Airtac SEJ Adjustable Cylinder SEJ40X80-40
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 SEJ40X80-40 Technical Details
- Model: SEJ40X80-40
- Type: Double-acting adjustable stroke cylinder with locking mechanism
- Bore size: 40mm
- Stroke range: 25-80mm (adjustable)
- Max. stroke adjustment: ±5mm via external locking ring
- Operating pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Cushioning: Adjustable air cushion (both ends)
- Port size: PT1/4 (G1/4 optional)
- Mounting type: Basic type (optional foot/mounting flange available)
- Weight: 1.85kg ±3%
- Dimensions (L×W×H): 213mm × 50mm × 50mm (retracted state)
- Extended length: 293mm (at max stroke)
- Repeat positioning accuracy: ±0.2mm
- Max. speed: 500mm/s
- ISO standard compliance: ISO 6432
Precision adjustable stroke cylinder featuring dual-position locking mechanism for mid-stroke fixation. The chrome-plated piston rod incorporates a dust-resistant scraper, while the aluminum body undergoes multi-stage surface treatment for corrosion resistance. Unique spiral groove design in the adjustment mechanism prevents accidental stroke changes during operation.
- Precision positioning in semiconductor handling robots
- Variable height adjustment in automated packaging lines
- Clamping force control in CNC fixture systems
- Position memory applications in automotive assembly
- Dual-position workholding in machining centers
Operation note:
Always release air pressure before adjusting stroke. Lubricate guide shafts monthly with ISO VG32 hydraulic oil. Avoid lateral loads exceeding 30N. For vertical mounting, use auxiliary guide mechanisms when payload exceeds 5kg.
| Property | Property Value |
|---|---|
| sku | SEJ40X80-40 |
| Adjustable Stroke | <40mm> |
| 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 | 80 mm |
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.