Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 90mm 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.
- BoreØ160 mm
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50
The AirTAC SAIJ160X90-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 90 mm stroke by up to 50 mm. This creates a highly flexible 40-90 mm usable travel window, perfect for fine-tuning end positions during commissioning without swapping out the entire unit. It delivers robust thrust, generating 10053 N of pull force at 0.5 MPa and reaching 18095 N at 0.9 MPa.
Built with a SUS304 stainless steel rod (code B) for superior corrosion resistance, this 160 mm bore cylinder uses a PT tapered G3/4 port and operates at speeds of 30-500 mm/s. The extruded aluminum barrel features sensor grooves on both sides, though this specific SKU omits the magnet, meaning CMSE or DMSE electronic sensors cannot be used without modification. The rear adjuster acts strictly as a travel stop to set deceleration, not as a lock to hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 90 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×90 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX90-50 Is Used
Heavy Press Tuning
Dial in the exact 40-90 mm pressing depth for high-force assembly operations without changing the cylinder or adding external mechanical stops.
Product Changeover
Quickly adjust the retract end-position by up to 50 mm to accommodate different package sizes or pallet widths on an automated packaging line.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for heavy-duty positioning tasks in washdown or chemically exposed manufacturing settings.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-50 the Right Cylinder?
Choose this 160 mm bore model when an application demands high thrust that smaller bores cannot provide; for context, stepping down to a 125 mm bore drops the 0.5 MPa pull force to 5734 N. The 50 mm adjustment range is ideal for product-size changeovers on a line, allowing operators to variably set the end-stop on the fly instead of machining external stops. For load-holding without continuous air pressure, this cylinder is insufficient—the adjuster is not a brake—so you should explore an AirTAC SAIL or BSAI locking cylinder instead.
Because the 90 mm stroke is relatively short for this large bore, side-load stress on the 40 mm rod is manageable, but an external guide remains necessary for heavy off-center loads. To match this ISO 15552 interchangeable cylinder exactly, confirm the 160 mm bore, 90 mm nominal stroke, 50 mm adjustment, PT G3/4 port, SUS304 rod, and standard mounting options (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that SAIJ omits FB, CA, CB, and CR mounts.
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 SAIJ160 Adjustable Cylinder SAIJ160BX90-50 FAQ
At a 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force. At 0.9 MPa, the push force increases to 18095 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 90 mm nominal stroke anywhere within a 40-90 mm usable travel window. It only sets the end position and does not lock the load without live air pressure.
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