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 SEJ80X75-40S Specifications
- Model: SEJ80X75-40S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 80 mm
- Stroke: 75 mm (adjustable)
- Operating pressure: 0.15–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable buffer at both ends
- Mounting style: Basic type (MF1) with front flange
- Port size: Rc1/4 (NPT1/4 optional)
- Piston rod thread: M20×1.5
- Tube material: Aluminum alloy hard anodized
- Rod material: Chrome-plated steel
- Seal material: NBR (Nitrile rubber)
- Weight: 5.2 kg ±2%
- Dimensions (L×W×H): 298mm × 80mm × 92mm (extended length)
High-precision industrial cylinder featuring dual adjustable mechanical stops for ±2mm stroke fine-tuning. Incorporates wear-resistant guide bushings and integrated magnet for position sensing. Rated for 5,000km service life under standard conditions (0.5MPa load). Requires ISO VG32 hydraulic oil lubrication for optimal performance.
- Die-casting machine ejection systems
- Automated welding fixture positioning
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- Textile machinery tension control
- Plastic injection molding ejectors

Property | Property Value |
---|---|
sku | SEJ80X75-40S |
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 | 75mm |
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.