Airtac SAIJ50 Adjustable Cylinder SAIJ50AX700-100S
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX700-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 700mm 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
- Stroke700 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 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 SAIJ50 Adjustable Cylinder SAIJ50AX700-100S
The AirTAC SAIJ50X700-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 982N push force at 0.5MPa, featuring a 20mm piston rod with an M16x1.5 thread and a 30mm cushion length to absorb kinetic energy. The -S suffix indicates an integrated magnet for position sensing via CMSE reed or DMSE solid-state switches.
This specific SKU provides a 600-700mm adjustable travel window, allowing you to dial back the 700mm nominal stroke by up to 100mm. The rod is constructed from SUS420J2 stainless steel for enhanced corrosion resistance, and the fluid ports use a PT tapered thread type. It is a true extruded aluminum profile cylinder, dimensionally interchangeable per ISO 15552 without being a tie-rod design.
Airtac SAIJ50 Adjustable Cylinder SAIJ50AX700-100S Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX700-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 700 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 SAIJ50AX700-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×700 | 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 SAIJ50AX700-100S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance between 600 and 700mm during machine setup, avoiding the need to machine custom spacers or swap cylinders when product dimensions change.
Product Changeover
Quickly adjust the stroke length on packaging or assembly lines to accommodate different material sizes, using the rear screw to set the new end position precisely.
Material Positioning
Use the 982N push force at 0.5MPa to move items along a conveyor, relying on the 30mm air cushion and the external stopper to decelerate the load smoothly at the end of travel.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50AX700-100S the Right Cylinder?
Choose this 50mm bore when you need more thrust than the 40mm variant (628N at 0.5MPa) but want to avoid the bulk of a 63mm cylinder. The adjustable stroke is ideal for product changeovers, letting you fine-tune the retract end-position at commissioning without swapping the cylinder or adding external stops. Because the 700mm stroke is substantial, an external guide is recommended to handle side loads and prevent rod binding over long unsupported travel.
When specifying a replacement, match the 50mm bore, 700mm nominal stroke, 100mm adjustment range, PT ports, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Remember that the rear adjuster is a travel stop, not a lock; it will not hold the load without live air pressure. For true fail-safe load holding, consider the SAIL or BSAI series.
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 SAIJ50AX700-100S FAQ
At 0.5MPa operating pressure, this 50mm bore cylinder provides a push force of 982N and a pull force of 825N. It can reach a maximum push force of 1767N at 0.9MPa.
The rear adjuster acts as a mechanical stopper that lets you shorten the effective travel from the 700mm nominal stroke down to 600mm. It fine-tunes the end position during commissioning but does not lock the load without live air pressure.
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