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 SI125BX375S Standard Cylinder Specifications
- Model: SI125BX375S
- Bore size: 125 mm
- Stroke: 375 mm
- Mounting type: Basic type (Standard ISO 15552 foot mounting)
- Operation: Double-acting
- Working pressure: 0.15–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: PT1/2 (G1/2 optional)
- Piston speed: 50–750 mm/s
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Weight: 9.8 kg (without accessories)
- Dimensions: 613mm(L) × 155mm(W) × 155mm(H) (Fully extended length)
- ISO standard: ISO 15552 (VDMA 24562)
- Protection rating: IP54 (standard wiper)
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with precision honed tube and triple sealing system (rod seal, piston seal, and wiper). The dual adjustable cushioning mechanism minimizes impact at stroke ends, while the 3-position magnetic slot allows flexible sensor mounting. Requires ISO 8573-1:2010 Class 3 compressed air.
- Automotive production line clamping fixtures
- Steel mill material handling systems
- Plastic injection molding machine ejectors
- Paper processing equipment actuators
- Warehouse automated stacking mechanisms

- 5,000 km travel distance (NBR seals)
- Replace wiper seal every 2 million cycles in dusty environments
- Re-lubrication interval: 6 months or 3,000 operating hours
Property | Property Value |
---|---|
sku | SI125BX375S |
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 | 375mm |
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.