Airtac SEJ Adjustable Cylinder SEJ80X50-20S
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 SEJ80X50-20S Adjustable Cushion Cylinder Specifications
- Model Code Breakdown: SEJ80-X50-20S
- SEJ: Standard cylinder series with adjustable cushion
- 80: Bore size (80mm)
- X50: Stroke length (50mm)
- 20S: Double pivot mounting style with auto switch slot
- Operating pressure: 0.15–0.8 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting types available: Basic, Foot, Flange, Double Pivot
- Rod end thread: M20×1.5 (external)
- Seal material: Nitrile Butadiene Rubber (NBR)
- Tube material: Anodized aluminum alloy
- Rod material: Chrome-plated steel
- Protection rating: IP54 (standard), IP67 (optional)
- Weight: 3.8 kg (excluding accessories)
- Dimensions:
- Total length: 194 mm (retracted)
- Extended length: 244 mm
- Width (mounting block): 98 mm
- Height (including rod): 132 mm
High-precision industrial cylinder featuring dual adjustable air cushions for controlled deceleration. The anodized body resists corrosion in humid environments while the chrome-plated rod ensures smooth operation under heavy side loads. Includes magnetic piston for sensor compatibility and T-slot design for easy switch mounting.
- Automated assembly line positioning systems
- Die-casting machine ejection mechanisms
- Paper processing equipment with precise stroke control
- Packaging machinery requiring shock absorption
- Automotive welding fixture actuation
Installation guidelines:1. Align mounting surfaces within 0.2mm tolerance
2. Lubricate with ISO VG32 hydraulic oil before initial use
3. Maintain 0.5mm minimum clearance between rod end and load
4. Adjust cushion screws incrementally (1/4 turns) for optimal braking
- Air quality: ISO 8573-1 Class 3.4.2 (max 5μm particles)
- Relative humidity: Below 80% (non-condensing)
- Vibration limit: 4.9 m/s² max (when mounted)
| Property | Property Value |
|---|---|
| sku | SEJ80X50-20S |
| 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 | <50mm> |
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.