Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 250mm 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
- Stroke250 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S
The AirTAC SAIJ160X250-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 18095N at 0.9 MPa. It features a durable SUS304 stainless steel rod and an integrated magnet for position sensing. By turning the rear screw, you achieve a usable travel window of 220-250 mm, enabling precise end-position tuning without swapping hardware.
This extruded aluminum profile cylinder includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. The rear stopper simply sets the retract deceleration point; it is not a locking device, so live air is required to hold the load. For dead-air load holding, an external SAIL or BSAI lock is necessary.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 250 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 SAIJ160BX250-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×250 | 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 SAIJ160BX250-30S Is Used
Heavy Press Tuning
Fine-tune the 220-250 mm stroke end-position during setup to accommodate different material thicknesses in large pressing operations.
Product Changeover
Quickly adjust the retract stop on automated lines when switching product sizes, avoiding the need to physically swap out the entire cylinder.
Guided Lifting
Lift heavy payloads using the 18095N force, relying on the external adjuster to set the precise lower travel limit while external guides handle side loads.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX250-30S the Right Cylinder?
Choose this 160 mm bore when a 100 mm bore (7068N push at 0.9 MPa) lacks the power for heavy pressing or lifting, but you want to avoid the extreme size of a 200 mm unit. The 30 mm adjustment range is ideal for product changeovers, letting you dial in the exact 220-250 mm end-stop at commissioning rather than machining external spacers. It operates at speeds of 30-500 mm/s.
To match this ISO 15552 interchangeable cylinder, specify a 250 mm stroke, 30 mm adjustment, PT tapered ports, and the -S magnet. Because the stroke is 250 mm, ensure external guiding is used to protect the 40 mm rod and M36x2 thread from excessive side loads. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160BX250-30S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder provides a push force of 18095N and a pull force of 9425N. It reaches a maximum push force of 10053N at 0.5 MPa.
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective travel from the nominal 250 mm down to 220 mm. It only sets the end position and does not lock the load without live air pressure.
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