Airtac SEJ Adjustable Cylinder SEJ80X50-30
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 SEJ80X50-30 Adjustable Stroke Cylinder Specifications
- Model: SEJ80X50-30 (Standard ISO 6432 variant)
- Type: Double-acting adjustable stroke cylinder
- Bore size: 80 mm ±0.1mm (precision honed)
- Stroke: 50 mm (adjustable range 25-50mm)
- Rod diameter: 20 mm (chrome-plated steel)
- Operating pressure: 0.05-1.0 MPa (7-145 psi)
- Cushioning: External adjustable pneumatic cushion
- Port size: G1/4 (BSPP thread)
- Mounting: 30mm center hole spacing (ISO 15552 standard)
- Body material: Aluminum alloy 6063-T5 (hard anodized)
- Seal type: NBR + PU hybrid seals (high wear resistance)
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Weight: 2.3 kg ±5% (without accessories)
- Dimensions (retracted): 196mm(L) × 80mm(W) × 80mm(H)
- Dimensions (extended): 246mm(L) × 80mm(W) × 80mm(H)
- Protection rating: IP54 (standard wiper seal)
- Lubrication: Pre-lubricated (recommended oil viscosity: ISO VG32)
High-precision adjustable stroke cylinder featuring dual-position locking mechanism for mid-stroke positioning. The 3-stage adjustable cushion system minimizes end-impact noise (≤65dB at 0.5MPa). Includes magnetic piston for position feedback compatibility. Special anti-rotation design maintains orientation during complex motion sequences.
- CNC machine tool clamping/unclamping systems
- Variable height adjustment in assembly line fixtures
- Precision glass handling with soft-stop requirements
- Packaging machine pusher mechanisms
- Robotic welding positioner height control
Installation guidelines:
Mount using Class 10.9 or higher grade bolts with Loctite 243.
Maintain 0.5-1mm clearance between cushion screws and end caps during adjustment.
Lubricate rod weekly in high-cycle (>500k cycles/month) applications.
| Property | Property Value |
|---|---|
| sku | SEJ80X50-30 |
| 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 | PT3/8 |
| Magnet | Non-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.