Airtac SEJ Adjustable Cylinder SEJ80X125-75
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 SEJ80X125-75 Technical Specifications
- Model: SEJ80X125-75
- Bore size: 80mm
- Stroke: 125mm (±0.5mm adjustment range)
- Operating pressure: 0.1–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Standard MF1 flange / FB foot mounting
- Port size: G1/2 (BSPP thread)
- Rod end type: Female thread M20×1.5
- Tube material: Aluminum alloy (hard anodized)
- Piston rod material: Chrome-plated steel (S45C)
- Seal material: NBR (nitrile rubber)
- Weight: 3.5kg (bare cylinder), 3.8kg (with accessories)
- Dimensions:
- Total length (extended): 305mm
- Body diameter: 80mm
- Mounting hole spacing: 150mm × 60mm (FB type)
- Rod stroke tolerance: +1.0/-0 mm
Precision-engineered adjustable stroke cylinder featuring micro-adjustment mechanism (±0.5mm fine-tuning capability) for position-sensitive applications. The double-acting design incorporates wear-resistant seals and corrosion-resistant plating, optimized for 1,500km+ service life under standard conditions. Includes magnetic piston for position sensing compatibility.
- CNC machine tool clamping systems
- Automated production line positioning fixtures
- Plastic injection molding ejector mechanisms
- Precision press brake tool alignment
- Semiconductor wafer handling robots
Installation guidance:
When adjusting stroke length, first loosen the lock nut (15N·m torque limit),
then rotate the adjustment screw (max 5 full turns). Always perform pressure
relief before adjustment. For vertical mounting, install air vent valve upward.
| Property | Property Value |
|---|---|
| sku | SEJ80X125-75 |
| 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 | Non-magnetic |
| Bore Diameter | 80 mm |
| Stroke | 125mm |
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.