Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore pneumatic unit brings on-site adaptability to long-stroke tasks. The hard-anodized aluminum profile barrel keeps the body more compact than a same-bore ISO 15552 cylinder, and the G1/4 port matches the standard bore layout.
An external stop screw lets you trim the extend stroke by up to 75 mm, giving a usable range of 725-800 mm without swapping the actuator. In practice it handles about 589 N of real work, roughly 50 kg lifted vertically with a 2:1 margin. Note that this SKU lacks a magnet, so it cannot take CMSE/DMSE sensors, and the retract end remains fixed.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 800 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 JSIJ50X800-75
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×800 | 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 JSIJ50X800-75 Is Used
Long-Transfer Diverter
Pushes packages across a wide conveyor belt, using the 75 mm adjuster to dial in the exact reach for different box sizes without changing the cylinder.
High-Bay Pusher Arm
Acts as a long-reach arm to eject pallets from a storage lane, trimming the extend stroke on-site to clear racking uprights perfectly.
Material Alignment Gate
Sweeps long workpieces into alignment on a machining line, relying on the adjustable stop to set the final position for various part lengths.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-75 the Right Cylinder?
For sizing, the neighbouring 40 mm bore yields 628 N push at 0.5 MPa while the 63 mm bore steps up to 1559 N, letting you tune the force band precisely. The -75 mm adjustable window is ideal for sharing a spare across stroke variants or fine-tuning the end position on-site. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this is an 800 mm stroke, always use external guides to prevent rod bending under side loads. Remember this non-magnet SKU cannot support sensors; choose an -S variant for CMSE/DMSE switches.
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 JSIJ50X800-75 FAQ
At 0.5 MPa it provides 982 N push and 825 N pull. At 0.7 MPa it delivers 1374 N push and 1154 N pull. The theoretical maximum is 200 kgf at 1.0 MPa, and the air port is G1/4.
The nominal 800 mm extend stroke is the maximum. An external adjuster lets you shorten the extend end by up to 75 mm, yielding a 725-800 mm range, while the retract end stays fixed. This mechanism only sets the end position; it does not lock the load. For load holding on air loss, you need an external rod lock or pilot-operated check valve, as the air cushion only decelerates.
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