Airtac SAIJ50 Adjustable Cylinder SAIJ50BX190-10S
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50BX190-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 190mm 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
- Stroke190 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 SAIJ50BX190-10S
The AirTAC SAIJ50X190-10-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 982N push force at 0.5 MPa and uses a 20mm carbon steel core, but this specific variant is built with a SUS304 stainless steel rod (code B) for superior corrosion resistance. The integrated -S magnet directly supports AirTAC CMSE reed and DMSE electronic sensors housed within the dual-side barrel grooves.
Equipped with a 10mm adjustment screw, this model creates a 180-190mm usable travel window for fine-tuning end positions at commissioning. It features G1/4 ports and 30mm variable air cushions at both ends to decelerate the load smoothly. The rear stopper solely trims the travel distance and must never be mistaken for a locking mechanism, as live air pressure is required to hold the load.
Airtac SAIJ50 Adjustable Cylinder SAIJ50BX190-10S Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50BX190-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 190 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 SAIJ50BX190-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×190 | 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 SAIJ50BX190-10S Is Used
Product Changeover Tuning
Dial in the 180-190mm travel window during packaging line format changes to accommodate slightly different carton sizes without swapping hardware.
End-Stop Calibration
Use the rear adjuster to precisely set the retract position for machining operations, ensuring exact clamping depth without external spacers.
Corrosive Testing Jigs
Leverage the SUS304 stainless steel rod for test fixtures in lightly corrosive environments while maintaining standard ISO 15552 mounting.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50BX190-10S the Right Cylinder?
Select this 50mm bore cylinder when an application requires 982N of push force at 0.5 MPa, stepping up from a 40mm bore that yields 628N, or down from a 63mm bore providing 1559N. The 10mm adjustable end-stop is chosen over a fixed SAI cylinder when you need precise product changeover tuning without adding external physical stops to the machine frame. For load-holding without continuous air pressure, this standard adjuster will not suffice; consider an SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
Because the 190mm stroke approaches mid-range travel, the 16mm rod thread handles moderate side loads well, but any application approaching the 30-800mm/s speed limit should use an external guide to prevent rod bending. This configuration is dimensionally interchangeable per ISO 15552 and includes a PT tapered port thread, a SUS304 rod, and the -S magnet option. Mounting options are restricted to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ50BX190-10S FAQ
At 0.5 MPa, this 50mm bore cylinder provides 982N of push force and 825N of pull force. It operates at speeds between 30 and 800 mm/s, supported by 30mm air cushions at both ends.
The rear adjuster screw allows you to shorten the 190mm nominal stroke by up to 10mm, creating a 180-190mm usable travel window. This stopper only limits travel distance; it does not lock or hold the load without live air pressure.
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