Airtac SEJ Adjustable Cylinder SEJ40X150-30S
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 SEJ40X150-30S Adjustable Cylinder Specifications
- Model: SEJ40X150-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 150mm (adjustable)
- Operating pressure: 0.05–0.9 MPa
- Cushioning: Adjustable elastic cushioning at both ends
- Mounting style: Standard MF1 (ISO 15552 base mounting)
- Port size: M5x0.8 (G1/8 optional)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR + PU combination
- Weight: 1.65kg (without accessories)
- Dimensions:
- Extended length: 304mm
- Retracted length: 154mm
- Body diameter: 52mm
- Rod end thread: M16x1.5
Industrial-grade adjustable stroke cylinder featuring dual-position stroke adjustment through external locking nuts (30S suffix indicates built-in magnetic sensor slot). Precision-machined guide bands ensure smooth operation under lateral loads. Includes wear-resistant scraper seal for contamination prevention.
- Packaging machine stopper positioning systems
- CNC fixture clamping with variable workpiece sizes
- Automated conveyor diverters requiring stroke adjustment
- Textile machinery tension control mechanisms
- Plastic injection molding ejector systems
Installation note:
For optimal performance, align cylinder axis within ±2° of load direction.
Lubricate with ISO VG32 hydraulic oil before initial use. Magnetic sensor
gap must be maintained at 1-3mm from cylinder axis.
Critical parameters:
Maximum side load capacity 35N, axial rotation tolerance ±2°.
Not suitable for vertical downward thrust applications without
external guide mechanisms.
| Property | Property Value |
|---|---|
| sku | SEJ40X150-30S |
| 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 | 150mm |
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.