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 SIJ63 Double Rod Adjustable Cylinder SIJ63X25-20S Specifications
- Model: SIJ63X25-20S
- Type: Double rod adjustable stroke cylinder
- Bore size: Ø63mm
- Stroke: 25mm (adjustable)
- Rod diameter: Ø20mm (both rods)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Rubber buffer + adjustable stopper
- Mounting type: Basic type (optional flange/bracket kits)
- Port size: PT1/4 (G1/8 optional)
- Temperature range: -10℃ to 80℃
- Body material: Aluminum alloy (hard anodized)
- Rod material: Stainless steel (SUS304)
- Seal material: NBR/PU (oil-resistant)
- Weight: 2.85kg (without accessories)
- Dimensions: 200mm(L) × 63mm(W) × 86mm(H)
- Repeat positioning accuracy: ±0.5mm
- Max lateral load capacity: 350N
A precision double-rod cylinder featuring micrometer-style stroke adjustment (20S suffix indicates 20mm adjustment range). The twin rod design provides enhanced stability for vertical installations and precise linear motion control. Includes locknut-equipped adjustment screws for position fixing. Requires ISO VG32 or equivalent hydraulic oil lubrication for optimal performance.
- Precision clamping fixtures in CNC machining centers
- Material positioning gates in automated assembly lines
- Vertical lifting mechanisms for packaging machinery
- Press-fit operations in automotive component assembly
- Semiconductor wafer handling equipment

Property | Property Value |
---|---|
sku | SIJ63X25-20S |
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 | <25 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.