Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 30mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke30 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S
The AirTAC SAIJ50X30-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 20 to 30 mm for precise end-position tuning. It delivers a robust 982N push force at 0.5 MPa, matching the thrust requirements of mid-range pneumatic tasks. The piston rod utilizes SUS420J2 stainless steel (code A), offering enhanced durability against moisture and minor surface scuffing compared to standard carbon steel.
This variant includes a built-in magnet (-S) for position sensing and is wired with PT tapered ports. It features variable air cushions at both ends to manage impact deceleration. The extruded aluminum barrel includes sensor grooves on both sides, allowing direct mounting of CMSE reed switches or DMSE solid-state electronic sensors without requiring extra brackets.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S Is Used
Product Changeover
Dial in the 20-30mm travel window to accommodate slightly different product lengths on a packaging line without changing the cylinder.
Commissioning Calibration
Fine-tune the exact end-of-stroke position during machine setup to align tooling perfectly, avoiding the need to machine custom spacers.
Sorting Diverter
Adjust the retract distance of a conveyor sorting gate on the fly to handle varying package widths while maintaining rapid 30-800 mm/s cycle speeds.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S the Right Cylinder?
Choose this 50mm bore when an application demands higher force than the 40mm bore (which provides 628N push at 0.5 MPa) but lacks the physical space for a 63mm cylinder. The 10mm rear adjuster is selected over a fixed-stroke SAI when a machine setup requires variable end-stops or fine-tuning during commissioning without adding external physical stops. Remember that the rear adjuster functions strictly as a travel stop and does not hold the load without live air pressure; for true fail-safe load holding, consider an external pilot-operated check valve or the SAIL series. For ISO 15552 interchangeability, match the 50mm bore, 30mm stroke, 10mm adjustment, PT port, and -S magnet specifications.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX30-10S FAQ
At a 0.5 MPa operating pressure, this 50mm bore cylinder generates 982N of push force and 825N of pull force. It can deliver up to 1767N of push force at 0.9 MPa.
The rear adjuster acts as an external stopper that allows you to shorten the effective stroke by up to 10mm. This creates a usable travel window of 20 to 30mm, letting you fine-tune the end position without swapping out the cylinder.
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