Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 650mm 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
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75
The AirTAC SAIJ160X650-75 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical stopper that allows you to trim the effective stroke. With a 650mm nominal stroke and a 75mm adjustment range, you can dial in the exact travel window anywhere between 575mm and 650mm without swapping hardware. This bore delivers immense thrust, pushing 14074N and pulling 9425N at 0.7 MPa.
This unit uses a SUS420J2 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic solid-state switches. A variable air cushion at both ends helps decelerate the heavy 40mm rod over its 50mm cushion length.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 650 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 SAIJ160AX650-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×650 | 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 SAIJ160AX650-75 Is Used
Heavy Press Tuning
Fine-tune the pressing depth of large metal-forming or stamping presses on the fly, using the 575-650mm travel window to accommodate varying material thicknesses without changing the cylinder.
Product Changeover
Rapidly adjust end-stops on automated heavy-assembly lines when switching between product variants, relying on the rear screw to set exact positioning without adding external mechanical stops.
Large Clamp Positioning
Secure oversized components in fabrication fixtures by precisely limiting the clamping travel, ensuring delicate parts are not crushed by the cylinder's 18095N push force at 0.9 MPa.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-75 the Right Cylinder?
Choose this 160mm bore when a 125mm cylinder (providing 8590N push at 0.5 MPa) cannot meet your force requirements, but a 200mm bore is physically too large for the envelope. The 75mm adjustable stop is selected when a machine requires frequent product-size changeovers, allowing precise end-position tuning at commissioning rather than machining external hard stops. For drop-in replacements, match the 160mm bore, 650mm stroke, PT ports, and the required mounting interface.
Because the nominal stroke is 650mm, the long unsupported piston rod is susceptible to deflection and side loads; an external guide mechanism is highly recommended to prevent premature seal wear. Remember that the rear adjuster is strictly a travel stop, not a locking device. If your application must hold a load without live air pressure, integrate an external rod lock or pilot-operated check valve, or select the AirTAC SAIL or BSAI series.
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 SAIJ160AX650-75 FAQ
At an operating pressure of 0.7 MPa, this 160mm bore cylinder generates a push force of 14074N and a pull force of 9425N. At the maximum pressure of 1.0 MPa, the push force reaches 18095N.
The rear adjuster screw acts as a mechanical stop that limits the retract travel. For this SAIJ160X650-75 model, you can shorten the 650mm nominal stroke by up to 75mm, creating a usable travel window between 575mm and 650mm for precise end-position tuning.
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