Airtac SAIJ160 Adjustable Cylinder SAIJ160BX135-50
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX135-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 135mm 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
- Stroke135 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 SAIJ160BX135-50
The AirTAC SAIJ160X135-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to trim the effective travel back by up to 50 mm. This creates a usable stroke window of 85 to 135 mm, letting you dial in the exact retract position during commissioning without adding external stopper blocks. It delivers substantial thrust, pushing with 18095 N and pulling with 9425 N at 0.9 MPa operating pressure.
This specific configuration uses a SUS304 stainless steel piston rod (option B) for superior corrosion resistance in harsh environments. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. Fluid supply connects via a PT G3/4 tapered port, and the unit relies on variable air cushioning at both ends to decelerate the load over the 40 mm cushion length.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX135-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX135-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 135 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 SAIJ160BX135-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×135 | 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 SAIJ160BX135-50 Is Used
Heavy Product Changeovers
Adjust the retract stopper by up to 50 mm to accommodate different product lengths on a heavy-duty packaging line without changing the cylinder.
Commissioning End-Tuning
Fine-tune the exact end-of-stroke position during machine setup to perfect a pressing operation, avoiding the need for machined external spacers.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX135-50 the Right Cylinder?
The adjustable 85 to 135 mm travel window is ideal for product changeovers on a line, allowing operators to fine-tune end positions quickly rather than physically swapping out a fixed-stroke SAI cylinder. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For true fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder instead.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 135 mm nominal stroke, 50 mm adjustment range, PT G3/4 port, and your required mounting bracket from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. Because the 135 mm stroke is relatively short for this large bore, side-load risks are minimal, but always ensure the M36x2 rod thread is aligned to prevent binding.
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 SAIJ160BX135-50 FAQ
The nominal stroke is 135 mm, but the rear adjuster screw lets you shorten the effective travel by up to 50 mm. This provides a usable stroke window of 85 to 135 mm. The adjuster acts as a mechanical stop to set the retract position and works alongside the air cushions, but it does not lock the load without continuous air pressure.
The maximum operating speed is 30-500 mm/s, and the fluid supply connects via a PT G3/4 tapered port.
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