
2. SG series features dual Y-type unidirectional piston seals with compensation mechanism, ensuring extended service life and low starting pressure. SGC series adopts specialized bidirectional sealing structure with compact dimensions and integrated lubrication reservoir;
3. SG series utilizes steel tube construction for enhanced impact resistance;
4. SGC series employs aluminum tube design with optional magnetic sensing ring (not available for SG series);
5. Precision-adjustable pneumatic cushioning system for smooth operation;
6. Comprehensive selection of cylinder sizes and mounting accessories;
7. High-temperature resistant seals enable operational range of 0-150°C.
Category: Standard Cylinders | Brand: AirTAC | Series: SGCJ200~250 Adjustable Stroke Cylinder
AirTAC SGCJ200~250 Adjustable Stroke Cylinder (SGCJ250X800-40S) Specifications
- Model: SGCJ250X800-40S
 - Series: SGCJ Adjustable Stroke Series
 - Bore Size: Ø250mm
 - Stroke: 800mm (adjustable within 0-800mm range)
 - Adjustment Mechanism: External mechanical stopper with locknut
 - Operating Pressure: 0.05-1.0 MPa
 - Operating Medium: Dry air (ISO8573-1:2010 Class 3)
 - Medium Temperature: -10℃ to 70℃ (non-freezing)
 - Cushioning: Rubber bumper + adjustable air cushion
 - Mounting Style: MF1 (basic front flange)
 - Port Size: G3/4 (NPT1 optional)
 - Body Material: Aluminum alloy (hard anodized)
 - Piston Rod: Chrome-plated carbon steel (Cr-Mo)
 - Seal Material: NBR + Polyurethane
 - Weight: 48.5kg ±2%
 - Dimensions (L×W×H): 
            
- Extended Length: 1290mm
 - Retracted Length: 490mm
 - Body Diameter: 270mm
 - Mounting Flange Thickness: 40mm
 
 - IP Rating: IP54 (standard wiper seal)
 - Lubrication: Pre-lubricated (ISO VG32 recommended)
 
High-precision industrial cylinder with infinite stroke adjustment capability through its dual locking mechanism. Features corrosion-resistant construction with 20μm hard anodized surface treatment for harsh environments. The 40S variant includes reinforced rod bearings for heavy side load applications.
- Press brake tool positioning systems
 - Automotive welding fixture height adjustment
 - Steel coil cutting machine stroke control
 - Plastic injection mold core pulling
 - Paper roll tensioning mechanisms
 
| Property | Property Value | 
|---|---|
| sku | SGCJ250X800-40S | 
| Adjustable Stroke | <40mm> | 
| Seal Material | Polyurethane | 
| 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 | 
| Magnet | S-Magnetic | 
| Bore Diameter | <250MM> → <250mm> | 
| Stroke | 800mm | 
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.