2. Features profiled bidirectional sealing structure for piston with compact dimensions and integrated oil reservoir;
3. JSI series adopts aluminum tube with internal cross rib reinforcement (rodless design), offering enhanced corrosion resistance;
4. Compact length compared to ISO15552 standard cylinders of equivalent bore size;
5. Smooth cushioning adjustment mechanism for stable operation;
6. Available in multiple configurations with comprehensive cylinder mounting accessories.
Category: Standard Cylinders | Brand: AIRTAC | Series: JSIJ100~125
AirTAC JSIJ100~125 Adjustable Stroke Cylinder (JSIJ125X250-40S) Specifications
- Series: JSIJ Compact Adjustable Stroke Series
- Bore size: Φ125mm (5")
- Stroke: 250mm (standard) with adjustable range ±5mm
- Max. stroke adjustment: ±3° rotation ≈ ±1.5mm stroke variation
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Rubber buffer + adjustable air cushion
- Mounting type: Basic (Standard flange)
- Port size: G3/8 (NPT1/2 optional)
- Operating temperature: -20℃ to 80℃
- Piston material: Die-cast aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr equivalent thickness ≥5μm)
- Seal type: NBR+PU combination seals
- Weight: 5.8kg (dry, without accessories)
- Dimensions:
- Body length: 365mm (extended)
- Width: 148mm (flange edge to edge)
- Height: 135mm (including mounting base)
- Rod end thread: M20×1.5
- ISO standard: Compliant with ISO 6432 (mounting dimensions)
- Protection rating: IP54 (standard seals)
Heavy-duty adjustable stroke cylinder featuring precision micro-stroke adjustment mechanism (±1.5mm) via rotating end cap. The double piston design ensures stable positioning accuracy (±0.2mm repeatability) under variable loads. Includes anti-rotation guide for axial alignment stability. Requires ISO VG32 hydraulic oil mist lubrication (0.3-0.6cc/min recommended).
- Press machine die height adjustment systems
- Automated welding positioners with variable workpiece sizes
- Packaging line product thickness compensation mechanisms
- Glass tempering furnace door pressure control
- Plastic injection molding ejector stroke fine-tuning
| Property | Property Value |
|---|---|
| sku | JSIJ125X250-40S |
| Adjustable Stroke | <40mm> |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Cushion Stroke | 33mm |
| Bore Diameter | 125mm |
| Stroke | <250MM> → <250mm> |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.







