Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX185-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 185mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ160 mm
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30
The AirTAC SAIJ160X185-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning of the retract end position. This specific SKU provides a usable travel window of 155-185 mm, allowing you to dial back the 185 mm nominal stroke by up to 30 mm during commissioning without adding external stops.
Built with a SUS304 stainless steel rod for superior corrosion resistance, this model uses PT tapered ports and includes variable air cushions at both ends. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. Note that the rear adjuster acts strictly as a travel stop to decelerate the load, not as a lock, so live air pressure is required to hold position.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 185 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×185 | 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 SAIJ160BX185-30 Is Used
Press Stroke Calibration
Dial in the exact 155-185 mm travel window during machine commissioning to accommodate varying material thicknesses without swapping out the entire cylinder body.
Product Changeover Stops
Quickly adjust the retract end-position by up to 30 mm on a packaging line when switching to a different product size, avoiding the need for external mechanical stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-30 the Right Cylinder?
You would step down to a 125 mm bore if your load only requires 8590N at 0.7 MPa, or step up to a 200 mm bore for 21991N. The adjustable 155-185 mm travel window is ideal for machine setups handling product changeovers, replacing a fixed-stroke SAI cylinder when a variable end-stop is needed.
If your process requires true load-holding without continuous air pressure, a plain SAIJ cannot perform this function; you would need to specify a SAIL air-released lock or BSAI clamp-lock cylinder instead. This SAIJ160X185-30 is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since this unit lacks the -S magnet option, it cannot host CMSE or DMSE sensors without modification.
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 SAIJ160BX185-30 FAQ
The rear adjuster screw allows you to shorten the 185 mm nominal stroke by up to 30 mm, creating a usable travel window of 155-185 mm. This stopper decelerates the travel end for fine-tuning but does not lock the load without live air pressure.
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