Airtac SEJ Adjustable Cylinder SEJ125X50-40S
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 SEJ125X50-40S Adjustable Cylinder Specifications
- Model: SEJ125X50-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø125mm (±0.5mm tolerance)
- Stroke: 50mm (adjustable through external stopper)
- Operating pressure: 0.1–1.0 MPa
- Cushioning type: Adjustable rubber bumper (both ends)
- Mounting style: Basic front flange (ISO 15552 standard)
- Material: Aluminum alloy barrel with hard anodized finish
- Seal material: NBR (Nitrile) with wear-resistant ring
- Port size: G3/8" (BSPP thread)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated carbon steel
- Weight: 9.8kg (excluding accessories)
- Dimensions: 300mm(L) × 205mm(W) × 132mm(H)
- ISO compatibility: Compliant with ISO 15552 (previously ISO 6431)
High-precision industrial cylinder featuring external stroke adjustment mechanism with ±2mm positioning repeatability. The dual cushioning system minimizes end-impact noise (≤65dB at 0.5MPa). Corrosion-resistant design includes IP54-rated rod seal protection. Requires 5μm filtered air with ISO 8573-1:2010 Class 3.4.3 purity standards.
- Press machine stroke control systems
- Automotive welding fixture positioning
- Plastic injection molding ejectors
- Palletizing robot end-effectors
- CNC machine tool clamping mechanisms
Installation guidelines:
Mount using M12x1.75 grade 8.8 bolts with 45-50Nm torque.
Maintain 0.5mm minimum alignment tolerance between rod and load.
Lubricate with ISO VG32 hydraulic oil during maintenance.
| Property | Property Value |
|---|---|
| sku | SEJ125X50-40S |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <50mm> |
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.