Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 50mm 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
- Stroke50 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S
The AirTAC SAIJ160X50-50-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a nominal 50 mm stroke and a 50 mm adjustment range, it provides a fully variable 0 to 50 mm usable travel window, allowing you to set the exact retract end-position during commissioning. It delivers substantial thrust, generating 14074 N of push force and 10053 N of pull force at 0.7 MPa.
This specific SKU is configured for demanding environments with an SUS304 stainless steel rod (code B) for superior corrosion resistance. The barrel features sensor grooves on both sides, and the included magnet (-S) supports CMSE reed and DMSE electronic solid-state switches for precise position feedback. The PT tapered port ensures a tight, reliable pneumatic connection.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 50 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 SAIJ160BX50-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×50 | 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 SAIJ160BX50-50S Is Used
Multi-Size Clamping Fixtures
Dial in the exact 0-50 mm retract stop for clamping various part sizes on a single machining fixture without swapping cylinders.
Machine Commissioning Tuning
Fine-tune the end-of-stroke position during setup to absorb mechanical tolerance stack-up and achieve perfect alignment.
High-Force End Stops
Leverage the 14074 N push force at 0.7 MPa to securely form or press components, using the adjuster to limit travel distance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-50S the Right Cylinder?
Choose this 160 mm bore adjustable-stroke cylinder when an application requires high force but variable end-stops, such as clamping different sized parts on a single fixture. If your force requirements are lower, stepping down to a 100 mm bore yields 5497 N push force at 0.5 MPa, whereas stepping up to a 200 mm bore provides 15708 N push force at 0.5 MPa. The rear adjuster on this SAIJ model acts as a travel stop for fine-tuning, not a lock; it cannot hold the load without live air pressure. For true load-holding without continuous air, consider the SAIL or BSAI series. To replace an ISO 15552 cylinder, match the 160 mm bore, 50 mm stroke, 50 mm adjustment, PT port, and -S magnet.
Because the adjustment range equals the full 50 mm stroke, you can dial the travel down to a near-zero effective stroke if needed. The robust 40 mm rod and M36x2 thread handle high side loads, though even with a large rod, any application approaching the 50 mm stroke limit should still use an external guide rail to prevent binding. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR brackets.
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 SAIJ160BX50-50S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 10053 N of pull force. At the maximum 1.0 MPa pressure, it can achieve up to 2050 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from its nominal 50 mm down to 0 mm. This allows precise end-position tuning during commissioning without adding external stops, though it does not lock the load without live air pressure.
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