Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 100mm 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
- Stroke100 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40
The AirTAC SAIJ200X100-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 100 mm travel back by up to 40 mm. This creates a usable 60-100 mm stroke window, allowing you to fine-tune the retract end-position at commissioning without swapping the barrel or adding external stops. In the 200 mm bore class, it generates 15708 N of push force and 15080 N of pull force at 0.5 MPa, making it suited to heavy-duty positioning tasks.
This SKU is configured with a SUS304 stainless steel rod (option B) for superior corrosion resistance and carries PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic solid-state switches. Remember that the rear adjuster acts purely as a mechanical travel stop to set deceleration; it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 100 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 SAIJ200BX100-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×100 | 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 SAIJ200BX100-40 Is Used
Press Tonnage Setup
Dial in the exact 60-100 mm travel window during heavy press commissioning to ensure precise contact without over-traveling the tooling.
Product Size Changeover
Quickly adjust the retract end-stop by up to 40 mm on automated lines when switching between different product heights or formats.
Heavy Load Positioning
Leverage the 15708 N of push force at 0.5 MPa to shift heavy pallets or molds, using the rear screw to fine-tune the resting position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX100-40 the Right Cylinder?
Selecting this 200 mm bore over the neighbouring 160 mm size steps the thrust up from 10053 N to 15708 N at 0.5 MPa, providing the extra push force needed for large press or lift operations. An adjustable stroke is chosen over a fixed SAI model when a machine requires variable end-stops to accommodate product-size changeovers on the fly. To match an ISO 15552 replacement, specify the 200 mm bore, 100 mm stroke, 40 mm adjustment, PT G3/4 port, and SUS304 rod.
Because the nominal stroke is 100 mm, side-loading is minimal, but the heavy 25 mm rod and M20x1.5 thread handle high axial stress well. For applications requiring the cylinder to hold a load without continuous air pressure, this standard adjuster cannot act as a lock; instead, consider the SAIL air-released lock or BSAI clamp-lock series. Mounting options include 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 SAIJ200 Adjustable Cylinder SAIJ200BX100-40 FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach a maximum of 3204 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that shortens the 100 mm nominal stroke by up to 40 mm, creating a 60-100 mm travel window. It only sets the end position and does not lock the load without live air pressure.
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