Airtac SEJ Adjustable Cylinder SEJ50BX125-30S
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 SEJ50BX125-30S Adjustable Cylinder Specifications
- Model: SEJ50BX125-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50 mm
- Stroke: 125 mm
- Adjustment range: 0-30 mm (via external stopper)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -10℃ to 70℃
- Port size: 1/4" NPT (G1/4 optional)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting type: Basic series (axial foot & front flange optional)
- Material:
- Cylinder tube: Aluminum alloy with hard anodization
- Piston rod: Chrome-plated steel (Cr-Mo)
- Seals: NBR (standard), optional FKM for high temp
- Weight: 3.8 kg ±2% (without accessories)
- Dimensions:
- Total length (extended): 300 mm
- Body diameter: 50 mm
- Rod end thread: M16×1.5
- Mounting center distance: 30 mm (foot) / 75 mm (flange)
High-precision adjustable stroke cylinder featuring dual-sided position locking and micrometer-style stroke adjustment. The hardened piston rod and multi-lip seals ensure 5000km+ service life under standard conditions. Includes built-in magnetic sensor groove (M5×0.8) for position feedback integration.
- Precision clamping fixtures in CNC machining centers
- Variable stroke material feeding systems
- Packaging machine height adjustment mechanisms
- Automated test equipment with position calibration
- Semiconductor handling robots
Installation guidelines:
- Align cylinder axis within ±0.2° to prevent side load
- Use locknuts (included) for stopper fixation under vibration
- Lubricate with ISO VG32 turbine oil if air line lubricator absent
- Allow 5mm clearance around adjustment screws for maintenance
| Property | Property Value |
|---|---|
| sku | SEJ50BX125-30S |
| 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.