Airtac SAIJ160 Adjustable Cylinder SAIJ160BX170-30S
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX170-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 170mm 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
- Stroke170 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 SAIJ160BX170-30S
The AirTAC SAIJ160X170-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel down by up to 30 mm, creating a usable stroke window of 140-170 mm. This built-in adjustability enables precise end-position tuning at commissioning or during product changeovers without swapping out the entire cylinder or adding bulky external stops.
Equipped with a SUS304 stainless steel rod (code B) for superior corrosion resistance, this 160 mm bore unit utilizes a G3/4 PT tapered port and operates at speeds of 30-500 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise position feedback. The rear adjuster acts strictly as a travel stop to decelerate the load alongside the adjustable air cushions, meaning it does not hold the load in place without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX170-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX170-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 170 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 SAIJ160BX170-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×170 | 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 SAIJ160BX170-30S Is Used
Product Changeover Stops
Dial in the 140-170 mm travel window during format changeovers on heavy machinery without disassembling the actuator or bolting on secondary stops.
Heavy Press End-Tuning
Fine-tune the final end-position on a 10053N press operation at commissioning, using the rear screw to compensate for mechanical wear or slight mounting offsets.
Variable Positioning Jigs
Adjust the retract stop dynamically on large welding or clamping jigs to accommodate varying part dimensions while relying on the SUS304 rod for corrosion resistance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX170-30S the Right Cylinder?
Because this cylinder features a 170 mm stroke, it falls below the 300 mm threshold requiring external side-load guides, but the substantial 40 mm rod diameter still handles high dynamic stresses effectively.
An adjustable-stroke SAIJ cylinder is chosen over a fixed-stroke SAI when a machine setup requires variable end-stops to accommodate multiple product sizes on a single line. To match this ISO 15552 interchangeable profile cylinder, confirm the 160 mm bore, 170 mm nominal stroke, 30 mm adjustment, G3/4 PT ports, SUS304 rod, and the -S magnet. For applications that must hold a load statically without continuous air pressure, this standard adjuster cannot act as a lock—consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external pilot-operated check valve instead.
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 SAIJ160BX170-30S FAQ
The rear adjuster screw allows you to shorten the 170 mm nominal stroke by up to 30 mm, providing an adjustable travel window of 140 to 170 mm. The adjuster acts as a mechanical stop to set the end position and does not lock or hold the load without continuous air pressure.
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