Airtac SEJ Adjustable Cylinder SEJ40X50-30
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 SEJ40X50-30 Adjustable Cylinder Specifications
- Model: SEJ40X50-30
- Type: Double-acting adjustable stroke cylinder
- Bore diameter: 40mm (±0.2mm ISO tolerance)
- Stroke: 50mm (standard) / 30mm adjustable range
- Operating pressure: 0.1–0.8 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting types: MF1 front flange, MB1 rear flange, or MP2 side lug
- Port size: G1/8 (BSPP thread)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated carbon steel (C45E)
- Tube material: Anodized aluminum alloy (Al6063-T5)
- Seal material: NBR + PU hybrid seals
- Weight: 1.65kg (excluding accessories)
- Dimensions: 220mm(L) × 50mm(W) × 50mm(H) (fully extended)
- Repeat positioning accuracy: ±0.5mm
- Max thrust: 490N @ 0.6MPa
Precision-engineered adjustable stroke cylinder featuring dual-position locking mechanism with graduated scale for visual stroke confirmation. The enhanced rod bearing design reduces side load wear, while the anti-rotation guide prevents piston spin during micro-adjustments. Requires ISO 8573-1:2010 Class 3 lubricated air.
- CNC fixture positioning systems
- Semiconductor wafer handling robots
- Pharmaceutical tablet press height adjustment
- Automotive assembly line clamping devices
- Printing press roller gap calibration
Installation protocol:
Mount on vibration-damped surfaces using M6x12mm SHC screws (8.8 grade min).
Align within 0.2mm perpendicular tolerance. Lubricate through air port with
ISO VG32 turbine oil during initial commissioning.
| Property | Property Value |
|---|---|
| sku | SEJ40X50-30 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| 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.