Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X100-50
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X100-50 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 100mm 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
- Stroke100 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 JSIJ40X100-50
Delivering 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder brings on-site extend-stroke flexibility to mid-range pneumatic setups. The hard-anodized aluminum barrel is noticeably shorter and more compact than a same-bore ISO 15552 unit. A G1/4 port feeds the double-acting single rod, which drives a 16 mm piston with M14x1.5 rod-end threading and 20.5 mm adjustable air cushions at each end.
The external adjuster lets you shorten the extend stroke by up to 50 mm on-site, dropping the usable forward travel from the 100 mm maximum down to 50 mm without swapping the cylinder. This on-site tuning handles about 377 N of real work safely, roughly 32 kg lifted vertically. Note this SKU lacks a magnet and cannot take CMSE/DMSE sensors; add the -S variant for position detection.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X100-50 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X100-50 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 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 JSIJ40X100-50
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×100 | 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 JSIJ40X100-50 Is Used
Clamp Stroke Tuning
Dial in the exact clamping reach on machining fixtures by shortening the 100 mm extend stroke up to 50 mm, accommodating varying part thicknesses without remounting hardware.
Transfer Stopper Adjust
Set the precise pusher distance on a conveyor line, retracting the external stop screw to handle different package sizes on the fly while maintaining consistent end-of-stroke damping.
Compact Sorting Diverter
Fit a space-saving JIS-profile diverter in tight conveyor gaps, adjusting the extend window on-site to deflect items of varying widths without hitting adjacent frames.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X100-50 the Right Cylinder?
When sizing, the 32 mm bore offers 402 N push at 0.5 MPa for lighter duties, while the 50 mm bore steps up to 982 N if this 40 mm bore maxes out. The 50 mm adjuster window is ideal for sharing a single spare across multiple stroke variants or fine-tuning the end position after a fixture change. JSIJ mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because this is a non-magnetized SKU, it cannot accept position sensors. For any stroke at or above 300 mm, always guide the load to prevent side-load damage to the rod seals.
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 JSIJ40X100-50 FAQ
At 0.5 MPa it pushes 628 N and pulls 528 N. At 0.7 MPa it pushes 879 N and pulls 739 N. The theoretical maximum force is 128 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a 1.5 MPa proof pressure. It operates between -20 and +70 C, runs at 30-800 mm/s, and uses a G1/4 port.
The nominal 100 mm stroke is the maximum forward travel. An external stop screw lets you shorten the extend stroke on-site by up to 50 mm, yielding a usable extend range of 50 to 100 mm. The retract end remains fixed. This mechanism only sets the end position; it does not lock the load, so use an external rod lock or pilot-operated check valve if you need to hold a load against air loss.
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