Airtac SEJ Adjustable Cylinder SEJ80X25-20S
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 SEJ80X25-20S Adjustable Cylinder Specifications
- Model: SEJ80X25-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80 mm
- Stroke: 25 mm (adjustable)
- Max. operating pressure: 0.7-1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Port size: G1/4 (NPT1/4 optional)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR + PU combination
- Weight: 3.8 kg (excluding accessories)
- Dimensions: 340mm(L) × 80mm(W) × 80mm(H) (max extended length)
- Protection rating: IP54 (standard)
- Mounting type: Basic axis mounting (MF1) with optional brackets
High-precision industrial cylinder featuring a unique mechanical stopper system for millimeter-level stroke adjustment (±1mm accuracy). The dual-chamber design minimizes air consumption during partial stroke operations. Includes built-in shock absorbers with 5-stage cushioning adjustment.
- Press machine die height adjustment systems
- Automated packaging line pressure control
- Plastic injection molding ejector mechanisms
- CNC fixture positioning with variable workpiece sizes
- Solar panel assembly line clamping devices
Installation note:
Requires minimum 0.3μm filtered air with automatic drain. Lubricator recommended for
optimal seal life. Avoid side load exceeding 50N during operation. Alignment tolerance
≤0.2mm/m for maximum rod bearing lifespan.
- Magnetic sensor kit: D-A93 (IP67 rated)
- Rod lock module: RL-80S
- Heat-resistant variant (up to 120℃): Add "-HT" suffix
- Corrosion-resistant version: Stainless steel rod (+0.5kg)
| Property | Property Value |
|---|---|
| sku | SEJ80X25-20S |
| 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 | <25 mm> |
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.