Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 195mm 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
- Stroke195 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S
The AirTAC SAIJ200X195-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the effective travel by up to 50 mm. This yields a precise 145-195 mm usable stroke window, ideal for fine-tuning end positions during commissioning without adding external stops. It delivers massive thrust, pushing 21991 N at 0.7 MPa and pulling 15080 N.
This variant features a SUS420J2 stainless steel rod (code A) for enhanced durability against minor corrosion or scoring, and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and because this is an -S model, it carries a magnet ready for AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical stop to set the retract position and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 195 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 SAIJ200AX195-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×195 | 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 SAIJ200AX195-50S Is Used
Heavy Press Fine-Tuning
Dial in the exact 145-195 mm retract distance on a large press without swapping cylinders, ensuring precise clamping force across different jig thicknesses.
Product Size Changeover
Quickly adjust the end-stop position on an automated line when switching between large product variants, using the 50 mm rear screw to adapt the travel window.
Large Assembly Positioning
Move heavy 200 mm bore loads into exact alignment for mating components, relying on the 21991 N thrust and the adjustable stop for repeatable setup.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-50S the Right Cylinder?
Choose this 200 mm bore when a 160 mm bore (providing 14074 N push at 0.5 MPa) is insufficient for moving heavy assemblies. The 50 mm adjustment range is selected over a fixed-stroke SAI when a machine handles multiple product sizes, letting operators fine-tune the retract end-point on the fly. For load-holding without continuous air pressure, this cylinder is not a lock; you should instead look at the SAIL or BSAI series, or fit an external pilot-operated check valve.
When ordering, confirm the 200 mm bore, 195 mm stroke, 50 mm adjustment, PT G3/4 ports, and the -S magnet. The SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options found on other ISO 15552 lines. Because the stroke is 195 mm, side-load risks are moderate, but for any stroke over 300 mm you must use an external guide to prevent rod binding.
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 SAIJ200AX195-50S FAQ
At 0.7 MPa operating pressure, this 200 mm bore cylinder provides 21991 N of push force and 15080 N of pull force. It can deliver up to 3204 kgf at its maximum 1.0 MPa pressure rating.
The rear adjuster screw allows you to shorten the 195 mm nominal stroke by up to 50 mm, creating a usable travel window of 145-195 mm. The adjuster is a mechanical stop that sets the end position; it does not lock or hold the load without live air pressure.
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