Airtac SEJ Adjustable Cylinder SEJ80AX75-30S
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 SEJ80AX75-30S Adjustable Cylinder Specifications
- Model: SEJ80AX75-30S
- Type: Double-acting adjustable stroke cylinder with external stopper
- Bore size: 80 mm
- Stroke: 75 mm (adjustable range: ±5mm via locking collars)
- Rod diameter: 20 mm (chrome-plated carbon steel)
- Operating pressure: 0.1–1.0 MPa
- Port size: G1/2 (BSPP thread)
- Cushioning: Adjustable rubber buffer at both ends
- Body material: Aluminum alloy (anodized surface)
- Seal material: NBR + PU combination
- Temperature range: -10℃ to 80℃
- Weight: 2.65 kg (excluding accessories)
- Dimensions:
- Extended length: 255 mm
- Retracted length: 180 mm
- Body diameter: 90 mm (including mounting lugs)
- Rod end thread: M20×1.5
- ISO standard: 15552 compliant
- Mounting options: AF-series foot mounts or FB-series flange brackets
High-precision industrial cylinder featuring dual external stroke adjustment collars with graduated markings (0.5mm increments). Includes built-in magnet for position sensing compatibility. The T-slot mounting groove allows 360° accessory alignment. Rated for 5,000km service life at 0.5MPa with regular lubrication.
- Die casting machine ejection force control
- Automotive welding fixture positioning
- Palletizer height adjustment systems
- Glass cutting equipment with variable sheet sizes
- Packaging line product gate control
Installation note:
Apply Loctite 243 to adjustment collar threads during assembly.
Requires weekly re-lubrication (ISO VG32 hydraulic oil recommended)
in high-cycle applications (>500 strokes/hour).
Theoretical thrust @ 0.6MPa:
- Extension: 3016N (π×(80/2)²×0.6)
- Retraction: 2672N (accounting for rod area)
| Property | Property Value |
|---|---|
| sku | SEJ80AX75-30S |
| 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 | 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.