
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 SGJ200X450-40 Technical Specifications
- Full Model Code: SGJ200X450-40
 - Type: Double-acting adjustable cushioning cylinder (steel tube construction)
 - Bore Size: Ø200mm (±0.5mm manufacturing tolerance)
 - Stroke: 450mm (adjustable stroke range: 450±2mm)
 - Mounting Style: MF1-Flange mounting (ISO 15552 standard)
 - Operating Pressure: 0.15-1.0 MPa (15-145 PSI)
 - Temperature Range: -20℃ to +80℃ (NBR seals)/ -20℃ to +150℃ (optional FKM seals)
 - Cushioning: Adjustable pneumatic cushioning at both ends
 - Port Size: G3/4 (BSPP thread) with 2x air inlet/outlet ports
 - Piston Rod Thread: M36x2 external thread (chrome-plated)
 - Tube Material: Cold drawn precision steel tube (ST52.4)
 - End Caps: Aluminum alloy ADC12 with hard anodized finish
 - Rod Seal: Triple-lip seal design with integrated wiper
 - Weight: 28.5kg (excluding mounting accessories)
 - Dimensions: 
            
- Extended Length: 928mm (stroke + cylinder body)
 - Retracted Length: 478mm
 - Body Diameter: Ø216mm (tube OD)
 - Mounting Flange: 250x250mm square pattern
 
 - ISO Certification: Compliant with ISO 15552 (formerly ISO 6431)
 - Optional Accessories: Magnetic sensor kit (D-A93), shock absorber, rod lock
 
Heavy-duty industrial cylinder engineered for high-load applications requiring precision stroke control. Features dual adjustable pneumatic cushions with 270° rotation adjustment screws for precise deceleration. The steel tube construction provides enhanced rigidity compared to aluminum models, with corrosion-resistant chromed piston rod (hardness HRC 45-50). Includes built-in auto lubrication grooves for extended seal life.
- Metal stamping press ejection systems
 - Automotive welding fixture positioning
 - Injection molding machine clamp mechanisms
 - Shipbuilding plate bending equipment
 - Heavy material handling in foundries
 - Construction machinery actuator systems
 
| Property | Property Value | 
|---|---|
| sku | SGJ200X450-40 | 
| Adjustable Stroke | <40mm> | 
| 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 | BSPT 3/4 | 
| Cushion Stroke | <50mm> | 
| Bore Diameter | <200mm> | 
| Stroke | 450mm | 
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.