Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm 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.
- BoreØ40 mm
- Stroke600 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM14×1.5
- CushionAdjustable, 20.5 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S
Generating 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder is built for precise on-site end-position tuning. The external adjuster allows you to shorten the extend stroke by up to 20 mm, giving a usable range of 580 to 600 mm without swapping the unit. It handles a safe working load of about 377 N, which translates to lifting roughly 32 kg vertically with a 2:1 margin. The hard-anodized aluminum barrel is shorter and more compact than a same-bore ISO 15552 cylinder, and the G1/4 port keeps airflow efficient.
Because this SKU includes the -S magnet, you can drop CMSE or DMSE reed and electronic switches directly into the side grooves for position sensing. The retract end remains fixed while you fine-tune the extend stop. Note that the adjustable cushion only decelerates the piston near the stroke ends; a plain cylinder does not hold load on air loss, so fit an external rod lock or pilot-operated check valve if you need to prevent drift.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 600 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 JSIJ40X600-20S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | 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 JSIJ40X600-20S Is Used
Conveyor Diverter Tuning
Fine-tune the 580 to 600 mm extend reach on-site to perfectly match varying package widths without changing the cylinder mount.
Vertical Lift Stop
Lifts up to 32 kg safely using the 2:1 margin, with the external adjuster setting the exact raise height for different shelf levels.
Press Positioning
Dial in the final 20 mm of extend stroke to set precise contact pressure on a workpiece before the fixed retract returns the tool.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-20S the Right Cylinder?
When sizing this 40 mm bore, the neighbouring 32 mm bore yields 402 N of push at 0.5 MPa, while the 50 mm bore steps up to 982 N, so choose based on your exact force margin. The -20 mm adjuster is ideal for sharing a spare across stroke variants or dialing in a final end position on-site. JSIJ mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because the 600 mm stroke is long, always use an external guide to prevent rod bending and side-load damage. The built-in -S magnet supports CMSE/DMSE sensors for closed-loop feedback.
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 JSIJ40X600-20S FAQ
At 0.5 MPa it provides 628 N push and 528 N pull. At 0.7 MPa it provides 879 N push and 739 N pull. The theoretical maximum force is 128 kgf at 1.0 MPa. It uses a G1/4 port and a 16 mm rod.
The nominal 600 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 20 mm, giving a usable range of 580 to 600 mm. The retract end is fixed, and this mechanism sets the end position rather than locking the load.
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