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 SI40X740S Standard Cylinder Specifications
- Model: SI40X740S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 40mm
- Stroke: 740mm
- Operating pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable air cushion at both ends
- Mounting style: Basic front flange (ISO 15552 MF1)
- Port size: G1/8 (NPT1/4 optional)
- Piston rod thread: M16×1.5
- Material: Aluminum alloy barrel, hardened steel rod
- Seal material: NBR/PU compound seals
- Weight: 3.8kg (excluding accessories)
- Dimensions: 840mm(L) × 62mm(W) × 62mm(H)
- Rod end type: Female thread with pivot eye
- Maximum speed: 0.1–1.5 m/s
- Lubrication: Pre-lubricated (oil-free operation possible)
High-load industrial cylinder designed for extended stroke applications requiring precision alignment. Features corrosion-resistant anodized surface treatment and magnetic piston for position sensing compatibility. The 740mm stroke version utilizes reinforced guide bushings to prevent rod deflection.
- Automated assembly line material handling
- Plastic injection molding ejector systems
- Paper processing machinery actuators
- Automotive welding fixture positioning
- Packaging equipment pusher mechanisms
| Property | Property Value |
|---|---|
| sku | SI40X740S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 740 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.









