Airtac SEJ Adjustable Cylinder SEJ40X350-30SG
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 SEJ40X350-30SG Adjustable Cylinder Specifications
- Model: SEJ40X350-30SG
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 350mm (adjustable via external stopper)
- Operating pressure: 0.1–0.8 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Basic type (MF1) with standard foot mounting
- Rod end thread: M20×1.5
- Operating temperature: -20℃ to 80℃
- Seal material: NBR (Nitrile Butadiene Rubber)
- Tube material: Anodized aluminum alloy
- Rod material: Chrome-plated steel
- Weight: 3.8kg ±2%
- Dimensions: 558mm(L) × 60mm(W) × 60mm(H)
- Port size: 1/4" NPT (G1/8 optional)
- Lubrication: Pre-lubricated (Oil-free operation possible)
- ISO standard: 6432
High-precision adjustable stroke cylinder featuring a unique dual-scale positioning system (1mm graduation) for micro-adjustments. The hardened stainless steel guide rod and double-sealed piston ensure ≤0.5mm repeat positioning accuracy. Integrated shock absorption reduces end-impact noise by 15dB compared to standard models.
- Precision press-fit operations in electronic assembly
- Variable height positioning in packaging machinery
- Automated welding equipment stroke control
- Plastic injection molding ejector systems
- Test equipment with variable force application
Installation note:
For optimal performance, maintain 0.3-0.5mm alignment tolerance during mounting.
Requires weekly lubrication (VG32 hydraulic oil recommended) in high-cycle applications (>500,000 cycles/month).
| Property | Property Value |
|---|---|
| sku | SEJ40X350-30SG |
| 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 | <40mm> |
| Stroke | 350mm |
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.