Airtac SEJ Adjustable Cylinder SEJ50X210-20S
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 SEJ Adjustable Cylinder SEJ50X210-20S Technical Specifications
- Model: SEJ50X210-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 210 mm (adjustable)
- Operating pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Front/rear threaded mounting (ISO 6149)
- Port size: G1/8 (BSPP)
- Weight: 2.45 kg (excluding accessories)
- Dimensions:
- Extended length: 400±1.5 mm
- Body diameter: Ø56 mm
- Rod diameter: Ø16 mm
- Mounting hole spacing: 33 mm
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel
- Seals: NBR/PU
- Protection rating: IP54 (standard)
Precision-engineered adjustable stroke cylinder featuring dual-sided position sensors (slot type) for accurate position feedback. The 20S variant includes built-in auto-stop adjustment mechanism with ±5% stroke tolerance. Optimized for applications requiring mid-stroke positioning without mechanical stops, with corrosion-resistant construction for humid environments.
- Variable position clamping in CNC fixtures
- Adjustable pressing mechanisms in assembly lines
- Material handling systems with varying object heights
- Packaging machine pusher arms
- Textile machinery tension control
Installation note:
Always lubricate with ISO VG32 hydraulic oil before operation.
For vertical mounting, install locking nuts on both ends to prevent stroke creep.
Maximum side load: 35N at mid-stroke.
| Property | Property Value |
|---|---|
| sku | SEJ50X210-20S |
| 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 | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 210mm |
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.