
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 SGJ250X900-100 Technical Specifications
- Model: SGJ250X900-100
- Type: Steel pipe construction with adjustable stroke
- Bore size: Ø250mm
- Stroke length: 900mm (adjustable)
- Rod end type: External thread M45×2 (ISO standard)
- Operating pressure: 0.05-1.0 MPa
- Operating medium: Clean air (ISO8573-1:2010 Class 3.4.2)
- Ambient temperature: -20℃ to 80℃
- Cushioning type: Adjustable rubber bumper (both ends)
- Mounting style: MF1 basic fixed mounting
- Port size: G1-1/2 (NPT1-1/2 optional)
- Piston speed: 50-750 mm/s (lubricated condition)
- Weight: Approximately 62.5kg (excluding accessories)
- Dimensions: 
            - Extended length: 1,380mm
- Retracted length: 480mm
- Body diameter: 273mm (pipe OD)
- Mounting base: 320×320mm
 
- Seal material: HNBR (Hydrogenated Nitrile) with wear ring
- Protection class: IP65 (rod gland area)
- ISO standard: 15552 compliant
Heavy-duty steel cylinder designed for long-stroke applications requiring precise positioning. Features double-acting operation with corrosion-resistant electroplated piston rod (Cr-plated, 20-25μm thickness). Integrated magnetic sensor slots enable position feedback installation. Requires air lubrication (ISO VG32 equivalent recommended).
- Automotive production line lifting mechanisms
- Shipbuilding plate pressing fixtures
- Construction machinery boom positioning
- Steel coil handling systems
- Large-scale injection molding machine ejectors
 Installation requirements: 
            Maintain 0.5mm minimum alignment tolerance during mounting. 
            Requires weekly lubrication through built-in grease nipples (Shell Alvania R3 recommended). 
            Maximum side load capacity: 1,800N at mid-stroke.
 Installation requirements: 
            Maintain 0.5mm minimum alignment tolerance during mounting. 
            Requires weekly lubrication through built-in grease nipples (Shell Alvania R3 recommended). 
            Maximum side load capacity: 1,800N at mid-stroke.
        | Property | Property Value | 
|---|---|
| sku | SGJ250X900-100 | 
| 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 1/8 | 
| Cushion Stroke | 60mm | 
| Bore Diameter | <250MM> → <250mm> | 
| Stroke | <900mm> | 
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.
 
              