Airtac SI125 Standard Cylinder SI125X354S
2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X354S Standard Cylinder Specifications
- Model: SI125X354S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: Ø125 mm (±0.1mm tolerance)
- Stroke: 354 mm (adjustable cushioning ±5mm)
- Operating pressure: 0.1–0.9 MPa (15–130 PSI)
- Cushioning type: External adjustable rubber buffers + internal dynamic damping
- Material: Hard-anodized aluminum barrel, chromed steel piston rod
- Seal material: High-wear resistance NBR (Nitrile) with integrated wiper
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Port size: G3/4 (BSPP) female threads on both ends
- Weight: 12.8 kg (including mounting accessories)
- Dimensions: 785mm(L) × 160mm(W) × 160mm(H) (extended length)
- Rod diameter: Ø35mm (hard chrome-plated, roughness Ra≤0.2μm)
- Piston speed: 50–800 mm/s (optimal range 100–500 mm/s)
- ISO mounting: Standard 125mm center-bore flange (MF12) pattern
High-torque industrial cylinder designed for heavy-load linear motion applications. Features triple sealing system (rod seal, buffer seal, and scraper) with 50,000km maintenance-free operation under standard conditions. Corrosion-resistant construction with IP66 rating enables reliable performance in harsh environments. Optional magnetic piston version (SI125X354S-M9) available for position feedback.
- Metal stamping press ejection systems
- Plastic injection molding machine core-pulling
- Automotive assembly line positioning jigs
- Steel coil handling equipment actuators
- Paper mill roller engagement mechanisms
Installation note:
Requires minimum 2x bore size clearance for full stroke extension.
Use M12x1.75 mounting bolts (grade 8.8 or higher) with 45-55 N·m torque.
Lubricate rod weekly with ISO VG32 hydraulic oil in high-cycle applications.
| Property | Property Value |
|---|---|
| sku | SI125X354S |
| 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 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 354mm |
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.