Airtac SEJ Adjustable Cylinder SEJ50X120-30S
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 SEJ50X120-30S Adjustable Stroke Cylinder Specifications
- Model: SEJ50X120-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50mm
- Stroke: 120mm (adjustable)
- Mounting style: Standard switch base with auto-stop mechanism
- Operating pressure: 0.05-0.8 MPa
- Cushioning: Rubber cushioning at both ends
- Operating temperature: -20℃ to 80℃
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod material: Stainless steel (SUS304)
- Cylinder tube: Aluminum alloy with hard anodizing
- Seal material: NBR (Nitrile rubber)
- Weight: 2.8kg ±5%
- Dimensions (L×W×H):
- Standard length: 250mm
- Max extended length: 370mm
- Width (mounting base): 70mm
- Height (including rod): 70mm
- Protection rating: IP54 (standard)
Precision-adjustable pneumatic cylinder featuring a unique mechanical stopper system with 30mm adjustment range. The dual-scale indicator (metric/imperial) enables micron-level positioning accuracy (±0.2mm repeatability). Anti-rotation design maintains sensor alignment during stroke adjustment. Includes built-in shock absorbers for high-speed operation up to 1.5m/s.
- Precision clamping in CNC fixture systems
- Variable height positioning in packaging machinery
- Automated assembly line tooling adjustment
- Material handling equipment with adaptive stroke requirements
- Automotive test rigs requiring programmable end stops
Installation note:
Lubricate adjustment threads with ISO VG32 hydraulic oil before initial use.
Maximum side load capacity: 35N at full extension. Requires minimum 5μm filtered air.
- Loosen the lock nut (M8×1.25) using 12mm wrench
- Rotate adjustment dial (2mm per full revolution)
- Align desired position with laser-etched scale markings
- Re-tighten nut to 4.5-5.5 N·m torque
| Property | Property Value |
|---|---|
| sku | SEJ50X120-30S |
| 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 | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 120mm |
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.