
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 Adjustable Cylinder SGJ125X700-30 Technical Details
- Model: SGJ125X700-30
- Type: Steel tube adjustable stroke double-acting cylinder
- Bore size: Φ125mm (4.92")
- Stroke: 700mm (adjustable within 0-700mm range)
- Operating pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Adjustable rubber buffer + fixed cushion
- Port size: Rc1" (NPT1" optional)
- Mounting type: Basic type (MF1) with adjustable rod rotation
- Rod material: Hard chrome-plated carbon steel
- Tube material: Cold drawn precision steel tube
- Weight: ~23.5kg (51.8 lbs) ±3%
- Dimensions (L×W×H): 
            - Retracted length: 978mm
- Extended length: 1678mm
- Mounting base: 180mm × 180mm
- Rod end thread: M48×1.5
 
- Piston seal: HNBR with wear-resistant ring
- ISO standard: 15552 compliant
Heavy-duty adjustable stroke cylinder featuring seamless steel tube construction with 30μm inner surface roughness. Precision honed bore with integrated cushioning system prevents impact damage at stroke ends. Dual adjustable stoppers enable precise stroke limitation through hexagonal wrench adjustment (included). Corrosion-resistant design with IP65 protection rating.
- Press machine ejection systems
- Automotive welding fixture positioning
- Foundry equipment for mold handling
- Heavy conveyor gate actuation
- Plastic injection molding machine components
 Installation guidelines: 
            Use M12 mounting bolts (minimum grade 8.8) with anti-loosening washers. 
            Lubricate rod with ISO VG32 hydraulic oil before initial operation. 
            Allow 50mm clearance behind rod end for full extension. 
            Max side load capacity: 850N at mid-stroke.
 Installation guidelines: 
            Use M12 mounting bolts (minimum grade 8.8) with anti-loosening washers. 
            Lubricate rod with ISO VG32 hydraulic oil before initial operation. 
            Allow 50mm clearance behind rod end for full extension. 
            Max side load capacity: 850N at mid-stroke.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X700-30 | 
| Adjustable Stroke | 30mm | 
| 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 | 700mm | 
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.
 
              