Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 85mm 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
- Stroke85 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40
The AirTAC SAIJ160X85-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a usable travel window of 45 to 85 mm. It delivers a substantial 14074 N of push force at 0.7 MPa, making it well-suited for heavy-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This specific configuration incorporates a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and features PT tapered port threads. The rear adjustment screw allows you to fine-tune the end position at commissioning without adding external stops. The adjuster functions strictly as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 85 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 SAIJ160AX85-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×85 | 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 SAIJ160AX85-40 Is Used
Press Stroke Calibration
Dial in the exact 45 to 85 mm travel window during machine setup to accommodate varying material thicknesses without mechanical modifications.
Product Changeover Stops
Quickly adjust the rear stopper for different package sizes on a packaging line, utilizing the 40 mm adjustment range to set new end positions.
Heavy Duty Positioning
Leverage the 14074 N push force at 0.7 MPa to move heavy pallets or tooling, relying on the SUS420J2 rod for durability in industrial environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-40 the Right Cylinder?
Select this 160 mm bore model when an application requires high thrust, such as 10053 N at 0.5 MPa, alongside precise end-position tuning. If you need less force, stepping down to the 125 mm bore yields 8590 N at 0.7 MPa. The 40 mm adjustment range is ideal for product changeovers on a line, allowing operators to dial in the exact retract distance without swapping the cylinder. For load-holding without continuous air pressure, use a SAIL or BSAI cylinder instead, as this adjuster is not a lock.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 85 mm nominal stroke, 40 mm adjustment range, PT port threads, and required mounting accessories. The SAIJ series supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is under 300 mm, side-load concerns are minimal, but the robust 40 mm rod and M36x2 thread handle high mechanical stress effectively.
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 SAIJ160AX85-40 FAQ
At a 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. It can deliver up to 18095 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 40 mm from the nominal 85 mm, creating a usable travel window of 45 to 85 mm. It acts as a mechanical stop to fine-tune the end position and is not a lock.
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