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 SI125X330S Standard Cylinder Specifications
- Model: SI125X330S
- Type: ISO 15552 compliant single-acting/double-acting cylinder
- Bore size: 125 mm
- Stroke: 330 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.2 MPa (7-174 psi)
- Temperature range: -20℃ to 80℃ (NBR seals)/150℃ (optional FKM seals)
- Cushioning: Adjustable pneumatic cushion + shock absorber
- Port size: G1/2 (BSPP thread)
- Mounting: 4×M12x1.75 threaded holes (ISO 15552 mounting pattern)
- Piston rod material: Hard chrome-plated 45# steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR standard (FKM/Viton optional)
- Weight: 9.8 kg (bare cylinder)/10.3 kg (with magnetic switch)
- Dimensions:
- Length: 584 mm (full retract)
- Width: 162 mm (including mounting brackets)
- Height: 162 mm (square tube profile)
- Rod end thread: M20×1.5 (male)
- Max theoretical force: 14,726N @1.0MPa (double-acting)
High-power industrial cylinder designed for heavy-duty automation systems requiring precise linear motion. Features triple sealing system (rod seal, piston seal, wiper) with IP66 protection rating. Compatible with all ISO 15552 mounting accessories. Optional Hall-effect magnetic sensor (SI-M) for position feedback.
- Automotive production line clamping fixtures
- Plastic injection molding machine ejectors
- Steel coil handling systems
- Paper roll positioning in printing presses
- Heavy material conveyor gate controls
| Property | Property Value |
|---|---|
| sku | SI125X330S |
| 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 | 330 mm |
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.







