Airtac SEJ Adjustable Cylinder SEJ40X210-75S
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 SEJ40X210-75S Adjustable Stroke Cylinder Specifications
- Model: SEJ40X210-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke length: Adjustable up to 210mm
- Rod diameter: 16mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable elastic cushion (both ends)
- Mounting style: Basic type (axial mounting holes)
- Port size: M5x0.8 (standard) / optional NPT1/8
- Seal material: Nitrile rubber (NBR)
- Temperature range: -20℃ to 80℃
- Weight: 2.5kg ±3% (without accessories)
- Dimensions: 318mm(L) × 48mm(W) × 48mm(H) (max extended length)
- Rod thread: M10x1.25 (external)
- Repeat positioning accuracy: ±0.5mm
- Max theoretical thrust: 1134N @0.7MPa
Industrial-grade adjustable stroke cylinder featuring precision-ground rod and anodized aluminum barrel. The SEJ series incorporates a unique mechanical stopper system with 75° rotation adjustment mechanism (indicated by "75S" suffix) for fine stroke control. Includes wear-resistant guide bushings and IP65-rated dust protection.
- Variable position clamping in CNC fixture systems
- Packaging line product height adjustment mechanisms
- Automated welding equipment position calibration
- Textile machinery tension control assemblies
- 3D printer bed leveling systems
Operational note:
Always engage the locking collar after stroke adjustment. Lubricate with ISO VG32 hydraulic oil
monthly. Requires 5μm filtration for optimal seal life. Maximum side load capacity: 35N.
- Loosen hex locking collar (10mm wrench size)
- Rotate cylinder head (75° max rotation angle)
- Check scale markings (0.5mm increments)
- Re-tighten collar to 3.5N·m torque
| Property | Property Value |
|---|---|
| sku | SEJ40X210-75S |
| Adjustable Stroke | 75mm |
| 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 | 210mm |
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.