Airtac SEJ Adjustable Cylinder SEJ80X75-20S
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 SEJ80X75-20S Adjustable Cylinder Specifications
- Model: SEJ80X75-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 80 mm
- Stroke: 75 mm (adjustable)
- Operating pressure: 0.05–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Rod material: Chrome-plated stainless steel (SUS304)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Mounting options: Basic type (no mount) with optional accessories
- Port size: G1/4 (ISO standard)
- Weight: 4.5 kg ±2%
- Dimensions (L×W×H): 240mm × 80mm × 80mm (at mid-stroke position)
- Protection class: IP40 (dust protected)
- ISO certification: ISO 6432 compliant
A precision-engineered adjustable stroke cylinder featuring dual-position locking mechanism for mid-stroke positioning. The SEJ series combines high rigidity with 20mm hexagonal anti-rotation rod and integrated magnet for sensor compatibility. Special hardened guide bushing ensures ≤0.5mm lateral play during operation.
- Variable height work platforms in assembly lines
- Clamping force adjustment in CNC fixtures
- Position-tunable lifting mechanisms
- Packaging machine stopper positioning
- Semiconductor handling equipment
Installation note:
Requires 0.3μm filtered air with ISO 8573-1:2010 Class 3 air quality.
Lubricate via port M5×0.8 using ISO VG32 hydraulic oil. For vertical mounting,
install emergency anti-drop collar (sold separately).
| Property | Property Value |
|---|---|
| sku | SEJ80X75-20S |
| Adjustable Stroke | <20mm> |
| 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.