
The AirTAC JSIJ63~80 Adjustable Cylinder JSIJ63X150-50S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø63mm bore and 150mm stroke, G3/8 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 hard-anodized aluminum barrel lacks external tie rods and sits shorter than a same-bore ISO 15552 unit, saving machine space. A built-in magnet (-S) allows CMSE/DMSE sensors to drop directly into the side grooves for precise position detection.
The -50 code means the usable extend range is 100 to 150 mm, letting you fine-tune the end position without swapping the cylinder. Note that the retract end remains fixed, and the adjustable cushion only decelerates the load; use an external rod lock or pilot-operated check valve if you need to hold a load on air loss.
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ63X150-50S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 150 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G3/8 |
| 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, 29 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 | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 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). |
|---|---|
| 63 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×150 | 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.
Adjust the extend stop on site to dial in the exact 125 mm insertion depth for pressing bearings without remounting the actuator.
Raise and lower a conveyor diverter gate, tweaking the extended stop position between 100 and 150 mm to accommodate different carton heights.
Keep one cylinder on the shelf and set the external adjuster to cover 110 mm or 140 mm machine stations, cutting replacement part inventory.
The adjustable stroke is ideal when you need on-site end-position tuning or want a single spare part that covers multiple stroke variants. You can mount it using FA, LB, TC, TCM1, or TCM2 brackets. The -S suffix means a magnet is already included for CMSE/DMSE switches. For any stroke at or above 300 mm, always use a guide rail to prevent side-load damage to the piston rod.
Quick checklist
The theoretical maximum force is 318 kgf at 1.0 MPa.
The nominal stroke is 150 mm, which is the maximum extend length. The external adjuster lets you shorten the extend stroke by up to 50 mm on site, giving a usable extend range of 100 to 150 mm. The retract end is fixed, and the stop screw sets the end position but does not lock the load.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.