Airtac SEJ Adjustable Cylinder SEJ50BX250-10S
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 SEJ50BX250-10S Adjustable Cylinder Specifications
- Model: SEJ50BX250-10S
- Bore size: Ø50 mm
- Stroke: 250 mm
- Mounting type: Adjustable front flange (ISO 15552 standard)
- Operating pressure: 0.15–0.8 MPa
- Cushioning: Rubber buffer with adjustable end-position damping
- Temperature range: -20℃ to 80℃
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR (nitrile rubber)
- Port size: PT1/4 (G1/4 optional)
- Adjustable stroke range: 10–250 mm (±5mm fine-tuning)
- Weight: 3.8 kg (without accessories)
- Dimensions:
- Extended length: 450 mm
- Retracted length: 200 mm
- Body width: 68 mm
- Mounting height: 72 mm
- Rod end: External thread M20×1.5
- Max theoretical force: 1570N (at 0.6MPa)
- Speed range: 50–1000 mm/s
High-precision adjustable stroke cylinder featuring position-lock mechanism for stable intermediate stops. The dual-cushion design minimizes end-impact vibration, while the chrome-plated piston rod provides enhanced corrosion resistance. Includes magnetic piston for position sensing compatibility.
- Precision clamping fixtures in CNC machining centers
- Variable height adjustment in automated assembly lines
- Web tension control systems in printing machinery
- Position-controlled sorting gates in material handling
- Adjustable stops in plastic injection molding machines
Installation note:
Use locknut (included) to secure stroke adjustment. Lubricate with ISO VG32 hydraulic oil
during maintenance. Avoid lateral loads exceeding 30N. For vertical mounting,
install with rod facing downward to prevent seal wear.
- Mounting brackets: MA-50 series
- Sensors: D-A93 series magnetic switches
- Couplings: SCM-20 rod end bearings
| Property | Property Value |
|---|---|
| sku | SEJ50BX250-10S |
| Adjustable Stroke | <10mm> |
| 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 | <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.