
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 SGJ125X200-50 Steel Tube Adjustable Cylinder Specifications
- Model: SGJ125X200-50
- Type: Adjustable stroke steel tube cylinder (double-acting)
- Bore size: 125mm
- Stroke: 200mm (adjustable range: 50-200mm)
- Rod diameter: 45mm
- Operating pressure: 0.05–0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion + rubber buffer
- Port size: G1/2 (NPT1/2 optional)
- Mounting type: Basic type (MF1 flange optional)
- Seal material: NBR + polyurethane
- Tube material: Cold drawn precision steel pipe
- Weight: 12.8kg (excluding accessories)
- Dimensions: 
            - Extended length: 572mm
- Retracted length: 372mm
- Body diameter: 125mm
- Mounting base: 180×180mm
 
Heavy-duty adjustable stroke cylinder with hardened chromium piston rod (HRC45-50). Features dual-position locking mechanism for stroke adjustment and corrosion-resistant steel construction. Includes built-in magnet for position sensing compatibility. Requires ISO 8573-1:2010 [4:4:3] class compressed air.
- Press machine stroke control systems
- Automotive welding fixture positioning
- Foundry equipment mold clamping
- Heavy conveyor gate actuators
- Plastic injection molding ejectors
 Installation note: 
            Maintain horizontal mounting orientation for optimal performance. 
            Lubricate with ISO VG32 hydraulic oil before initial operation. 
            Allow 50mm clearance on rod end for full stroke adjustment.
 Installation note: 
            Maintain horizontal mounting orientation for optimal performance. 
            Lubricate with ISO VG32 hydraulic oil before initial operation. 
            Allow 50mm clearance on rod end for full stroke adjustment.
        - Loosen both end lock nuts using 17mm wrench
- Rotate adjustment screw (M12×1.25 pitch)
- 1 full rotation = 1.25mm stroke change
- Re-tighten lock nuts to 45N·m torque
| Property | Property Value | 
|---|---|
| sku | SGJ125X200-50 | 
| 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 | <200mm> | 
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.
 
              