
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 SGJ125X75-20 Steel Tube Adjustable Cylinder Specifications
- Model: SGJ125X75-20
- Type: Adjustable stroke double-acting cylinder
- Bore size: Ø125mm (ISO 6432 standard)
- Stroke: 75mm (adjustable through stopper mechanism)
- Working pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (BSPP thread)
- Tube material: Cold drawn precision steel tube
- Piston rod: Hard chrome-plated carbon steel
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Weight: 5.8kg (without accessories)
- Dimensions: 
            - Extended length: 280mm
- Retracted length: 205mm
- Body diameter: 142mm
- Mounting base: 165×165mm square flange
 
- Accessory options: Magnetic switch slot (pre-installed), adjustable stroke nuts, reinforced rod end bearings
Heavy-duty steel cylinder with precision ground inner surface, designed for high moment load applications. Features double O-ring seals and corrosion-resistant plating, capable of 2,000km+ service life under standard conditions. The 20mm thick mounting flange enables stable installation in high vibration environments.
- Automotive welding fixture positioning
- Die casting machine ejection systems
- Construction equipment boom controls
- Heavy material handling gates
- Plastic injection molding clamp units
 Installation note: 
            Requires SAE 10-30 oil lubrication for initial operation. 
            Max side load capacity: 1,850N at mid-stroke. 
            Recommend using 40μm filtration and maintaining 0.3-0.6 MPa working pressure for optimal performance.
 Installation note: 
            Requires SAE 10-30 oil lubrication for initial operation. 
            Max side load capacity: 1,850N at mid-stroke. 
            Recommend using 40μm filtration and maintaining 0.3-0.6 MPa working pressure for optimal performance.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X75-20 | 
| Adjustable Stroke | <20mm> | 
| 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 | 75mm | 
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.
 
              