
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 SGJ125X700-50 Technical Details
- Full Model Code: SGJ125X700-50
- Bore Size: 125mm (ISO 6432 standard)
- Stroke: 700mm (±0.5mm tolerance)
- Adjustment Range: 50mm (Built-in stroke adjuster)
- Operating Pressure: 0.1-0.9 MPa
- Piston Speed: 50-1000 mm/s (lubricated condition)
- Cushioning: Adjustable hydraulic shock absorber (both ends)
- Tube Material: Cold drawn precision steel tube (hard chrome plated)
- Rod Material: SCM435 alloy steel (hardened & chrome plated)
- Seal Type: NBR + PU combination seals
- Temperature Range: -20℃ to +80℃
- Port Size: G3/4 (ISO 1179-1 standard)
- Mounting: Basic type (optional accessories: MF12 flange or MYT12 foot)
- Weight: 34.7 kg (without accessories)
- Dimensions: 
            - Extended Length: 1,085mm
- Retracted Length: 385mm
- Body Diameter: 142mm (max OD)
- Rod End Thread: M56×2
 
Industrial-grade heavy-duty cylinder featuring dual anti-rotation design and wear-resistant chromium layer (≥20μm). The integrated oil buffer with locknut adjustment enables precise end-position control, while the double-sealed piston design achieves ≤0.5mm/s creep speed. Requires ISO VG32 hydraulic oil lubrication for optimal performance.
- Steel mill slab pusher mechanisms
- Automotive press line transfer systems
- Injection molding machine ejectors
- Shipbuilding plate bending equipment
- Mining conveyor tensioning devices
 Maintenance Protocol: 
            Lubricate every 500km stroke travel using AirTAC PPS-L01 grease. 
            Avoid side load exceeding 150N·m. For vertical mounting, install rod-end support bracket (optional MYC12).
 Maintenance Protocol: 
            Lubricate every 500km stroke travel using AirTAC PPS-L01 grease. 
            Avoid side load exceeding 150N·m. For vertical mounting, install rod-end support bracket (optional MYC12).
        - Max lateral load: 1,250N at mid-stroke
- Bucking resistance: ≥15kN (Euler's formula calculation)
- Cycle life: 5,000km (under standard pressure with lubrication)
| Property | Property Value | 
|---|---|
| sku | SGJ125X700-50 | 
| 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 | 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.
 
              