
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X75-10 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 75mm stroke, G1/2 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 dash-10 code defines an external adjuster that lets you shorten the extend stroke by up to 10 mm on site, dropping the usable forward travel from the 75 mm maximum down to 65 mm so you can fine-tune the end position without remounting the actuator. This plain SKU lacks a magnet and cannot take a CMSE or DMSE sensor, so order an -S variant if you need position detection. Note that the adjustable stop only sets the endpoint; it does not hold the load on air loss, so fit an external rod lock or pilot-operated check valve for vertical safety.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X75-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 75 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/2 |
| Rod thread | M26×1.5 |
| 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, 33 mm |
| Max standard stroke | Up to 1500 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 | 3525 N | 3525 N |
| 0.7 MPa | 4935 N | 4935 N |
| Max (@1.0 MPa) | 719 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). |
|---|---|
| 100 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×75 | 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 seating depth of a bearing press by trimming the extend stroke up to 10 mm on site, ensuring perfect insertion without remounting the cylinder.
Fine-tune the stopping position of inbound pallets on a roller conveyor by setting the 75 mm extend stroke to the exact required protrusion.
When sizing this 100 mm bore, stepping down to an 80 mm unit drops the 0.5 MPa push force to 2513 N, while moving up to a 125 mm bore raises it to 6136 N, giving you clear boundaries for your 3927 N baseline. The 10 mm extend-shortening window shines when you need on-site end-position tuning or want a single shared spare across slightly different stroke variants. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. Because this is a non-magnet SKU, you cannot add position sensors; specify the -S version if your control system requires CMSE or DMSE switches. For any stroke length at or above 300 mm, always guide the load to prevent side-load damage to the front cover.
Quick checklist
At 0.5 MPa it pushes 3927 N and pulls 3574 N. At 0.7 MPa it pushes 5497 N and pulls 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa. This 100 mm bore unit uses a G1/2 port, a 32 mm rod, M26x1.5 rod thread, and 33 mm adjustable air cushions at both ends.
The nominal extend stroke is 75 mm, which is the maximum travel. The external adjuster lets you shorten that forward stroke by up to 10 mm on site, giving a usable extend range of 65 to 75 mm so you can set the exact end position without changing the cylinder. The retract end remains fixed.
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