Airtac SEJ Adjustable Cylinder SEJ40X200-20
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ40X200-20 Adjustable Stroke Cylinder Specifications
- Model: SEJ40X200-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 200mm (adjustable)
- Adjustment range: ±5mm (mechanical stop adjustment)
- Operating pressure: 0.1–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Rubber buffer (both ends)
- Mounting style: Basic type (axial foot mounting optional)
- Port size: Rc1/4 (G1/4 optional)
- Rod material: Chrome-plated steel
- Tube material: Aluminum alloy with hard anodization
- Seal material: NBR (standard)/PU (optional)
- Weight: 2.8kg (excluding accessories)
- Dimensions:
- Extended length: 374mm ± adjustment range
- Body diameter: 50mm
- Mounting base: 62mm × 30mm
Precision-adjustable pneumatic cylinder featuring manual stroke adjustment via mechanical stops. The dual scale markings (metric/imperial) enable micron-level positioning accuracy (±0.2mm repeatability). Integrated magnetic piston allows for position sensing compatibility. Anti-rotation design maintains alignment during stroke adjustment operations.
- Variable height positioning in automated packaging lines
- Precision press-fit operations in electronics assembly
- Adjustable clamping mechanisms in CNC jigs
- Material feeding systems requiring stroke fine-tuning
- Textile machinery tension control systems
- Use locknuts (M6) to secure adjustment bolts after positioning
- Lubricate with ISO VG32 hydraulic oil for initial operation
- Max side load: 35N at full extension
- For vertical mounting, install retaining collar (accessory ASJ40)
Maintenance tip:
Clean adjustment threads monthly using pneumatic tool cleaner. Avoid over-tightening adjustment screws beyond marked safety lines. Replace cushion seals every 500,000 cycles in high-speed applications.
| Property | Property Value |
|---|---|
| sku | SEJ40X200-20 |
| Adjustable Stroke | <20mm> |
| Seal Material | Polyurethane |
| 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 |
| Bore Diameter | <40mm> |
| Stroke | <200mm> |
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.