Airtac SEJ Adjustable Cylinder SEJ40X125-50S
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 SEJ Series Adjustable Cylinder SEJ40X125-50S Technical Details
- Model Code: SEJ40X125-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm (±0.08mm tolerance)
- Stroke: 125mm (adjustable through 10mm increments)
- Operating pressure: 0.1-0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Seal material: NBR + Polyurethane composite
- Temperature range: -20℃ to 80℃
- Mounting styles: Basic/FA-FB/FC/MF/MB series compatible
- Sensor slot: ISO 6432 standard magnetic switch groove
- Port size: 1/4 NPT (G1/8 optional)
- Rod end: M16×1.5 external thread
- Weight: 1.85kg (excluding accessories)
- Dimensions: 258mm(L) × 52mm(W) × 52mm(H) (retracted position)
- Extended length: 383mm (full stroke)
- Piston rod diameter: 16mm (chromed steel)
- Repeat positioning accuracy: ±0.5mm
Precision-engineered adjustable stroke cylinder featuring dual external stroke adjustment screws with locknuts for millimeter-level positioning control. The anodized aluminum barrel incorporates wear-resistant guide bands and integrated shock absorbers that reduce end-impact noise by 15dB compared to standard models. Includes auto-lubrication wipers for contaminant prevention.
- Variable height work platforms in assembly lines
- Adjustable clamping fixtures for CNC machining
- Packaging machines requiring dynamic stroke adjustment
- Semiconductor handling robots with Z-axis compensation
- Automotive door panel press systems
Installation guidelines:
Maximum lateral load 35N. For vertical mounting, use MB-style brackets.
Lubricate adjustment screws with ISO VG32 hydraulic oil monthly.
Avoid full extension retention exceeding 72 hours to prevent seal deformation.
| Property | Property Value |
|---|---|
| sku | SEJ40X125-50S |
| Adjustable Stroke | <50mm> |
| 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 | 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.