Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20
The AirTAC SAIJ160X30-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel into a 10-30 mm window. Built with a 40 mm SUS304 stainless steel rod and a PT G3/4 tapered port, it delivers massive thrust up to 18095 N at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
Because the rear adjuster acts as a hard stop rather than a lock, this cylinder requires live air to maintain its position. It uses a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB and CA options. The 50 mm variable air cushion at both ends helps absorb the heavy impact forces inherent to a 160 mm bore.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 30 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 SAIJ160BX30-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×30 | 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 SAIJ160BX30-20 Is Used
Precision Press Tuning
Dial in the exact 10-30 mm travel window during machine commissioning to perfect pressing operations without external stops.
Product Changeover
Quickly adjust the rear stopper to accommodate varying product sizes on a high-force assembly line.
Heavy Assembly Setup
Use the massive 18095 N pull force at 0.9 MPa for joining heavy components while fine-tuning the final position.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX30-20 the Right Cylinder?
Choose this 160 mm bore when your application demands high force, generating 14074 N push at 0.7 MPa, but requires precise end-position tuning at commissioning. If you need less force, stepping down to a 100 mm bore yields 5497 N push at 0.7 MPa. The adjustable stroke is ideal for variable end-stops without swapping cylinders, though true load-holding without live pressure requires a SAIL or BSAI model. This SKU maps to a 160 mm bore, 30 mm stroke, 20 mm adjustment, PT G3/4 port, SUS304 rod, and no magnet.
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 SAIJ160BX30-20 FAQ
At 0.9 MPa, this 160 mm bore cylinder generates a push force of 18095 N and a pull force of 9425 N. The maximum thrust at 1.0 MPa is 2050 kgf.
The rear adjuster screw lets you shorten the 30 mm nominal stroke by up to 20 mm, creating a usable travel window of 10 to 30 mm for fine-tuning without replacing the cylinder.
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