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 SEJ63X80-40 Adjustable Cylinder Specifications
- Series: SEJ (Adjustable Stroke Type)
- Bore size: 63mm
- Stroke: 80mm (±20mm adjustable range)
- Max stroke adjustment: 40mm total variation
- Operating pressure: 0.1–0.9 MPa
- Port size: PT1/4 (G1/4 optional)
- Piston speed: 50–1000 mm/s
- Cushioning: Adjustable elastic cushion at both ends
- Mounting type: FS (Foot Mount) / MF (Front Flange) optional
- Material:
- Tube: Aluminum alloy with hard anodization
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR (Nitrile) standard, optional FKM (Viton)
- Ambient temperature: -20℃ to 80℃
- Weight: 3.2 kg (excluding accessories)
- Dimensions (L×W×H): 200mm × 80mm × 80mm (full retraction)
- Rod thread: M16×1.5
- Protection class: IP54 (standard wiper seal)
High-precision adjustable stroke cylinder featuring dual-position locking mechanism for mid-stroke positioning. The SEJ63X80-40 combines position memory capability with shock-absorbing adjustment screws that allow ±20mm stroke modification without disassembly. Special chromium-plated rod surface treatment reduces stick-slip effect during low-speed operation.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in automated assembly lines
- Material handling systems requiring multi-position stops
- Packaging machine pusher mechanisms
- Glass cutting equipment with adjustable depth control

Property | Property Value |
---|---|
sku | SEJ63X80-40 |
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 | PT3/8 |
Magnet | Non-magnetic |
Bore Diameter | 63mm |
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.