Airtac SI40 Standard Cylinder SI40X275S
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 SI40X275S Standard Cylinder Specifications
- Model: SI40X275S
- Type: ISO 6432 compliant single-acting/double-acting pneumatic cylinder
- Bore size: 40mm
- Stroke: 275mm (±0.5mm tolerance)
- Operating pressure: 0.05-1.0 MPa
- Max thrust: 125.6N (at 1.0MPa, double-acting)
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/8 (M5x0.8 optional)
- Mounting type: Basic front flange (ISO 15552 standard)
- Rod material: Hard chrome-plated stainless steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber) standard
- Weight: 3.68kg (with magnetic switch)
- Dimensions:
- Total length: 444mm (stroke 275 + end caps)
- Body diameter: 40mm (±0.1mm)
- Rod diameter: 16mm
- Mounting hole spacing: 36mm (vertical) × 32mm (horizontal)
- Protection rating: IP65 (with wiper seal)
- Max speed: 500-800mm/s (with cushion adjustment)
A heavy-duty industrial cylinder featuring precision honed tubing and triple sealing system. The SI40X275S combines 1.5mm thick anodized coating with wear-resistant rod guides, achieving 3,000km service life under standard conditions. Compatible with AT/AP series magnetic switches (sold separately) for position feedback.
- Metal stamping press ejection systems
- Automated assembly line clamping devices
- Packaging machine vertical lift mechanisms
- Plastic injection molding machine core pulls
- Warehouse door actuation systems
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use. Avoid side load exceeding 30N.
For vertical mounting, use double-acting configuration with speed controller. Magnetic switch
gap should be maintained at 1-3mm from piston.
| Property | Property Value |
|---|---|
| sku | SI40X275S |
| 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 | 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.