Airtac SEJ Adjustable Cylinder SEJ50X125-40S
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 SEJ50X125-40S Adjustable Cylinder Specifications
- Model: SEJ50X125-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50mm (ISO 6432 standard)
- Stroke: 125mm (nominal), adjustable range: ±5mm
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Elastic buffer + external adjustable stopper
- Port size: G1/8 (M5×0.8 optional)
- Mounting style: Foot-mounted with 4×M6x20 mounting holes
- Temperature range: -10℃ to 80℃
- Seal material: NBR (nitrile butadiene rubber)
- Rod material: Chrome-plated carbon steel
- Weight: 2.8kg (without accessories)
- Dimensions: 300mm(L) × 70mm(W) × 70mm(H) (full extension)
- Repeat position accuracy: ±0.5mm
- Max piston speed: 500mm/s
- Lubrication: Pre-lubricated (Grease-free operation possible)
Precision-engineered adjustable stroke cylinder featuring dual-position mechanical stoppers with ±5mm fine-tuning capability. The anodized aluminum barrel and chromium-plated piston rod ensure corrosion resistance in humid environments. Integrated shock absorption system combines internal elastic buffers with external adjustable dampers for high-cycle applications.
- Precision workpiece positioning in CNC automation
- Variable height clamping systems
- Packaging machine stroke adjustment mechanisms
- Automotive assembly line tooling positioners
- Printing press roller engagement control
Installation note:
Adjust stoppers before pressurization. Use locknuts (included) to secure setting after calibration.
Maintain 0.5mm minimum clearance between stopper and cylinder head during adjustment.
- Re-lubrication interval: 2,000km stroke distance or 6 months
- Stopper thread inspection cycle: 10,000 operations
- Rod wiper replacement: Annually in normal conditions
| Property | Property Value |
|---|---|
| sku | SEJ50X125-40S |
| Adjustable Stroke | <40mm> |
| 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.