Airtac SI125 Standard Cylinder SI125X340S
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 SI125X340S Standard Cylinder Specifications
- Model: SI125X340S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 340 mm
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (NPT1/2 optional)
- Piston rod thread: M20×1.5
- Mounting type: Basic front/rear flange (ISO 15552 MF1/MF2)
- Material:
- Tube: Aluminum alloy with hard anodized surface
- Piston rod: Chrome-plated steel (HRC 45-50)
- Seals: NBR (standard), optional FKM
- Protection rating: IP65 (standard wiper design)
- Weight: 6.5 kg ±2% (without accessories)
- Dimensions:
- Total length: 540 mm (stroke 340 + 200mm base length)
- Body diameter: 136 mm (external tube dimension)
- Mounting center distance: 150 mm (front flange)
- Rod end thread length: 35 mm
High-force industrial cylinder with precision-machined components for heavy-duty applications. Features wear-resistant chromium coating on piston rod and corrosion-resistant aluminum body. The dual adjustable cushions prevent impact damage at stroke ends. Requires ISO 8573-1:2010 Class 3-4-3 compressed air (max 50mg/m³ oil content).
- Automotive production line clamping systems
- Foundry equipment for mold pressing
- Paper roll handling in printing machinery
- Steel plate straightening machines
- Plastic injection molding ejectors
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use. For vertical mounting,
install locknut (ANL-20) to prevent rod rotation. Maintain 50mm clearance behind
rod end for full extension.
| Property | Property Value |
|---|---|
| sku | SI125X340S |
| 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 | 340mm |
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.