Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10
Generating 982 N of push at 0.5 MPa, this 50 mm bore JIS profile cylinder brings compact power to long-reach tasks. The hard-anodized aluminum extruded body is noticeably shorter than an equivalent ISO 15552 unit, saving valuable machine space. A G1/4 port supplies air, driving the 20 mm rod at speeds of 30-800 mm/s.
The external stop screw lets you trim the extend stroke by up to 10 mm directly on-site, giving a usable range of 890-900 mm without swapping the cylinder. In practice it handles about 589 N of real work, roughly 50 kg lifted vertically. Note this non-magnetized SKU cannot take a sensor; add the -S variant for CMSE/DMSE switches.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 900 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 JSIJ50X900-10
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×900 | 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 JSIJ50X900-10 Is Used
Long-Transfer Pusher
Pushes pallets down a 900 mm lane, using the 10 mm adjuster to fine-tune the exact discharge position against a fixed stop.
Vertical Material Lift
Lifts roughly 50 kg of stock to a high elevation, relying on external linear guides to manage the long 900 mm rod extension.
Span Alignment Arm
Extends across a wide machining bed to locate parts, trimming the final 10 mm on-site to match varying fixture depths.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X900-10 the Right Cylinder?
For sizing, the 50 mm bore sits between the 40 mm (628 N push @0.5 MPa) and 63 mm (1559 N push @0.5 MPa) models. Choose this 900 mm stroke when you need long travel with fine end-position tuning; the 10 mm adjust window lets you synchronize multiple axes or dial in a precise stop without machining. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this is a 900 mm stroke, always support the load with an external guide to prevent rod bending and side-load damage. Remember a plain cylinder drifts on air loss; use an external rod lock or pilot-operated check valve to hold a suspended load.
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 JSIJ50X900-10 FAQ
At 0.5 MPa it pushes 982 N and pulls 825 N. At 0.7 MPa it pushes 1374 N and pulls 1154 N. The theoretical maximum force is 200 kgf at 1.0 MPa. This 50 mm bore unit uses a G1/4 air port and features a 20 mm piston rod with an M18x1.5 thread.
The nominal 900 mm stroke is the maximum travel. The external adjuster lets you shorten the extend stroke by up to 10 mm on-site, yielding a usable extend range of 890-900 mm. The retract end remains fixed. This mechanism sets the end position and decelerates the load via the 20.5 mm adjustable air cushion, but it does not lock the load on air loss.
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