Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 275mm 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
- Stroke275 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S
The AirTAC SAIJ160X275-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a substantial 14074N push force at 0.7 MPa and a usable travel window of 200-275mm, letting you shorten the effective stroke by up to 75mm during commissioning without adding external stops.
Built with a SUS304 stainless steel rod for superior corrosion resistance, this unit includes a magnet for CMSE reed and DMSE electronic sensors. The 40mm rod and M36x2 thread handle high side loads, while the rear screw acts purely as a travel stop to decelerate the load, not as a lock.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 275 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 SAIJ160BX275-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×275 | 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 SAIJ160BX275-75S Is Used
Product Changeover
Dial in the 200-275mm travel window during line changeovers to accommodate different product lengths without swapping cylinders.
Heavy Press Setup
Leverage 14074N push force at 0.7MPa for heavy pressing, using the rear stop to fine-tune the exact end position safely.
Machine Commissioning
Trim up to 75mm of stroke at startup to clear mechanical obstructions or dial in precise positioning without external stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX275-75S the Right Cylinder?
Choose this 160mm bore when an 80mm bore (3518N push at 0.7MPa) is insufficient but a 200mm bore is excessive. The 75mm adjustment window is ideal for product changeovers requiring variable end stops. For load-holding without live air, select a SAIL or BSAI cylinder instead, as the adjuster here is only a stop.
As a dimensionally interchangeable ISO 15552 cylinder, match replacements by 160mm bore, 275mm stroke, 75mm adjustment, PT G3/4 port, and -S magnet. For a 275mm stroke, use an external guide to prevent rod bending under heavy side loads. Mounting options are Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ160BX275-75S FAQ
At 0.7 MPa operating pressure, this 160mm bore cylinder generates 14074N of push force and 13274N of pull force. The maximum allowable operating pressure is 1.0 MPa.
The rear adjuster allows you to shorten the 275mm nominal stroke by up to 75mm, creating a usable travel window of 200-275mm. The rear screw acts as a travel stop to set the end position, but it does not lock or hold the load without live air pressure.
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