2. Piston features dual Y-shaped bidirectional seals with dust-proof capability, offering extended service life and low frictional resistance;
3. Cylinder tube with triple tie-rod structure and cross-shaped design ensures excellent corrosion resistance;
4. Adjustable cushioning for smooth operation;
5. Multiple cylinder specifications and mounting accessories available for customer customization.
Category: Adjustable Cylinders, Brand: Airtac, Series: SIJ125 (Note: The translation incorporates technical terminology adjustments to align with industry standards while retaining HTML line breaks. Critical clarifications include "triple tie-rod" for structural integrity and "adjustable cushioning" for precise motion control, reflecting the product's core features.)
AirTAC SIJ125X900-20 Dual Rod Adjustable Cylinder Specifications
- Model: SIJ125X900-20
- Type: Double rod adjustable stroke cylinder (ISO 15552 standard)
- Bore size: Ø125 mm
- Stroke: 900 mm (adjustable via mechanical stoppers)
- Rod diameter: Ø32 mm (dual chromium-plated steel rods)
- Operating pressure: 0.15–0.8 MPa
- Cushioning: Adjustable pneumatic cushioning at both ends
- Mounting style: Front flange mount (MF1) with dual rod support
- Port size: G1/2 (BSPP thread)
- Weight: 18.5 kg (without accessories)
- Dimensions: 1150mm(L) × 155mm(W) × 155mm(H)
- Piston material: Aluminum alloy with hard anodized surface
- Rod material: SUS304 stainless steel
- Seal type: NBR seals with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Protection class: IP40 (dust protected)
- Lubrication: Pre-lubricated (option for oil-free operation)
High-rigidity dual rod cylinder designed for precision positioning in heavy-load applications. Features twin piston rods for enhanced moment resistance and adjustable stroke mechanism with ±2mm repeatability. Integrated mounting grooves allow direct sensor installation for position feedback.
- Automated welding fixture positioning systems
- Press machine ejection mechanisms
- Automotive assembly line clamping devices
- Large-format CNC router tool changers
- Heavy material handling gates
1. Ensure parallel alignment of dual rods within 0.2mm/m tolerance
2. Use M12x1.5 mounting bolts (grade 8.8 or higher)
3. For full stroke operation, maintain 50mm clearance at both ends
4. Lubricate rods weekly with ISO VG32 hydraulic oil in high-cycle applications
| Property | Property Value |
|---|---|
| sku | SIJ125X900-20 |
| 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°C to 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | <900mm> |
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.





