Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X200-75S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X200-75S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 200mm 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
- Stroke200 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 JSIJ40X200-75S
Delivering 628 N of push force at 0.5 MPa, this 40 mm bore actuator 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 profile barrel keeps the overall body shorter than a same-bore ISO 15552 unit, saving valuable machine space. It connects via a G1/4 port and carries an -S suffix magnet for side-groove CMSE/DMSE sensors.
The -75 code defines an external adjuster that lets you shorten the extend stroke on-site by up to 75 mm, dropping the usable forward travel from the 200 mm maximum down to 125 mm without swapping the cylinder. This on-site tuning is perfect for dialing in end positions, while the retract end remains fixed. Note that the adjustable stop only sets position; it does not hold the load on air loss, so add an external rod lock or pilot-operated check valve if you need drift prevention.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X200-75S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X200-75S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 200 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 JSIJ40X200-75S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×200 | 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 JSIJ40X200-75S Is Used
Conveyor Diverter Tuning
Dial in the exact pusher extension up to 75 mm on-site to deflect packages of varying widths without re-mounting the actuator.
Clamp Stroke Adjustment
Shorten the forward stroke from 200 mm to securely clamp different part geometries on a single machining fixture.
Compact Sorting Gate
Leverage the shorter JIS profile and position-sensing magnet to fit tight sorting lanes while adjusting the gate reach precisely.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X200-75S the Right Cylinder?
When sizing this 40 mm bore, stepping down to a 32 mm bore drops the 0.5 MPa push force to 402 N, while stepping up to a 50 mm bore raises it to 982 N. The adjustable stroke shines when you need to fine-tune the extend end position on-site or want a single shared spare across slightly different stroke variants. You can mount it using FA, LB, TC, TCM1, or TCM2 brackets. The built-in -S magnet supports CMSE/DMSE switches for position sensing. Because the 200 mm stroke exceeds 300 mm only at longer lengths, side-load guidance is recommended here if your application involves any lateral force.
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 JSIJ40X200-75S 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. The air port size is G1/4.
The nominal 200 mm stroke is the maximum extend length. The external -75 adjuster lets you shorten the forward stroke on-site by up to 75 mm, giving a usable extend range of 125-200 mm. The retract end is fixed, and the adjuster sets end position rather than locking the load.
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