Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X250-20S
2、Features specially-shaped bidirectional sealing structure with integrated oil reservoir for compact piston sealing design;
3、JSI series adopts tie-rod-free construction with H-shaped aluminum tube for enhanced corrosion resistance;
4、Compact length compared to ISO15552 standard cylinders of equivalent bore size;
5、Precision-engineered cushioning adjustment ensures smooth stroke termination;
6、Comprehensive selection of cylinder specifications and mounting accessories available for customized solutions.
Category: Standard Cylinders , Brand: AIRTAC , Series: JSIJ32~50
AirTAC JSIJ40X250-20S Adjustable Cylinder Specifications
- Series: JSIJ32~50 (Mid-range adjustable stroke)
- Model Code Breakdown:
- JSIJ: Basic series code
- 40: Bore size (Φ40mm)
- X: Cushion type (Adjustable pneumatic cushion)
- 250: Stroke length (250mm)
- 20S: Mounting style (Square flange with front thread)
- Bore diameter: 40mm ±0.1mm
- Stroke range: 25-500mm (this model 250mm ±0.5mm)
- Operating pressure: 0.1-0.9 MPa
- Ambient temperature: -20℃ to 80℃
- Cushion adjustment range: 5-20mm (both ends)
- Port size: G1/4 (ISO228/1 standard)
- Piston speed: 50-750 mm/s (optimal 200-400 mm/s)
- Rod thread: M16×1.5 (male thread at front end)
- Weight: 2.45kg ±3% (excluding accessories)
- Dimensions:
- Length: 298mm (retracted) / 548mm (extended)
- Body diameter: Φ50mm
- Mounting flange: 63×63mm
- Rod end protrusion: 25mm (standard)
- Seal material: HNBR (Hydrogenated Nitrile) with wear-resistant ring
- Lubrication: Pre-lubricated (Molykote 33M)
High-precision adjustable stroke cylinder featuring dual pneumatic cushions with 270° rotary adjustment screws. The anodized aluminum body with chrome-plated piston rod provides corrosion resistance in humid environments. Includes built-in magnet for position sensing compatibility. Designed for applications requiring precise end-position control and smooth deceleration.
- Precision press-fit operations in electronics assembly
- Variable height positioning in packaging machinery
- Clamping force adjustment systems
- Automated material handling with varying object sizes
- Textile machinery tension control
Installation note:
Maintain 0.5-1mm clearance between cushion screws and end caps during adjustment.
Use locknuts (included) after final position setting. Lubricate every 5 million cycles
with ISO VG32 hydraulic oil. Avoid side load exceeding 15N·m.
| Property | Property Value |
|---|---|
| sku | JSIJ40X250-20S |
| Adjustable Stroke | <20mm> |
| 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 | S-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.