Airtac SEJ Adjustable Cylinder SEJ50X125-30S
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 SEJ50X125-30S Adjustable Stroke Cylinder Specifications
- Model: SEJ50X125-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 125 mm (adjustable)
- Rod diameter: Ø20 mm
- Operating pressure: 0.1–0.8 MPa
- Port thread: 1/4" NPT (G1/8 optional)
- Cushion type: Rubber buffer + adjustable stopper
- Mounting style: 30S (Basic type with front/rear flange)
- Material: Aluminum alloy body, CR12MoV piston rod
- Seal material: NBR/PU hybrid seals
- Temperature range: -20℃ to 80℃
- Weight: 2.8 kg ±3%
- Dimensions:
- Extended length: 323 mm
- Retracted length: 198 mm
- Body width: 68 mm
- Mounting hole spacing: 50×50 mm
Precision-adjustable industrial cylinder featuring micrometer-style stroke adjustment (±5mm fine-tuning capability). Includes dual-position memory lock for rapid stroke changes. Rated for 5,000km service life under standard conditions. Requires ISO VG32 hydraulic oil lubrication for optimal performance.
- Variable height positioning in automated assembly lines
- Pressure-sensitive clamping systems
- Packaging machine product height compensation
- Plastic injection molding ejector systems
- Textile machinery tension control
Installation note:
Use M6×1.0 mounting screws (Grade 8.8 or higher). Allow minimum 15mm
front/rear clearance for stroke adjustment. Lubricate weekly with
AirTAC PAG-32 grease in high-cycle applications.
| Property | Property Value |
|---|---|
| sku | SEJ50X125-30S |
| Adjustable Stroke | 30mm |
| 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 | 125mm |
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.