Airtac SGJ Steel Tube Type Adjustable Cylinder SGJ250X50-20
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 SGJ250X50-20 Technical Details
- Full model designation: SGJ250X50-20
- Bore size: Ø250 mm (9.84")
- Stroke: 50 mm (adjustable cushion)
- Operating pressure: 0.05-1.0 MPa (7-145 PSI)
- Piston rod thread: M30×1.5
- Port size: G1/2 (BSPP female)
- Cushion type: External adjustable rubber bumper
- Mounting style: MF1 front flange with through holes (ISO 15552 standard)
- Tube material: Cold drawn precision steel tube with internal chroming
- Seal material: High-grade NBR + PU combination
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Max piston speed: 500 mm/s (with cushion)
- Weight: 23.8 kg (52.5 lbs)
- Dimensions:
- Extended length: 628 mm
- Retracted length: 578 mm
- Body diameter: 273 mm
- Mounting flange: 310×310 mm square
- Rod end: Female threaded with anti-rotation flats
- Accessories: Built-in magnet for position sensing (optional switch kit)
Heavy-duty industrial cylinder engineered for high moment load applications requiring precise stroke adjustment. Features double-acting operation with corrosion-resistant chromium-plated inner surface for smooth movement. The 3-stage cushioning system minimizes end-impact noise (adjustable via external screws ±3mm). Pre-lubricated for maintenance-free operation up to 3,000 km travel distance.
- Metal stamping press ejection systems
- Injection molding machine clamp mechanisms
- Steel coil handling equipment
- Paper mill roller positioning
- Shipbuilding fixture actuators
- Mining conveyor gate controls
Installation protocol:
Use grade 12.9 mounting bolts torqued to 180 N·m. Maintain 0.5° maximum angular misalignment.
For vertical mounting, install rod end downward to prevent piston scoring. Lubricate with ISO VG32
hydraulic oil if used in continuous cycling applications.
| Property | Property Value |
|---|---|
| sku | SGJ250X50-20 |
| Adjustable Stroke | <20mm> |
| 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 | <50mm> |
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.