Airtac SEJ Adjustable Cylinder SEJ63X30-20S
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 SEJ63X30-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ63X30-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63 mm
- Stroke: 30 mm (adjustable)
- Adjustment mechanism: External stroke limiter with lock nut
- Operating pressure: 0.05–1.0 MPa
- Port size: 1/4" NPT (G1/8 optional)
- Cushioning: Rubber bumper + adjustable air cushion
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 1.8 kg ±3%
- Dimensions: 190mm(L) × 78mm(W) × 78mm(H)
- Protection rating: IP54 (standard wiper design)
- Lubrication: Pre-lubricated (Grease-free operation)
Precision-adjustable compact cylinder featuring dual-position mechanical stops for millimeter-level stroke control. The anodized body provides corrosion resistance in humid environments, while the double-sealed piston rod wiper ensures debris exclusion. Requires minimal maintenance with self-retaining adjustment mechanism.
- Precision clamping fixtures in CNC machining centers
- Label application systems with variable package heights
- Electronic component insertion machines
- Glass handling equipment with soft-stop requirements
- Pharmaceutical tablet pressing mechanisms
Installation note:
For optimal performance, align adjustment screws perpendicular to mounting surface.
Apply thread locker (medium strength) after final stroke setting. Maximum side load: 15% of rated thrust.
- Loosen both lock nuts (M8) using 13mm wrench
- Rotate adjustment screws clockwise to decrease stroke
- Counter-clockwise rotation increases stroke
- Re-tighten nuts to 4.5 N·m torque
- Test cycle 3-5 times before production use
| Property | Property Value |
|---|---|
| sku | SEJ63X30-20S |
| Adjustable Stroke | <20mm> |
| 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 | 30mm |
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.