Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 750mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ63 mm
- Stroke750 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50
The AirTAC SAIJ63X750-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 700 to 750 mm. Delivering a push force of 1559 N at 0.5 MPa and 2182 N at 0.7 MPa, it handles substantial workloads while allowing precise end-position tuning during commissioning.
This model uses a carbon steel piston rod with an M16x1.5 thread, paired with PT tapered port threads and a G3/8 air supply. The extruded aluminum barrel incorporates sensor grooves on both sides for CMSE reed or DMSE electronic switches. Its rear adjuster acts purely as a mechanical stop to trim the stroke and cannot hold a load without continuous air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 750 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×750 | 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 Is Used
Machine Changeover
Dial in the exact end-of-stroke position within the 700-750 mm window during product size changes without replacing the cylinder or adding external stopper blocks.
Assembly Line Tuning
Fine-tune the retract position at commissioning to accommodate slight mechanical variances in a new assembly station, ensuring precise part placement.
Variable End Stops
Use the rear adjusting screw to set different retract distances for mixed-model production lines, providing flexibility without external hardware.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 the Right Cylinder?
Choose this 63 mm bore when an application requires roughly 1559 N of push force at 0.5 MPa, stepping up from a 50 mm bore that provides 982 N, or down from an 80 mm bore yielding 2513 N. The 50 mm adjustment range is highly beneficial for machine setups requiring variable end-stops, eliminating the need to swap cylinders during product changeovers. Because the 750 mm stroke is relatively long, external guide rails should be used to prevent excessive rod side-loading and ensure smooth operation.
For ISO 15552 dimensional interchangeability, verify the 63 mm bore, 750 mm stroke, 50 mm adjustment range, G3/8 PT ports, and standard carbon steel rod. The mounting footprint supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 accessories. If true load-holding without live air is required, consider the SAIL or BSAI series, as the SAIJ adjuster is strictly a travel stop.
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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X750-50 FAQ
At 0.5 MPa, this 63 mm bore cylinder provides a push force of 1559 N and a pull force of 1402 N. At 0.7 MPa, the push force increases to 2182 N.
The SAIJ63X750-50 has a nominal 750 mm stroke with a 50 mm rear adjuster, creating a usable travel window of 700 to 750 mm. The rear screw acts as a mechanical stop to shorten the stroke and is not a locking device; the cylinder requires live air to hold its position.
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