2. Dual Y-shaped axial seals on piston for automatic wear compensation, extended service life, and low friction coefficient
3. Crisscross pattern reinforced cylinder tube with stainless steel tie rods, delivering superior corrosion resistance
4. Precisely adjustable cushioning mechanism ensures smooth stroke operation
5. Customizable with multiple stroke lengths and compatible mounting accessories for flexible system integration
Category: Adjustable Cylinders | Brand: Airtac | Series: SIJ63
AirTAC SIJ63X250-20S Double Rod Adjustable Cylinder Specifications
- Model: SIJ63X250-20S
- Type: Double rod adjustable stroke cylinder
- Bore size: Ø63mm
- Stroke: 250mm (adjustable)
- Rod type: Dual chrome-plated steel rods
- Operating pressure: 0.1–0.9 MPa
- Mounting style: Basic type (optional foot/m flange)
- Port size: PT1/4 (G1/4 optional)
- Cushioning: Adjustable pneumatic cushion
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP40
- Weight: 3.8kg ±2%
- Dimensions: 350mm(L) × 102mm(W) × 83mm(H)
A precision dual-rod cylinder featuring independent stroke adjustment through external mechanical stops (included). The symmetrical rod design minimizes lateral deflection under eccentric loads, with hardened guide rods providing exceptional wear resistance. Includes built-in magnetic sensor slots for position feedback compatibility.
- CNC machine tool clamping mechanisms
- Precision glass panel handling systems
- Automated welding positioners
- Pharmaceutical blister packaging machines
- Lithium battery stacking equipment

Property | Property Value |
---|---|
sku | SIJ63X250-20S |
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℃ to 80℃ Speed Range: 30-800 mm/s |
Port Size | PT3/8 |
Magnet | S-Magnetic |
Bore Diameter | 63mm |
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.