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 SI40X275 Standard Cylinder Specifications
- Model: SI40X275
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40 mm
- Stroke: 275 mm (±1.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa (1–9 bar)
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/8 (ISO 228-1 standard)
- Piston rod material: Hard chrome-plated carbon steel (Cr-Mo steel)
- Cylinder tube: Anodized aluminum alloy (6063-T5)
- Seal material: NBR (nitrile) with wear-resistant ring
- Temperature range: -20℃ to 80℃ (non-freezing conditions)
- Max theoretical thrust: 502 N @ 0.63 MPa
- Max speed: 500–800 mm/s (with cushioning)
- Weight: 2.65 kg (dry, without accessories)
- Dimensions: 375mm(L) × 63mm(W) × 63mm(H) (retracted length)
- Mounting options: Basic type (front flange/rear clevis, optional accessories)
- Rod end thread: M16×1.5 (external)
- ISO standard lubrication: Pre-lubricated (recommended oil: ISO VG32)
High-precision industrial cylinder with corrosion-resistant construction, designed for long-stroke applications requiring consistent force output. Features dual adjustable air cushions for smooth deceleration and reduced impact noise. The anodized surface treatment provides enhanced wear resistance in dusty environments. Requires 5μm filtered air and monthly lubrication for optimal performance.
- Automated production line material handling
- Plastic injection molding machine ejectors
- Automotive assembly clamping mechanisms
- Packaging machine pusher systems
- Textile machinery tension control
- Steel mill conveyor gate actuators
| Property | Property Value |
|---|---|
| sku | SI40X275 |
| 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 | Medium Carbon Steel |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 275mm |
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.









