Airtac SI40 Standard Cylinder SI40X250SLB
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 SI40X250SLB Standard Cylinder Specifications
- Model: SI40X250SLB
- Type: Double-acting pneumatic cylinder with magnetic piston
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 250mm (±1.5mm tolerance)
- Port size: G1/8 (BSPP thread)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable rubber buffers (both ends)
- Piston rod material: Chrome-plated carbon steel (HRC 35-45)
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal material: Heat-resistant NBR (Nitrile)
- Temperature range: -20℃ to 80℃
- Max speed: 500-800 mm/s (lubricated)
- Mounting options: Basic type (no foot) with MF1 front flange & rear pivot
- Magnetic sensor compatibility: M9/M12 proximity sensors (non-inductive)
- Weight: 2.35kg (excluding accessories)
- Dimensions: 408mm(L) × 50mm(W) × 50mm(H) (at full retraction)
Industrial-grade pneumatic cylinder featuring precision honed tube and corrosion-resistant anodized finish. The SI40 series incorporates a dual-seal design with wiper ring for contamination prevention. Requires ISO VG32 hydraulic oil mist lubrication (0.1-0.3cc/min recommended). Maximum side load capacity: 25N at mid-stroke.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool part positioning
- Automotive welding fixture actuators
- Packaging machine lid pressurization
Installation note:
Maintain 0.05mm maximum misalignment during mounting. For vertical installations exceeding 45° angle,
use rod-end support brackets (ASQ-40 recommended). Lubricate through air supply for first 30 minutes of operation.
| Property | Property Value |
|---|---|
| sku | SI40X250SLB |
| 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 | <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.