Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 190mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke190 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S
The AirTAC SAIJ200X190-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 140 to 190 mm, allowing you to dial back the nominal 190 mm stroke by up to 50 mm during machine setup. Equipped with a SUS420J2 stainless steel rod and a magnetic piston, it integrates seamlessly with CMSE reed and DMSE electronic sensors mounted in the dual-side extruded aluminum barrel grooves.
Delivering massive thrust, this 200 mm bore unit generates 15708 N of push force and 15080 N of pull force at 0.5 MPa, scaling up to a maximum of 3204 kgf at 1.0 MPa. The rear adjustment screw acts purely as a travel stop to fine-tune the end position without adding external stops. It does not lock or hold the load without live air pressure; for pneumatic locking requirements, consider the SAIL or BSAI series instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 190 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX190-50S Is Used
Heavy Press Tuning
Fine-tune the 140-190 mm travel window on heavy pressing operations to accommodate varying material thicknesses without physically replacing the cylinder.
Product Changeover
Rapidly adjust the rear stopper by up to 50 mm during production line changeovers to handle different package sizes quickly and efficiently.
Automated Assembly End-Stop
Use the massive 15708 N push force to drive large assemblies, relying on the rear screw to precisely set the final retracted position at commissioning.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX190-50S the Right Cylinder?
Selecting this 200 mm bore model is ideal when your application requires extreme force combined with variable end-position tuning. If your thrust requirements are lower, stepping down to a 160 mm bore cylinder yields 10053 N of push force at 0.5 MPa, which might better suit medium-duty handling. The SAIJ200X190-50-S specifically shines in setups where product sizes frequently change, allowing operators to quickly trim the stroke by up to 50 mm without swapping the cylinder.
Because this cylinder features a 190 mm stroke, the M36x2 rod thread and 40 mm cushioning provide robust deceleration. For any application approaching or exceeding 300 mm of travel, an external guide is highly recommended to manage side loads, though this shorter 190 mm stroke handles moderate radial loads well. The PT tapered port ensures a tight pneumatic seal, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) offers versatile dimensionally interchangeable ISO 15552 mounting options without including FB, CA, CB, or CR brackets.
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 SAIJ200 Adjustable Cylinder SAIJ200AX190-50S FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At its maximum 1.0 MPa pressure, it delivers up to 3204 kgf of thrust.
The rear adjuster screw allows you to shorten the effective stroke from 190 mm down to as little as 140 mm. This creates a 140-190 mm usable travel window for fine-tuning end positions at commissioning, acting as a travel stop rather than a load-holding lock.
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