2. Features profiled bidirectional sealing structure with compact dimensions and integrated oil reservoir for piston lubrication;
3. JSI Series utilizes cross-braced aluminum alloy tubing with tie-rod-free design, offering superior corrosion resistance;
4. Reduced overall length compared to ISO15552 standard cylinders of equivalent bore size;
5. Precision-adjustable pneumatic cushioning mechanism ensures smooth deceleration;
6. Comprehensive selection of bore sizes and mounting accessories available for customized system integration.
Category: Standard Cylinders, Brand: AirTAC, Series: JSI
AirTAC JSI Standard Cylinder JSI40X250 Technical Specifications
- Model: JSI40X250
- Type: ISO 15552 compliant single-acting/double-acting cylinder
- Bore size: 40 mm
- Stroke: 250 mm (±0.5 mm tolerance)
- Operating pressure: 0.05–0.9 MPa (5–9 bar)
- Port size: 1/4" NPT (M5 optional)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (multiple options available: FB, MP4, etc.)
- Piston rod thread: M12×1.25 (standard)
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to +80℃
- Protection rating: IP40 (dust protected)
- Max. piston speed: 500 mm/s (with cushion)
- Lubrication: Pre-lubricated (non-re-lubrication design)
- Repeat positioning accuracy: ±0.5 mm
- Weight: 2.8 kg (with magnetic piston)
- Dimensions:
- Total length: 350 mm (at fully retracted position)
- Body diameter: 40 mm (±0.1 mm)
- Mounting base width: 48 mm
- Rod end bracket height: 80 mm
High-performance industrial cylinder featuring hard-anodized aluminum construction with chrome-plated steel piston rod. Designed for medium-duty applications requiring precise linear motion and durability. Integrated magnetic piston enables position sensing (sensor slots on cylinder body).
- Press machine ejection systems
- Material handling conveyor gates
- Automotive assembly clamping devices
- Packaging line positioning mechanisms
- Plastic injection molding machine actuators
| Property | Property Value |
|---|---|
| sku | JSI40X250 |
| 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 | PT1/4 |
| Magnet | Non-magnetic |
| Cushion Stroke | 20.5mm |
| Bore Diameter | <40mm> |
| 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.









