
2. SG series adopts dual Y-type unidirectional piston seals with self-compensating design, delivering extended service life and low starting pressure. SGC series features space-saving asymmetric bidirectional seals with oil reservoir functionality;
3. SG series utilizes steel cylinder construction with exceptional impact resistance;
4. SGC series employs aluminum cylinder tubes compatible with optional magnetic piston position sensing (not available for SG series);
5. Precision adjustable pneumatic cushioning mechanism ensures smooth deceleration;
6. Comprehensive range of bore sizes and mounting accessories for flexible system integration;
7. High-temperature resistant seals enable reliable operation from 0°C to 150°C.
Category: Standard Cylinders | Brand: AirTAC | Series: SGJ Adjustable Steel Cylinder Series
AirTAC SGJ Steel Tube Type Adjustable Cylinder SGJ125X800-50 Specifications
- Model: SGJ125X800-50
- Type: Double-acting adjustable stroke cylinder
- Bore size: Φ125mm
- Stroke: 800mm (adjustable range: 50-800mm)
- Operating pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable elastic cushion
- Mounting style: MF2 basic type (ISO/VDS standard)
- Port size: G1/2 (NPT1/2 optional)
- Tube material: Cold drawn precision steel tube
- Piston rod material: Chrome-plated carbon steel
- Seal material: NBR+PU combination
- Weight: 24.5kg ±3%
- Dimensions: 
            - Extended length: 1,235mm
- Retracted length: 435mm
- Body diameter: Φ140mm
- Mounting base: 165×165mm
 
- Lubrication: Pre-lubricated (relubrication interval: 3,000km)
- Protection rating: IP54 (standard wiper design)
Heavy-duty industrial cylinder featuring precision-ground steel construction with wear-resistant chromium plating. The adjustable stroke mechanism allows precise end-position tuning through its 50mm incremental locking system. Enhanced rod guidance with dual bronze bearings ensures stability in long-stroke applications.
- Automotive production line clamping fixtures
- Injection molding machine ejector systems
- Steel coil handling equipment
- Paper mill roller positioning
- Shipbuilding jig actuators
 Installation note: 
            Requires minimum 0.3mm/m alignment tolerance. For vertical mounting, 
            use rod-end support bracket (optional accessory ASF-125). Lubricate 
            guide shafts monthly with ISO VG32 hydraulic oil.
 Installation note: 
            Requires minimum 0.3mm/m alignment tolerance. For vertical mounting, 
            use rod-end support bracket (optional accessory ASF-125). Lubricate 
            guide shafts monthly with ISO VG32 hydraulic oil.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X800-50 | 
| Adjustable Stroke | <50mm> | 
| Seal Material | NBR | 
| 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°C to 70°C Speed Range: 30 to 500 mm/s | 
| Port Size | PT 1/2 | 
| Cushion Stroke | <40mm> | 
| Bore Diameter | 125mm | 
| Stroke | 800mm | 
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.
 
              