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 Cylinder SEJ80X125-30S Technical Specifications
- Model: SEJ80X125-30S
- Bore size: 80mm
- Stroke: 125mm
- Operation type: Double-acting with adjustable cushioning
- Mounting style: Standard MF1/MF2/MB1/MB2 (optional)
- Working pressure: 0.1-1.0 MPa
- Piston speed: 50-800 mm/s
- Cushion adjustment range: 5-30mm (both ends)
- Port size: G3/8 (NPT1/2 optional)
- Ambient temperature: -20℃ to 80℃
- Seal material: Polyurethane (NBR optional)
- Body material: Aluminum alloy (6063-T5)
- Rod material: Chrome-plated steel (HCP)
- Weight: 5.8kg ±2%
- Dimensions: 225mm(L) × 94mm(W) × 94mm(H)
- ISO standard: 15552 compliant
- Protection class: IP54 (IP67 with optional wiper)
High-precision adjustable stroke cylinder featuring dual-stage buffering control with 240° rotary adjustment knobs. The hard-anodized barrel integrates wear-resistant guides and incorporates a magnetic piston for position sensing compatibility. Requires 5μm filtered lubricated air (ISO 8573-1 class 3.4.3).
- Die-casting machine ejection systems
- Automotive welding fixture positioning
- Glass handling equipment with soft-landing requirements
- Paper converting machinery with variable stroke needs
- Pharmaceutical blister packaging line actuators

Property | Property Value |
---|---|
sku | SEJ80X125-30S |
Adjustable Stroke | 30mm |
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.