Airtac SI40 Standard Cylinder SI40BX140
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 SI40BX140 Standard Cylinder Specifications
- Model: SI40BX140
- Type: ISO 6432 compliant double-acting cylinder with magnetic piston
- Bore size: 40 mm
- Stroke: 140 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa (recommended 0.1–0.8 MPa)
- Cushioning: Adjustable air cushion at both ends
- Port size: M5x0.8 (G1/8 optional)
- Piston speed: 50–800 mm/s (lubricated condition)
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (Nitrile) standard / FKM (Viton) optional
- Body material: Aluminum alloy (anodized surface)
- Weight: 2.5 kg (±5%)
- Dimensions: 302mm(L) × 40mm(Ø) × 63mm(H) (with mounting brackets)
- Rod thread: M10x1.25 (external)
- Mounting options: Front flange (ISO 15552), rear pivot, foot mount
- Repeat positioning accuracy: ±0.5mm
- IP rating: IP65 (standard seals)
The SI40BX140 features precision honed tubing and double-sealed piston design for leak-free operation. Its integrated magnet enables position feedback when paired with magnetic sensors. The hard-anodized barrel provides exceptional wear resistance, supporting over 5,000 km cumulative travel distance at rated load.
- Automated assembly line clamping mechanisms
- CNC machine tool door actuators
- Packaging equipment pusher systems
- Automotive welding fixture positioning
- Pharmaceutical filling machine controls
Installation guidelines:
Ensure proper alignment of load direction with cylinder axis.
Use locknuts with 12-15 N·m torque for rod-end connections.
For vertical mounting, install speed controller at lower port.
| Property | Property Value |
|---|---|
| sku | SI40BX140 |
| 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 | SUS304 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <140mm> |
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.