Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S
Delivering 982 N of push force at 0.5 MPa, this double-acting single-rod profile cylinder brings on-site extend-stroke flexibility to long-trroke automation. The external stop screw provides a 40 mm adjustment window, meaning the usable extend stroke can be fine-tuned anywhere from 560 mm up to the 600 mm maximum without swapping the unit. The retract end remains fixed. This built-in adjustability lets you set precise end positions and even share spares across similar stroke variants. It uses a G1/4 air port.
Built to JIS dimensions with an extruded hard-anodized aluminium barrel, it is shorter and more compact than an ISO 15552 cylinder of the same bore. The -S suffix adds a piston magnet for CMSE/DMSE switches that mount directly into the side grooves. For practical sizing, expect a safe working load around 589 N, which translates to lifting roughly 50 kg vertically with a 2:1 safety margin. Note that the air cushion only decelerates the piston near the ends; an external rod lock or pilot-operated check valve is required to hold a load on air loss.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 600 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 JSIJ50X600-40S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×600 | 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 JSIJ50X600-40S Is Used
Long-Transfer Pushing
Pushes workpieces down a 600 mm transfer line, using the 40 mm adjuster to dial in the exact push-off distance for different pallet sizes.
Adjustable Divert Gate
Actuates a diverting gate on a conveyor where the fully extended position needs occasional 20 mm retraction to clear new product profiles without remounting.
Vertical Lowering Stop
Lowers a 45 kg fixture using the 560 mm shortened stroke, relying on the adjustable stop screw to set the precise lowering depth on-site.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-40S the Right Cylinder?
When sizing this 50 mm bore, step down to a 40 mm bore for 628 N push at 0.5 MPa, or up to a 63 mm bore for 1559 N if you need substantially more force. The 40 mm adjustable window is ideal for applications requiring on-site end-position tuning after mechanical installation. JSIJ mounting options include Basic, FA, LB, TC, TCM1, and TCM2. The integrated magnet supports CMSE/DMSE sensors for position feedback. Because the stroke is 600 mm, always use an external guide to prevent rod bending and side-load damage.
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 JSIJ50X600-40S FAQ
At 0.5 MPa it provides 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 uses a G1/4 air port.
The 40 mm window means an external stop screw can shorten the extend stroke on-site by up to 40 mm. The usable extend range is 560 to 600 mm, with 600 mm being the maximum nominal stroke. The retract end is fixed, and the stop screw sets the end position rather than locking the load.
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