Airtac STA Single Acting Compact Guided Cylinder STA40X10B
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA40X10B is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø40mm bore and 10mm stroke. Air pulles the rod and an internal spring returns it, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
- BoreØ40 mm
- Stroke10 mm
- Port sizePT1/8
- Acting typeSingle acting, pull type
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA40X10B
The AirTAC STA40X10B is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring pushes it back out. It provides 445.1 N of net pull at 0.5 MPa and 656.2 N at 0.7 MPa. Because the spring force is already subtracted, you can size directly to these net values for your tensioning or return-to-open tasks.
This unit features a short riveted body that saves axial mounting depth where a standard round-body cylinder will not fit. The stroke is 10 mm, and the piston rod is 16 mm. This SKU includes the -B option, giving you a male M14x1.5 rod-end thread instead of the default female thread. A fixed NBR bumper handles end-of-stroke deceleration, and the bore-fixed PT1/8 port manages air supply.
Airtac STA Single Acting Compact Guided Cylinder STA40X10B Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA40X10B |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Single acting, pull type |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | Fixed NBR bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC SDA-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
Net Output Force (Ø40mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 445 N |
| 0.7 MPa | 656 N |
These are NET output forces — the return-spring force is already deducted. Single-acting pull only; the spring performs the opposite stroke. Size with a safety margin.
Model Code: Airtac STA Single Acting Compact Guided Cylinder STA40X10B
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×10 | 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. SSA pushes out / spring returns; STA pulls in / spring extends. Related: SDA (double acting), SDAD (double rod), SDAJ (adjustable stroke).
Where the Airtac STA Single Acting Compact Guided Cylinder STA40X10B Is Used
Tensioning Levers
Uses the 445.1 N net pull to draw linkages back against a stop, with the male M14x1.5 thread providing a robust anchor for mechanical linkages.
Hold-Down Clamps
Pulls a clamp arm securely out of the way when air is applied, allowing the internal spring to snap it back into the holding position upon air release.
Gate Diverters
Retracts a sorting flap on a 10 mm stroke to let items pass, relying on the spring to extend and close the diversion path during an air loss.
Is the Airtac STA Single Acting Compact Guided Cylinder STA40X10B the Right Cylinder?
When sizing this 40 mm bore, compare it both ways: stepping down to the STA32 yields 290.1 N net pull at 0.5 MPa, while stepping up to the STA50 provides 717.7 N at 0.5 MPa. Based on the 445.1 N figure at 0.5 MPa, a safe working load is roughly 267 N (about 60 percent of capacity), which translates to a vertical lift of approximately 22.7 kg with a 2:1 safety margin.
Remember the 30 mm maximum standard stroke ceiling and the spring-extend behavior. If air pressure drops, the spring drives the rod out to the extended rest position, so it cannot hold a mid-stroke load without an external device. This specific configuration has no piston magnet (-S omitted), so it cannot accept magnetic switches. It requires at least 0.2 MPa operating pressure to overcome the internal spring, with a maximum of 1.0 MPa.
Quick checklist
- ✓ Net pull force at your working 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 Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac STA Single Acting Compact Guided Cylinder STA40X10B FAQ
The net pull force is 445.1 N at 0.5 MPa and 656.2 N at 0.7 MPa. These figures already account for the internal spring subtraction. It requires a minimum operating pressure of 0.2 MPa to overcome the spring, with a maximum limit of 1.0 MPa.
No, this specific SKU lacks the -S option, meaning it has no built-in piston magnet and cannot accept AirTAC reed or electronic switches. You would need to select the -S variant to enable sensor groove detection.
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