
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 Tube Adjustable Cylinder SGJ125X350-50 Technical Details
- Full Model Code: SGJ125X350-50
- Cylinder Type: Double-acting adjustable cushion
- Bore Size: Ø125mm (±0.5mm tolerance)
- Stroke: 350mm (Customizable 25-2000mm)
- Operating Pressure: 0.05–0.8 MPa (7-116 PSI)
- Cushioning: External adjustable pneumatic cushion
- Mounting Style: Front flange/Foot (MF1) + Rear end clevis (M9)
- Port Size: G1/2 (BSPP female threads)
- Temperature Range: -20℃ to 80℃ (NBR seals)/-10℃ to 70℃ (with grease)
- Tube Material: Cold drawn precision steel tube (chrome-plated inner surface)
- End Cover: Die-cast aluminum alloy (anodized)
- Piston Rod: Hard chrome-plated 45# steel
- Weight: Approx. 7.5kg (dry, without accessories)
- Dimensions: 612mm(L) × 155mm(W) × 155mm(H) (Full extended length)
Heavy-duty industrial cylinder featuring triple sealing system with wear-resistant guide rings and integrated locking nuts. The cold-rolled steel construction provides 30% higher rigidity than standard aluminum cylinders. Adjustable cushion valves allow precise end-position deceleration control (adjustment range: 0-90° rotation). Compatible with ISO 15552 mounting accessories.
- Metal stamping press ejection systems
- Injection molding machine clamp mechanisms
- Automotive welding fixture positioning
- Heavy material handling gates/doors
- Paper mill roller engagement systems
 Maintenance Protocol: 
            Lubricate via air line lubricator (ISO VG32 recommended). Perform seal replacement every 5 million cycles under standard load. Avoid side load exceeding 15% of maximum thrust capacity.
 Maintenance Protocol: 
            Lubricate via air line lubricator (ISO VG32 recommended). Perform seal replacement every 5 million cycles under standard load. Avoid side load exceeding 15% of maximum thrust capacity.
        - Magnetic version available (SGJ125X350-50-M9)
- Optional rod-end accessories: Spherical rod eye/Swivel yoke
- Custom stroke increments: 25mm steps
- Anti-rotation rod variants (SGJ-AR series)
| Property | Property Value | 
|---|---|
| sku | SGJ125X350-50 | 
| 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 | 350mm | 
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.
 
              