Airtac SEJ Adjustable Cylinder SEJ50X70-20S
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 SEJ50X70-20S Specifications
- Model: SEJ50X70-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50mm
- Stroke: 70mm (adjustable)
- Operating pressure: 0.05-1.0 MPa
- Piston speed: 50-800 mm/s
- Cushioning: Adjustable elastic cushion (both ends)
- Port size: M5x0.8 (standard) / NPT1/8 optional
- Ambient temperature: -10℃ to 80℃
- Rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy (anodized)
- Seal type: NBR rubber seals
- Protection rating: IP54 (standard)
- Weight: 2.45 kg (without accessories)
- Dimensions:
- Extended length: 215mm
- Retracted length: 145mm
- Body diameter: Ø56mm
- Mounting base: 90mm x 50mm
Precision-adjustable industrial cylinder featuring micrometer-style stroke adjustment (±2mm fine-tuning capability) with locking mechanism. The wear-resistant design incorporates dual scraper seals for dust prevention and an anti-rotation guide rod. Includes magnetic piston for position sensing compatibility.
- Precision press-fit operations in automotive assembly
- Variable height positioning in packaging machinery
- Tooling fixture adjustment systems
- Semiconductor handling equipment
- Printing press roller gap control
Installation note:
For optimal performance, maintain 0.3-0.5mm alignment tolerance during mounting.
Requires regular lubrication (ISO VG32 hydraulic oil recommended) every 3,000km of cumulative stroke travel.
| Property | Property Value |
|---|---|
| sku | SEJ50X70-20S |
| 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 | 70mm |
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.