Airtac SEJ Adjustable Cylinder SEJ50X75-30
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 SEJ50X75-30 Adjustable Cylinder Specifications
- Model: SEJ50X75-30
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50mm
- Stroke: 75mm (adjustable within 0-75mm range)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable elastic cushioning
- Mounting style: Basic type (MF1) with front/rear threaded mounting
- Port size: G1/8 (NPT1/8 optional)
- Rod material: Hard chrome-plated steel
- Cylinder tube: Precision honed aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Piston speed: 50-800 mm/s
- Weight: 2.8kg ±5%
- Dimensions (L×W×H): 200mm × 75mm × 75mm (extended length)
- Rod end type: External thread M16×1.5
- Protection rating: IP54 (standard)
High-precision adjustable stroke cylinder featuring a unique mechanical locking mechanism for position retention. The anodized aluminum body provides corrosion resistance in humid environments. Includes dual-scale position indicators (mm and inch markings) for visual feedback. Requires ISO 8573-1:2010 Class 3 compressed air.
- Precision workpiece clamping in CNC fixtures
- Variable height positioning in conveyor systems
- Mold height adjustment in injection molding machines
- Automated packaging line pressure control
- Semiconductor handling equipment positioners
Installation note:
Apply Loctite 243 to mounting threads (8.8 grade bolts recommended).
Maintain 0.3-0.5mm clearance between stopper and cylinder during adjustment.
Lubricate with ISO VG32 hydraulic oil before initial use.
Avoid lateral forces exceeding 30N.
Maximum side load capacity: 150N at full extension.
For vertical installations, use with ≤0.5MPa pressure.
| Property | Property Value |
|---|---|
| sku | SEJ50X75-30 |
| 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 | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <50mm> |
| Stroke | 75mm |
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.