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 SI125X238S Standard Cylinder Specifications
- Model: SI125X238S
- Bore size: 125mm (ISO 6432 standard)
- Stroke: 238mm (customizable up to 500mm)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/2 (NPT1/2 optional)
- Piston speed: 50–800 mm/s (lubricated condition)
- Ambient temperature: -20℃ to 80℃
- Mounting type: Basic type (MF1) with multiple accessory options
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: Heat-resistant NBR (Nitrile rubber)
- Weight: 10.2kg (excluding accessories)
- Dimensions: 403mm(L) × 160mm(W) × 160mm(H) (at full retraction)
- Rod thread: M20×1.5 external thread
- Protection rating: IP54 (standard wiper seal)
High-force industrial cylinder optimized for heavy-duty linear motion applications. Features dual adjustable air cushions for smooth end-of-stroke deceleration and corrosion-resistant construction. Requires ISO VG32 hydraulic oil lubrication for optimal seal performance (non-lubricated operation possible with special seals).
- Press machine clamping mechanisms
- Automotive assembly line positioning systems
- Steel mill material handling gates
- Plastic injection molding ejectors
- Warehouse automated stacking arms
| Property | Property Value |
|---|---|
| sku | SI125X238S |
| 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 | 238mm |
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.









