Airtac SEJ Adjustable Cylinder SEJ40X350-30S
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 SEJ Series Adjustable Stroke Cylinder SEJ40X350-30S Specifications
- Model: SEJ40X350-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 350mm (±1.5mm tolerance)
- Adjustment range: 0-30mm via external stopper
- Operating pressure: 0.05-1.0 MPa
- Port size: M5x0.8 (G1/8 optional)
- Cushion type: Fixed rubber bumper + adjustable air cushion
- Mounting style: Basic type (no built-in mounts)
- Rod material: Chrome-plated steel (Cr-Mo)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 2.8kg (with rod extended)
- Dimensions:
- Total length: 575mm (at max extension)
- Body diameter: 50mm
- Rod end thread: M16x1.5
- Mounting base: 64mm x 64mm square
High-precision adjustable stroke cylinder featuring dual-position mechanical stoppers for mid-stroke positioning. The external adjustment mechanism allows ±15mm fine-tuning without disassembly. Anti-rotation design maintains orientation during partial stroke operations. Includes wear-resistant guide bushings for side load resistance.
- Variable height work platforms in assembly lines
- Material handling with position-dependent gripping force
- Printing machinery for adjustable impression pressure
- Automotive fixture positioning systems
- Plastic injection mold ejection control
Installation note:
Lubricate adjustment screws with ISO VG32 hydraulic oil before initial use.
Maintain 0.3-0.5mm clearance between stopper plates during alignment.
Not recommended for vertical downward thrust applications exceeding 200N.
| Property | Property Value |
|---|---|
| sku | SEJ40X350-30S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| 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.