The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X1000-40 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 1000mm stroke, G1/4 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.
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder brings a compact footprint to long-stroke tasks. It is notably shorter than a same-bore ISO 15552 unit. The hard-anodized aluminum barrel keeps weight down while handling about 589 N of real work, which is roughly 50 kg lifted vertically with a 2:1 margin.
The -40 code means an external adjuster can shorten the extend stroke on-site by up to 40 mm, giving a usable range of 960-1000 mm while the retract end stays fixed. You get adjustable air cushions of 20.5 mm at each end and a G1/4 port. Note this plain SKU lacks a magnet and cannot take a CMSE/DMSE sensor.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X1000-40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 1000 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M18×1.5 |
| 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, 20.5 mm |
| Max standard stroke | Up to 1200 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×1000 | 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.
Pushes parts across a wide conveyor belt, using the 40 mm adjuster to dial in the exact hand-off position without moving the cylinder mounts.
Extracts totes from deep shelving racks, relying on the 960-1000 mm stroke range and a 50 kg vertical lift margin to handle goods safely.
Closes large machining clamps where the final 40 mm of travel must be tuned on-site to avoid crushing delicate castings.
This 50 mm bore sits between the 40 mm (628 N push) and 63 mm (1559 N push) sizes at 0.5 MPa, so use it when the smaller bore lacks thrust or the larger is physically too wide. The 40 mm adjuster window is ideal for sharing one spare across slightly different stroke variants or fine-tuning the extend end position without remounting. Mounting options include FA, LB, TC, TCM1, and TCM2. Because the stroke is 1000 mm, you must support the load with an external guide to prevent rod bending and excessive side loading. Add the -S suffix if you need a magnet for CMSE/DMSE sensors.
Quick checklist
It uses a G1/4 port. At 0.5 MPa it pushes 982 N and pulls 825 N. At 0.7 MPa it pushes 1374 N and pulls 1154 N. The theoretical maximum force is 200 kgf at 1.0 MPa.
The 1000 mm nominal stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 40 mm, yielding a usable range of 960-1000 mm. The retract end is fixed. This mechanism sets the end position but does not lock the load; you need an external rod lock or pilot-operated check valve to hold a load on air loss.
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