
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X160-20S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 160mm stroke, G1/8 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
The extruded hard-anodized aluminum body has no exposed tie rods, making it shorter and more compact than a same-bore ISO 15552 unit. The G1/8 port feeds the 12 mm rod, and adjustable 20 mm air cushions govern both ends.
The -20 code means an external stop screw lets you shorten the extend stroke on-site by up to 20 mm, giving a usable range of 140-160 mm while the retract end stays fixed. You can fine-tune the endpoint without swapping the cylinder. The -S suffix adds a piston magnet for CMSE/DMSE switches in the side grooves. Note that a standard cylinder drifts on air loss—the cushion only decelerates, so use an external rod lock for held loads.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X160-20S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 160 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 20 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | 484 N |
| Max (@1.0 MPa) | 70 kgf | |
JSIJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative).
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 32 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×160 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Dial in the exact 140-160 mm clamping reach on a machining fixture using the external adjuster without disassembling the line.
Push lightweight molded parts out of a press, tweaking the extend endpoint by up to 20 mm to accommodate varying product depths.
Act as an adjustable height stop gate on a conveyor, fine-tuning the blocking position on-site to match new pallet sizes.
The adjustable stroke is ideal for sharing a spare across 140-160 mm stroke variants or fine-tuning a machine setup on-site. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. The built-in magnet supports CMSE/DMSE sensors. For this 160 mm stroke, ensure adequate guide support to prevent side-load wear on the 12 mm rod.
Quick checklist
At 0.5 MPa it pushes 402 N and pulls 345 N. At 0.7 MPa it pushes 563 N and pulls 483 N. The theoretical maximum is 82 kgf at 1.0 MPa. The air port is G1/8.
The nominal 160 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 20 mm on-site, yielding a usable extend range of 140-160 mm. The retract end remains fixed, and this stop only sets position—it is not a load lock.
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