Airtac SEJ Adjustable Cylinder SEJ50X30-20
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 SEJ50X30-20 Adjustable Cylinder Specifications
- Model: SEJ50X30-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Max stroke: 30 mm (with ±10 mm external adjustment range)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable rubber buffer + external stopper
- Mounting style: Basic type (optional MF2 front flange/RB1 foot mounting)
- Port size: M5x0.8 (G1/8 adaptor available)
- Ambient temperature: -10℃ to 80℃
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal type: NBR + PU combination
- Weight: 1.7 kg (including standard accessories)
- Dimensions: 156mm(L) × 50mm(W) × 50mm(H) (retracted position)
- Stroke accuracy: ±0.5 mm (with locking mechanism engaged)
- Repeat positioning precision: ±0.2 mm
Precision-adjustable cylinder featuring dual-position locking via external hex screws, designed for applications requiring fine stroke calibration. The dual-cushion system minimizes end-impact vibration, while the anti-rotation rod ensures stable load orientation. Includes built-in magnet for position sensing compatibility.
- CNC machine tool clamping position fine-tuning
- Conveyor gate positioning systems
- Glass cutting equipment pressure adjustment
- Automated welding fixture height calibration
- Packaging machine plunger stroke control
Installation note:
Apply thread-locking compound to adjustment screws after calibration.
Maintain 0.5-1mm clearance between stopper and cylinder body during adjustment.
Lubricate with ISO VG32 hydraulic oil for initial operation.
| Property | Property Value |
|---|---|
| sku | SEJ50X30-20 |
| 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 | 30mm |
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.