Airtac SEJ Adjustable Cylinder SEJ63X250-75S
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 SEJ63X250-75S Adjustable Cylinder Specifications
- Model: SEJ63X250-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable range 0-25mm via external stopper)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Basic type (Standard) with optional foot/mounting flange
- Port size: M5x0.8 (G1/8 adaptor available)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Hard-anodized aluminum alloy
- Barrel material: Aluminum alloy with hard coating
- Seal material: NBR (Nitrile rubber)
- Weight: 3.8kg (excluding accessories)
- Dimensions (L×W×H): 390mm × 80mm × 80mm (full extension)
- Rod thread: M16×1.5 (external)
- Repeat positioning accuracy: ±0.5mm
Precision-engineered adjustable stroke cylinder featuring dual external locking screws for stroke adjustment without disassembly. The corrosion-resistant hard coat surface treatment ensures durability in humid environments. Integrated magnet slots for sensor mounting enable position feedback integration.
- Variable height positioning in automated assembly lines
- Material handling systems requiring adjustable gripping force
- Packaging machinery with product size variations
- Plastic injection molding ejection mechanisms
- Test equipment requiring programmable stroke lengths
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use.
Maintain 0.3mm minimum clearance between stopper and cylinder during adjustment.
Avoid side load exceeding 30N. Regular cushion needle valve maintenance recommended every 500,000 cycles.
| Property | Property Value |
|---|---|
| sku | SEJ63X250-75S |
| 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 | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | <250MM> → <250mm> |
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.