Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X700-40
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X700-40 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm 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.
- BoreØ40 mm
- Stroke700 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 JSIJ40X700-40
Generating 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder delivers a 700 mm extend stroke that you can fine-tune on site. An external stop screw lets you shorten the forward travel by up to 40 mm, giving a usable range of 660-700 mm without swapping the actuator. The retract end remains fixed. Built with an extruded hard-anodized aluminum barrel, the body is noticeably shorter and more compact than a same-bore ISO 15552 cylinder. It features a G1/4 port, a 16 mm rod, and adjustable air cushions at both ends.
In practical terms, the cylinder handles a safe working load of about 377 N, which translates to lifting roughly 32 kg vertically with a 2:1 margin. Because this is a non-magnet SKU, it cannot accept CMSE or DMSE position sensors. Note that the adjustable stop sets the end position but does not lock the load; if air pressure drops, the piston will drift. For holding a load securely, fit an external rod lock or pilot-operated check valve.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X700-40 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X700-40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 700 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 JSIJ40X700-40
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | 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 JSIJ40X700-40 Is Used
Conveyor Diverter Tuning
Diverter gates requiring exact product contact can use the 40 mm adjuster to dial in the extend position on site, ensuring gentle routing without over-travel.
Vertical Package Lift
Lifting roughly 32 kg of boxed goods vertically is well within the safe working load, while the 660-700 mm travel window accommodates varying platform heights.
Long-Reach Push Station
Pushing lightweight components across a 700 mm gap benefits from the compact JIS profile, saving machine footprint compared to standard ISO 15552 actuators.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X700-40 the Right Cylinder?
This 40 mm bore sits neatly between the lighter 32 mm and the stronger 50 mm options. At 0.5 MPa it pushes 628 N and pulls 528 N, whereas the 50 mm bore offers 982 N of push for heavier cycles. The 40 mm adjustable window is ideal when you need to share one spare cylinder across several stroke variants or fine-tune the end position during machine commissioning. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Since this is a 700 mm stroke, you must support the load with external guides to prevent rod bending and side loads. Without a -S suffix, this unit cannot host magnetic sensors.
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 JSIJ40X700-40 FAQ
This 40 mm bore cylinder uses a G1/4 port. It pushes 628 N and pulls 528 N at 0.5 MPa. At 0.7 MPa, push is 879 N and pull is 739 N. The theoretical maximum force is 128 kgf at 1.0 MPa.
The nominal 700 mm stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 40 mm on site, giving a usable range of 660-700 mm. The retract end is fixed, and the stop screw only sets the end position; it does not lock the load.
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