Airtac SI40 Standard Cylinder SI40AX250
2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40AX250 Standard Cylinder Technical Details
- Model: SI40AX250
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: 40 mm (1-9/16")
- Stroke: 250 mm
- Operating pressure: 0.1–0.9 MPa (15–130 psi)
- Piston speed: 50–800 mm/s (lubricated)
- Cushioning: Adjustable rubber buffer at both ends
- Ambient temperature: -20℃ to +80℃
- Port thread: G1/8 (BSPP)
- Rod end: M16×1.5 male thread
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal type: NBR seals standard (PU/Viton optional)
- Weight: 2.46 kg (without accessories)
- Dimensions: 76mm(W) × 76mm(H) × 382mm(L) (fully retracted)
- Stroke tolerance: ±1.5mm
- Protection class: IP65 (rod seal area)
High-rigidity industrial cylinder optimized for repetitive thrust applications. Features dual anti-rotation guide rods (AX series) for enhanced lateral load capacity. Corrosion-resistant construction with hard anodized barrel surface treatment. Requires ISO VG32 hydraulic oil lubrication for optimal seal life.
- Clamping fixtures in CNC machining centers
- Ejection mechanisms in plastic injection molding
- Material transfer gates in automated assembly lines
- Press brake tooling positioning systems
- Textile machinery thread tension control
Installation guidelines:
Mount using M6 flange bolts with 50mm spacing. Maintain 0.5mm minimum
rod-bore alignment tolerance. For vertical installations, use port-up
orientation to prevent condensate accumulation. Pre-lubricate through
air port before initial operation.
| Property | Property Value |
|---|---|
| sku | SI40AX250 |
| 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℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <250MM> → <250mm> |
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.