Airtac SI125 Standard Cylinder SI125BX85S
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 SI125BX85S Standard Cylinder Specifications
- Model: SI125BX85S
- Bore size: 125 mm
- Stroke: 85 mm
- Operating pressure: 0.05–1.0 MPa
- Action type: Double-acting
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (axial foot & front flange)
- Port size: G3/8 (ISO standard)
- Piston rod thread: M20×1.5
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- End covers: Die-cast aluminum
- Piston rod: Chrome-plated steel (HRC 45-50)
- Seal type: NBR (nitrile rubber) with wear-resistant ring
- Weight: 6.8 kg (dry state)
- Dimensions:
- Extended length: 285 mm (stroke included)
- Retracted length: 200 mm
- Width (mounting base): 135 mm
- Height (with rod): 168 mm
- ISO standard: 15552 (previously ISO 6431)
High-torque industrial cylinder with reinforced rod bearing structure, designed for heavy-duty push/pull operations. Features dual adjustable pneumatic cushions for smooth deceleration and impact reduction. Maintenance-free design with integrated lubrication reservoir for long-term operation. Compatible with auto switches (M9/M12 mounting).
- Automotive assembly line clamping fixtures
- Press machine ejection systems
- Steel coil handling equipment
- Plastic injection molding machine core pulls
- Packaging line product positioning gates
Installation note:
Ensure rod alignment within ±0.2° angular misalignment tolerance.
Use locking nuts (DIN 982) with 45-50 N·m torque specification.
Lubricate through air supply (ISO VG32 recommended) if operating below 0.3 MPa.
| Property | Property Value |
|---|---|
| sku | SI125BX85S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 85mm |
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.