Airtac SEJ Adjustable Cylinder SEJ40X300-50S
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 Adjustable Stroke Cylinder SEJ40X300-50S Specifications
- Model: SEJ40X300-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 300mm (max)
- Adjustment range: ±25mm via mechanical stopper
- Operating pressure: 0.05–1.0 MPa
- Port size: Rc1/4 (NPT1/4 optional)
- Cushion type: Adjustable buffer at both ends
- Mounting style: Standard AF/MA series mounts
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR wear-resistant seals
- Temperature range: -10℃ to 80℃
- Weight: 3.8kg (excluding accessories)
- Dimensions:
- Extended length: 628mm ± adjustment range
- Retracted length: 328mm ± adjustment range
- Body width: 58mm
- Mounting height: 40mm
Precision-engineered adjustable stroke cylinder featuring micrometer-style mechanical stops for ±5% stroke fine-tuning. The SEJ series combines heavy-duty construction with 0.1mm repeat positioning accuracy, utilizing dual scraper seals for contamination resistance. Includes anti-rotation guide mechanism for stable linear motion.
- Variable height positioning in automated assembly lines
- Packaging machine flap adjustment systems
- Press tooling with depth control requirements
- Semiconductor handling equipment position staging
- Textile machinery tension adjustment units
Installation note:
Lubricate adjustment screws with ISO VG32 hydraulic oil before initial operation.
Maintain 0.3mm minimum clearance between stopper and cylinder head during adjustment.
| Property | Property Value |
|---|---|
| sku | SEJ40X300-50S |
| 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 | 300mm |
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.