Airtac SI40 Standard Cylinder SI40BX250S
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 SI40BX250S Standard Cylinder Specifications
- Model: SI40BX250S
- Type: ISO 6432 standard double-acting cylinder
- Bore size: 40mm
- Stroke: 250mm
- Operating pressure: 0.15–1.0 MPa
- Piston speed: 50–800 mm/s
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/8 (Rc1/8 optional)
- Operating temperature: -20℃ to 80℃
- Seal material: NBR (HNBR/FKM optional)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Aluminum alloy (anodized)
- Weight: 2.8kg (without accessories)
- Dimensions: 350mm(L) × 63mm(W) × 63mm(H) (retracted length)
- Rod thread: M10×1.25 (male)
- Protection rating: IP65 (standard wipers)
- Mounting options: Basic front flange (MF1), optional foot mounts
High-precision industrial cylinder with exceptional lateral load capacity, featuring wear-resistant guide bands and corrosion-resistant coatings. The T-slot design allows flexible sensor mounting for position feedback. Optimized for medium-duty cycles up to 5 million operations with proper maintenance.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool door actuators
- Food processing conveyor gate controls
- Automotive welding fixture positioning
Installation notes:
- Align within 0.2mm angular misalignment tolerance
- Use locknuts (not included) for rod-end connections
- Lubricate with ISO VG32 hydraulic oil if non-lube version
- Adjust cushion screws 1/4 turn at a time during commissioning
| Property | Property Value |
|---|---|
| sku | SI40BX250S |
| 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 | 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.