Airtac SEJ Adjustable Cylinder SEJ80X350-75S
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 SEJ80X350-75S Adjustable Stroke Cylinder Specifications
- Model: SEJ80X350-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80 mm
- Stroke: 350 mm (max) with 0-75 mm adjustable range
- Mounting style: Foot-mounted with stroke adjustment mechanism
- Port size: G1/2 (ISO228 standard)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy with hard anodized finish
- Seal type: NBR rubber (standard), optional FKM available
- Weight: 8.7 kg ±2% (without accessories)
- Dimensions:
- Length: 647 mm (full extension)
- Body width: 110 mm (mounting base)
- Height: 108 mm (including adjustment assembly)
- Rod thread: M30×1.5 external thread
- Position detection: Optional magnetic piston (SI series compatible)
Heavy-duty adjustable stroke cylinder featuring a unique mechanical locking mechanism for precise stroke limitation. The integrated micrometer-style adjustment dial (graduated in 0.1mm increments) enables fine-tuning while pressurized. Anti-rotation design maintains alignment during operation, with corrosion-resistant coatings for harsh environments.
- Variable height positioning in automotive assembly jigs
- Press machine stroke compensation systems
- Packaging line product height adjustment mechanisms
- Foundry equipment with frequent mold changes
- Plastic injection molding ejector systems
Operation tip:
Always unlock the adjustment collar (pull and rotate) before making stroke changes.
Lubricate the adjustment threads monthly with ISO VG32 hydraulic oil. Maximum adjustment
force should not exceed 50N·m using the included hex key.
| Property | Property Value |
|---|---|
| sku | SEJ80X350-75S |
| Adjustable Stroke | 75mm |
| 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 | 350mm |
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.