Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 700mm 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.
- BoreØ50 mm
- Stroke700 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore pneumatic actuator brings on-site flexibility to long-stroke tasks. It is a JIS-standard profile cylinder machined from hard-anodized aluminum, making it shorter and more compact than a same-bore ISO 15552 unit. The G1/4 port feeds a double-acting single-rod mechanism rated for 30-800 mm/s speeds.
The external adjuster lets you shorten the extend stroke by up to 100 mm on-site, giving a usable range of 600-700 mm without changing the cylinder itself. This unit handles about 589 N of real work safely, translating to roughly 50 kg lifted vertically with a 2:1 margin. Because this SKU lacks a magnet, it cannot take a CMSE/DMSE sensor; add an -S variant if you need position detection. Note that the air cushion only decelerates the piston near stroke end—it is not a load lock, so fit an external rod lock or pilot-operated check valve to hold a suspended load.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 700 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).
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | 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.
Where the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 Is Used
Transfer Line Diversion
Fine-tune the 600-700 mm extend stop on-site to push varying box sizes onto a secondary conveyor belt without swapping the actuator.
Long-Reach Pusher
Use the 700 mm maximum stroke to clear wide pallet lanes, dialing back the extend position by up to 100 mm when aisle clearances change.
Vertical Lowering Stop
Adjust the downward extend endpoint precisely for different package heights, relying on an external check valve to hold the suspended load safely.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 the Right Cylinder?
When sizing this 50 mm bore, step down to a 40 mm cylinder for lighter duties (628 N push at 0.5 MPa) or step up to a 63 mm bore for heavier loads (1559 N push at 0.5 MPa). The 100 mm adjustable window is ideal for fine-tuning the extend end position on-site or sharing a single spare across multiple stroke variants. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. Because the 700 mm stroke exceeds 300 mm, you must support the rod against side-load bending using an external guide rail to prevent premature wear.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X700-100 FAQ
At 0.5 MPa it delivers 982 N push and 825 N pull. At 0.7 MPa it provides 1374 N push and 1154 N pull. The theoretical maximum force is 200 kgf at 1.0 MPa. It features a G1/4 port and a 20 mm piston rod.
The nominal 700 mm stroke is the maximum extend length. An external stop screw lets you shorten the extend stroke by up to 100 mm on-site, yielding a usable range of 600-700 mm. The retract end remains fixed, and this adjustment only sets the end position—it does not lock the load.
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