1. ISO15552 (formerly ISO6431) standard compliant cylinder
2. Features asymmetric bidirectional sealing structure with compact dimensions and integrated oil reservoir function in piston sealing
3. H-shaped aluminum tubing with rodless design enhances corrosion resistance; External sensor mounting grooves enable quick installation
4. Smooth and stable cushion adjustment mechanism
5. Multiple cylinder specifications and mounting accessories available for versatile applications
6. High-temperature resistant sealing materials support operating temperature range of 0~150℃
Category: Standard Cylinders | Brand: AIRTAC | Series: SAIJ63
AirTAC SAIJ63BX650-20S Adjustable Stroke Cylinder Specifications
- Model: SAIJ63BX650-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63 mm
- Stroke: 650 mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -10℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Standard mounting bracket (ISO 15552 compliant)
- Port size: Rc1/4 (NPT1/4 optional)
- Piston material: Aluminum alloy with hard anodized surface
- Rod material: Hardened stainless steel (Cr-Mo steel base)
- Seal material: NBR (Nitrile) with wear-resistant ring
- Weight: 15.8 kg ±3%
- Dimensions (L×W×H): 1050mm × 85mm × 85mm (at full extension)
- Rod thread: M20×1.5 external thread
- Max theoretical force: 3120N @ 0.7MPa
- Speed range: 50–800 mm/s
- Protection rating: IP54 (standard wiper seal)
High-precision industrial cylinder featuring stroke adjustment locking mechanism with 5mm incremental markings. The 20S variant includes reinforced end caps and wear-resistant guide bands for heavy cyclic operations. Requires 5-40μm filtered air with lubrication (ISO 8573-1:2010 Class 4).
- Automated material handling systems
- Plastic injection molding machine ejectors
- Automotive assembly line positioning
- Press tooling applications requiring variable stroke
- Packaging line product height adjustment
- Loosen 4 adjustment bolts using 5mm hex key
- Slide end stopper to desired position (use calibration scale)
- Retighten bolts in cross pattern (12-15 N·m torque)
- Perform test stroke before full operation
| Property | Property Value |
|---|---|
| sku | SAIJ63BX650-20S |
| Adjustable Stroke | <20mm> |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 650mm |
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.









