Airtac SEJ Adjustable Cylinder SEJ40X100-20
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 Cylinder SEJ40X100-20 Technical Specifications
- Model Code: SEJ40X100-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 100mm (±1mm adjustment range)
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Adjustable elastic cushion at both ends
- Mounting style: Basic type (MF1) with front thread
- Port size: M5x0.8 (dual Rc1/8 ports optional)
- Piston rod thread: M12x1.25 (external)
- Temperature range: -10℃ to 80℃
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated stainless steel (SUS304)
- Seals: NBR wear-resistant seals
- Weight: 1.85kg ±3% (without accessories)
- Dimensions:
- Extended length: 226mm (stroke 100mm + base length)
- Retracted length: 126mm
- Body diameter: 48mm (max outer dimension)
- Mounting hole spacing: 32mm (center-to-center)
Precision-engineered adjustable stroke cylinder featuring micrometer-style stroke adjustment mechanism with 20mm fine-tuning capacity. The SEJ40X100-20 combines impact absorption through dual adjustable cushions with anti-rotation guidance, making it ideal for applications requiring precise end-position control. The corrosion-resistant construction includes triple chrome plating on critical components.
- Variable position clamping in CNC fixture systems
- Precision paper feed mechanisms in printing presses
- Adjustable lifting platforms in pharmaceutical packaging lines
- Position-adjustable stoppers in automotive assembly jigs
- Modular robotic end-effector positioning
Installation guidelines:
For optimal performance, align adjustment screws perpendicular to mounting surface.
Lubricate with ISO VG32 hydraulic oil before initial use. Maximum side load: 15N at full extension.
Recommended re-lubrication interval: 3 million cycles or 12 months.
- Repeat positioning accuracy: ±0.2mm
- Maximum piston speed: 500mm/s
- Static friction: ≤3.5N
- Dynamic friction: ≤2.8N
- Leakage rate: <0.5 cm³/min at 0.5MPa
| Property | Property Value |
|---|---|
| sku | SEJ40X100-20 |
| 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 | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 100mm |
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.