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 SI125BX35 Standard Cylinder Specifications
- Model: SI125BX35
- Type: Double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 35mm (customizable up to 1,000mm)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable air cushion at both ends
- Port size: G1/2 (ISO standard)
- Piston rod material: Chrome-plated steel (hardness ≥HRC40)
- Tube material: Anodized aluminum alloy (surface hardness HV≥400)
- Seal type: NBR+PU combination seals
- Temperature range: -20℃ to 80℃
- Weight: 5.8kg (bare cylinder without accessories)
- Dimensions: 210mm(L) × 155mm(W) × 155mm(H) (at mid-stroke position)
- Rod end thread: M20×1.5 (male)
- Mounting style: Standard MF1 (front flange) with multiple mounting options available
- ISO compliance: ISO 15552 (formerly ISO 6431)
High-force industrial cylinder with reinforced end caps and anti-rotation piston rod. Features wear-resistant guide bushings and corrosion-resistant coatings. Optional magnetic piston for position sensing (SI125BX35-M added to model number). Lubricator-free design operates with ISO 8573-1:2010 Class 3-4-3 compressed air.
- Metal stamping press ejection systems
- Heavy-duty material handling gates
- Plastic injection molding machine clamps
- Automotive assembly line positioning
- Foundry equipment actuators

Property | Property Value |
---|---|
sku | SI125BX35 |
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 | Non-magnetic |
Bore Diameter | 125mm |
Stroke | 35mm |
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.