Airtac SI40 Standard Cylinder SI40X625S
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 SI40X625S Standard Cylinder Specifications
- Model: SI40X625S
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 625mm (±0.5mm tolerance)
- Operation type: Double-acting
- Working pressure: 0.15-1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Piston rod material: Chrome-plated stainless steel (SUS304)
- Tube material: Anodized aluminum alloy (AL6063-T5)
- Seal material: NBR (Nitrile rubber) with wear-resistant ring
- Temperature range: -20℃ to 80℃ (with silicone seals optional for 150℃)
- Port size: G1/8 (ISO standard thread)
- Mounting type: Basic profile (ISO 15552 mounting accessories compatible)
- Weight: 5.8kg (without accessories)
- Dimensions: 725mm(L) × 56mm(W) × 56mm(H) (extended length at mid-stroke)
- Max theoretical force: 1256N at 0.63MPa (calculated)
- Piston speed: 50-750mm/s (lubricated operation)
- ISO certification: ISO 6432:2015 compliant
The SI40X625S industrial cylinder features precision honed tubing and dual adjustable air cushions for smooth operation in long-stroke applications. Its hardened piston rod with multi-lip seals ensures 2,000km+ service life under standard conditions. The modular design allows integration with magnetic sensors (SM series) for position feedback.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Automotive welding fixture positioning
- Packaging machine vertical lift mechanisms
- Textile machinery tension control systems
Installation note:
Maintain proper rod alignment (max 0.2° angular misalignment). For vertical mounting,
use guided carriage units. Lubricate with ISO VG32 hydraulic oil if operating below 0℃.
Allow 20mm clearance for cushion adjustment screws.
| Property | Property Value |
|---|---|
| sku | SI40X625S |
| 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 | 625mm |
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.