Airtac SEJ Adjustable Cylinder SEJ50X25-20
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 SEJ Adjustable Cylinder SEJ50X25-20 Technical Specifications
- Model: SEJ50X25-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Max stroke: 25 mm
- Adjustment range: 0-20 mm (mechanical stroke adjustment)
- Mounting type: MF1 (front flange mounting)
- Operating pressure: 0.1-0.9 MPa
- Cushioning type: Rubber buffer + adjustable stopper
- Operating temperature: -20℃ to 80℃
- Port size: Rc1/4 (G1/4 optional)
- Material: Aluminum alloy barrel, CRMo steel piston rod
- Seal material: NBR (nitrile rubber)
- Weight: 1.85 kg ±2%
- Dimensions: 150mm(L) × 70mm(W) × 70mm(H) (excluding rod extension)
- Rod end: External thread M12×1.25
- Protection rating: IP54 (standard)
Precision-adjustable compact cylinder featuring a unique mechanical stroke adjustment mechanism with positive locking. The chrome-plated piston rod and anodized barrel provide corrosion resistance in humid environments. Includes dual-position magnetic sensor slots for position feedback integration.
- Precision workpiece clamping in CNC machining centers
- Variable height positioning in automated assembly lines
- Pressure adjustment mechanisms in plastic molding machines
- Tooling fixture adjustments for automotive welding robots
- Packaging machine ejection force control systems
Installation note:
Lubricate piston rod weekly with ISO VG32 hydraulic oil. Maintain 0.5-1mm clearance between stopper and cylinder during adjustment. Maximum side load capacity: 35N at full extension.
- Mounting brackets: MA50F series
- Sensors: D-A93 series magnetic switches
- Couplers: M12X1.25 rod end adapters
| Property | Property Value |
|---|---|
| sku | SEJ50X25-20 |
| 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 | <50mm> |
| Stroke | <25 mm> |
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.