Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-75
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-75 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 400mm 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
- Stroke400 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- 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 JSIJ50X400-75
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder brings compact sizing to long-stroke tasks. Its extruded hard-anodized aluminium barrel omits tie rods entirely, making the overall body shorter than a same-bore ISO 15552 unit. The G1/4 port keeps air flow balanced for its size class.
The external stop screw lets you trim the extend stroke on-site across a 75 mm window, dropping the usable travel from the 400 mm maximum down to 325 mm without swapping the cylinder. This on-site end-position tuning translates to a safe working load of about 589 N, or roughly 50 kg lifted vertically with a 2:1 margin. Note this plain SKU lacks a magnet and cannot take a CMSE/DMSE sensor.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-75 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 400 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 JSIJ50X400-75
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×400 | 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 JSIJ50X400-75 Is Used
Sorter Diverter Tuning
Fine-tune the pusher extend position on-site by up to 75 mm to match varying package sizes without machining new mount holes.
Press Stroke Setup
Dial in the exact 325 to 400 mm downward travel for a light forming press, relying on the 982 N thrust at 0.5 MPa.
Pallet Stop Adjustment
Shorten the extend stop on the fly to handle different pallet depths while maintaining a compact JIS profile envelope.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-75 the Right Cylinder?
When sizing, the adjacent 40 mm bore yields 628 N push at 0.5 MPa, while the 63 mm bore steps up to 1559 N; choose the 50 mm bore when your load sits near that 589 N safe working threshold. The 75 mm adjustable window is ideal for sharing one spare across multiple stroke variants or fine-tuning the end position after a mechanical change. JSIJ mounting options include FA, LB, TC, TCM1, and TCM2. Because the 400 mm stroke creates leverage, always support the rod with an external guide to prevent side-load bending.
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 JSIJ50X400-75 FAQ
This 50 mm bore cylinder pushes 982 N and pulls 825 N at 0.5 MPa. At 0.7 MPa it pushes 1374 N and pulls 1154 N. The theoretical maximum force is 200 kgf at 1.0 MPa. It uses a G1/4 air port and features a 20 mm rod with an M18x1.5 thread.
The nominal 400 mm extend stroke is the maximum travel. An external stop screw lets you shorten the extend stroke on-site by up to 75 mm, giving a usable range of 325 to 400 mm. The retract end remains fixed. This stop only sets the end position; it does not lock the load, so use a pilot-operated check valve for holding.
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