
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 Series Steel Pipe Adjustable Cylinder SGJ125X400-100 Technical Details
- Full Model: SGJ125X400-100
- Type: Adjustable stroke steel pipe cylinder (double-acting)
- Bore size: Ø125mm (ISO standard)
- Stroke: 400mm ±1.5mm (adjustable cushioning)
- Thread specification: M100×2 mounting threads
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃ (dry air required)
- Cushion type: External adjustable rubber buffer
- Port size: G1/2 (BSPP)
- Piston rod material: Chrome-plated carbon steel (Cr-Mo)
- Tube material: Cold drawn precision steel pipe (STKM)
- Seal material: NBR+PU hybrid seals
- Weight: 24.5kg ±3% (excluding accessories)
- Dimensions: 895mm(L) × 170mm(W) × 170mm(H) (max extended length)
- Lubrication: Pre-lubricated (ISO VG32 recommended for maintenance)
- Mounting: Front flange/Foot mount (optional rear pivot)
Heavy-duty steel cylinder with precision-ground inner surface, featuring external stroke adjustment and dual cushioning control. The hardened piston rod and triple sealing system ensure leak-proof operation in high-cycle applications. Requires 40μm filtered air with 1-10mg/m³ oil mist content.
- Automotive welding fixture positioning
- Foundry equipment clamping mechanisms
- Construction machinery boom actuators
- Heavy material handling systems
- Shipbuilding jig positioning
 Installation guidelines: 
            Allow 15mm minimum lateral clearance for cushion adjustment. 
            Use locknuts with 250-300N·m torque during mounting. 
            Perform stroke calibration after every 50,000 cycles in high-vibration environments.
 Installation guidelines: 
            Allow 15mm minimum lateral clearance for cushion adjustment. 
            Use locknuts with 250-300N·m torque during mounting. 
            Perform stroke calibration after every 50,000 cycles in high-vibration environments.
        | Property | Property Value | 
|---|---|
| sku | SGJ125X400-100 | 
| Adjustable Stroke | 100mm | 
| 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 | <400mm> | 
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.
 
              