
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 SGJ200X300-30 Specifications
- Model: SGJ200X300-30
 - Type: Double-acting adjustable stroke cylinder (steel tube construction)
 - Bore size: 200 mm
 - Stroke: 300 mm (adjustable via external stoppers)
 - Operating pressure: 0.05–1.0 MPa
 - Cushioning: Adjustable pneumatic cushion (both ends)
 - Operating temperature: -20℃ to 80℃
 - Port size: G1/2 (NPT1/2 optional)
 - Mounting type: Basic type (no built-in mount, requires separate bracket)
 - Tube material: Cold drawn precision steel with chromed piston rod
 - Seal material: NBR + PU hybrid seals
 - Weight: 19.8 kg ±5% (excluding accessories)
 - Dimensions: 
            
- Total length (L): 630 mm (at full extension)
 - Body diameter (W): 230 mm
 - Height (H): 230 mm (including rod end fittings)
 
 - Rod thread: M20×1.5
 - Lubrication: Pre-lubricated (recommended relubrication every 500km stroke)
 - ISO standard: Compliant with ISO 15552 (formerly ISO 6431)
 
Heavy-duty adjustable stroke cylinder designed for precision positioning in high-moment applications. Features dual adjustable cushions with locknuts for vibration-resistant setting retention. The steel tube construction provides enhanced rigidity for side load resistance, with chrome-plated rod offering 2μm surface roughness for optimal seal life.
- Press machine ejection systems requiring variable stroke control
 - Automotive welding fixture positioning
 - Paper roll clamping mechanisms in converting equipment
 - Heavy material gate actuation in foundries
 - Plastic injection molding machine core pulls
 
| Property | Property Value | 
|---|---|
| sku | SGJ200X300-30 | 
| Adjustable Stroke | 30mm | 
| 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 | 300mm | 
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.