 rod-end thread. Travel is capped at 30 mm for this size, and a fixed TPU elastomer bumper absorbs end-of-stroke impacts. The body includes magnetic-switch grooves for position sensing, though this specific configuration ships without the internal magnet.
| Model | Airtac ATQ Single Acting Thin Cylinder ATQ20X30 |
|---|---|
| Series | ATQ JIS compact single-acting cylinder |
| Bore size | Ø20 mm |
| Stroke | 30 mm |
| Acting type | Single acting, pull type |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 | 118 N |
| 0.7 MPa | 165 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. |
|---|---|
| 20 | 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).
Pulls a stripper plate back in a small die set to release formed parts after a stamping cycle.
Retracts a routing flap on a packaging conveyor to let products pass before spring-extending back.
Draws a mechanical gripper closed to maintain tension on a cable or web during a feed process.
When sizing this 20 mm bore actuator, consider the 16 mm option offering 75.4 N theoretical pull at 0.5 MPa, or step up to the 25 mm bore delivering 188.9 N. If your application requires travel beyond 30 mm, you must switch to the double-acting ACQ series. To order, confirm the 20 mm bore, 30 mm stroke, female M5x0.8 rod thread, and whether you need the -S magnet option for reed or solid-state switches.
Quick checklist
It delivers a 117.8 N theoretical pull at 0.5 MPa and 164.9 N at 0.7 MPa before the spring deduction. The internal spring extends the rod when air is exhausted. Operating pressure ranges from 0.2 MPa minimum to 1.0 MPa, and the maximum standard stroke is 30 mm.
If air pressure is lost, the internal spring automatically extends the rod to its resting position, which is ideal for hold-down-release logic. End-of-stroke deceleration is handled by a fixed TPU elastomer bumper, not an adjustable air cushion.
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