
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX220-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 220mm 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.
The AirTAC SAIJ160X220-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from the 220 mm nominal stroke to a 190 mm minimum, creating a 190-220 mm usable window. It delivers massive thrust, pushing with 18095 N and pulling with 9425 N at 0.9 MPa. This bore uses a robust 40 mm piston rod with an M36x2 thread, providing high rigidity against side loads.
This variant includes a magnetic piston for position sensing with CMSE reed or DMSE solid-state switches. It features a SUS304 stainless steel rod for corrosion resistance and uses PT tapered ports. The extruded aluminum barrel retains standard ISO 15552 mounting dimensions, but the SAIJ series utilizes a reduced mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX220-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 220 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×220 | 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.
Dial in the exact 190-220 mm travel window during machine setup to set precise pressing depths for heavy assemblies without changing hardware.
Quickly adjust the rear stopper to accommodate different product sizes on a conveyor line, saving downtime compared to physical cylinder swaps.
Use the 18095 N push force to shift heavy molds into position while fine-tuning the final retracted end-stop to meet strict safety clearances.
Select this 160 mm bore when an application requires heavy force around 18095 N but also demands exact end-position tuning at commissioning or during product changeover, avoiding the need to swap cylinders or bolt on external stops. If you need slightly less force, stepping down to a 125 mm bore yields 11045 N of push force at 0.9 MPa. The rear adjuster acts solely as a travel stop and does not hold the load without live air pressure; for true pneumatic locking, consider the SAIL or BSAI series. To replace this cylinder, match the 160 mm bore, 220 mm stroke, 30 mm adjustment, PT G3/4 port, and -S magnet.
Because the 220 mm stroke exceeds 300 mm is not the case here, but with long unsupported strokes generally, an external guide is recommended to prevent rod binding. The operating speed for this large bore is 30-500 mm/s, constrained by its 50 mm variable air cushions at both ends.
Quick checklist
The rear adjuster screw lets you shorten the 220 mm nominal stroke by up to 30 mm, providing a 190-220 mm usable travel window. It acts as a mechanical stop to fine-tune the end position at commissioning, but it is not a lock and will not hold the load without live air pressure.
At 0.9 MPa, this double-acting 160 mm bore cylinder provides a push force of 18095 N and a pull force of 9425 N. It is designed for heavy-duty applications within the ISO 15552 mounting interface.
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