
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X700-75 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 700mm 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 hard-anodized aluminium profile barrel makes the body more compact than a same-bore ISO 15552 cylinder.
An external stop screw lets you shorten the extend stroke by up to 75 mm on-site, giving a usable range of 625-700 mm while the retract end stays fixed. The G1/2 port feeds a 32 mm rod with an M26x1.5 thread, and adjustable 33 mm air cushions decelerate the payload at both ends. Because this SKU lacks a magnet, it cannot take a CMSE or DMSE sensor.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X700-75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 700 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). |
| ×700 | 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 625-700 mm extend position to push blanks into a heavy press, using the 75 mm adjuster to compensate for varying material thicknesses on-site.
Provides 5497 N of clamping force at 0.7 MPa, allowing operators to tweak the extend stroke by up to 75 mm to secure oversized parts accurately.
For 0.5 MPa push needs, the 80 mm bore yields 2513 N while the 125 mm bore reaches 6136 N, placing this 100 mm model squarely in the heavy-duty range. The 75 mm adjuster is ideal when you need to fine-tune a long extend end-point without swapping cylinders or when sharing a spare across slightly different 700 mm stroke variants. Mounting options include FA, LB, TC, TCM1, and TCM2. Since the 700 mm stroke is quite long, use an external guide rail to prevent rod bending and side-load damage. Note that a plain cylinder drifts on air loss; add an external rod lock or pilot-operated check valve to hold a suspended load.
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 is 801 kgf at 1.0 MPa. It uses a G1/2 port, a 32 mm rod, an M26x1.5 rod-end thread, and 33 mm adjustable cushions.
The 700 mm nominal stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 75 mm on-site, yielding a usable extend range of 625-700 mm. The retract end remains fixed, and the stop only sets the end position rather than locking the load.
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