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 SEJ80X125-40S Adjustable Stroke Cylinder Specifications
- Model Code: SEJ80X125-40S
- Series: SEJ (Adjustable Stroke Series)
- Bore size: 80mm
- Stroke: 125mm (adjustable)
- Mounting type: Basic type with front/rear threaded holes (ISO 15552 standard)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Aluminum alloy (anodized surface)
- Seal type: NBR/PU seals (oil & dust resistant)
- Ambient temperature: -20℃ to 80℃
- Port size: G3/8 (standard) / optional NPT1/2
- Weight: 3.85kg (excluding accessories)
- Dimensions (L×W×H):
- Extended length: 338mm
- Retracted length: 213mm
- Body width: 98mm
- Mounting height: 40mm
A heavy-duty adjustable stroke cylinder featuring dual-side position sensing slots and precision machined aluminum construction. The innovative stroke adjustment mechanism allows ±5mm fine-tuning via hex key without disassembly. Enhanced wear resistance with integrated scraper seal design prevents particulate ingress.
- Variable clamping force tooling systems
- Automated material handling with position-sensitive loads
- Plastic injection molding ejector mechanisms
- Customizable press-fit assembly stations
- Agricultural equipment with adaptive stroke requirements

Property | Property Value |
---|---|
sku | SEJ80X125-40S |
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 | S-Magnetic |
Bore Diameter | 80 mm |
Stroke | 125mm |
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.