Airtac SEJ Adjustable Cylinder SEJ100X300-50S
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 SEJ Series Adjustable Cylinder SEJ100X300-50S Specifications
- Model: SEJ100X300-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø100 mm
- Stroke: 300 mm (adjustable via mechanical stopper)
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Piston rod diameter: Ø25 mm (chrome-plated steel)
- Mounting style: Basic type (Standardized mounting holes per ISO 15552)
- Port size: G1/2 (BSPP thread)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (nitrile rubber)
- Weight: 6.8 kg (excluding accessories)
- Dimensions:
- Extended length: 664 mm (stroke 300 + base length)
- Body diameter: Ø112 mm (cylinder tube)
- Mounting bracket width: 125 mm
- Max theoretical force:
- 3,142 N @ 0.4 MPa (extending)
- 2,827 N @ 0.4 MPa (retracting)
- Air consumption: 2.36 L/stroke @ 0.5 MPa
- ISO standard compliance: 15552 (previously ISO 6431)
Heavy-duty adjustable stroke cylinder featuring a dual-cushion design with 360° adjustable mechanical stoppers for precise stroke control. The anodized aluminum construction provides corrosion resistance, while the magnetic piston version (optional) enables position feedback. Requires 5μm filtered air and ISO VG32 hydraulic oil lubrication for optimal performance.
- Die-casting machine ejection systems
- Automotive welding fixture positioning
- Paper roll clamping in printing presses
- Adjustable press mechanisms in metal forming
- Plastic injection molding machine gates
Installation protocol:
Align stopper screws perpendicular to motion axis. Perform cushion adjustment
at 80% operating pressure. For stroke modifications exceeding 50% reduction,
consult factory for rod end reinforcement.
- Relubrication interval: 1,000 km travel distance or 6 months
- Wear limit: 0.5 mm rod surface pitting depth (per ISO 21287)
- Rebuild kit: AKSEJ-100M (includes seals, cushion rings, and wipers)
| Property | Property Value |
|---|---|
| sku | SEJ100X300-50S |
| Adjustable Stroke | <50mm> |
| 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 | PT 1/2 |
| Magnet | S-Magnetic |
| Bore Diameter | 100mm |
| Stroke | 300mm |
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.