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 SI40BX165 Standard Cylinder Specifications
- Model: SI40BX165
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40 mm
- Stroke: 165 mm (±0.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃ (NBR seals)
- Port size: Rc1/4 (G1/4 optional)
- Cushioning: Adjustable elastic cushion at both ends
- Mounting style: Basic type (MF1) with multiple mounting options via 4x M5 threaded holes
- Piston rod material: Hard chrome-plated carbon steel (S45C)
- Cylinder tube: Anodized aluminum alloy (AL6063)
- Seal material: High-grade NBR with <3% compression set
- Protection rating: IP65 (rod gland area)
- Weight: 2.3 kg (without accessories)
- Dimensions: 256mm(L) × 40mm(Bore) × 62mm(Mounting height)
- Max theoretical force: 1256N @ 1.0MPa (extend), 1130N @ 1.0MPa (retract)
- Piston speed: 50–800 mm/s (optimal range)
A high-rigidity mid-sized cylinder featuring precision honed tubing and dual anti-rotation guides. The SI40BX165 delivers exceptional straight-line accuracy (±0.5° angular deviation) with tungsten carbide-coated wear rings for reduced friction. Optional magnetic piston version (SI40BX165-M9L) enables position feedback when paired with sensors.
- Clamping fixtures in CNC machining centers
- Material transfer systems with guided carrier rails
- Automated packaging line pusher mechanisms
- Plastic injection molding ejector units
- Textile machinery tension control systems
| Property | Property Value |
|---|---|
| sku | SI40BX165 |
| 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 | 165 mm |
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.









