Airtac SI125 Standard Cylinder SI125AX250
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 SI125AX250 Standard Cylinder Technical Specifications
- Model: SI125AX250
- Bore size: 125mm
- Stroke: 250mm
- Operating pressure: 0.05-1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Operating temperature: -20℃ to 80℃
- Port size: G1/2 (ISO standard)
- Mounting style: Basic type (MF1) with optional foot/mounting flange
- Piston rod material: Chrome-plated carbon steel (JIS S45C)
- Cylinder tube: Aluminum alloy with hard anodized surface
- Seal material: NBR (Nitrile rubber) with wear-resistant ring
- Max thrust: 1,256kgf @ 0.63MPa (theoretical calculation)
- Max speed: 500-800mm/s (with cushion adjustment)
- Weight: 7.8kg ±3% (excluding accessories)
- Dimensions: 580mm(L) × 156mm(W) × 156mm(H)
- Lubrication: Pre-lubricated (Dry operation possible)
- Protection class: IP65 (Dust-tight & water jet resistant)
High-performance industrial cylinder designed for heavy-duty linear motion applications. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and enhanced impact resistance. The hard-anodized barrel provides exceptional wear resistance in high-cycle applications (up to 3,000km service life). Optional magnetic piston version (SI125AX250-M9) available for position sensing.
- Automotive assembly line clamping mechanisms
- Press machine ejection systems
- Foundry equipment door actuators
- Heavy material handling in logistics systems
- Plastic injection molding machine core pullers
Installation note:
Recommended mounting orientation: Horizontal (±15° tolerance). For vertical mounting,
use auxiliary guide mechanisms when handling eccentric loads exceeding 50kg.
Maintain 30mm minimum clearance around cylinder body for heat dissipation.
- Relubrication interval: 2,000km travel distance or 6 months
- Cushion needle valve adjustment range: 1/4 to 1 full turn from closed position
- Rod seal replacement indicator: >5% speed variation under constant load
| Property | Property Value |
|---|---|
| sku | SI125AX250 |
| 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 | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| 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.