
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 SGCJ250X80-50 Adjustable Cylinder Specifications
- Series: SGCJ200~250 (Adjustable Stroke Series)
 - Model: SGCJ250X80-50
 - Bore size: Ø250 mm
 - Stroke: 80 mm (Adjustable range: 50-150% of nominal stroke)
 - Operating pressure: 0.1~0.9 MPa
 - Cushioning: Adjustable pneumatic cushion (dual-side)
 - Mounting type: Basic type (MF1) with front/rear flange options
 - Port size: G3/8 (ISO standard thread)
 - Piston rod material: Chrome-plated carbon steel (C45E)
 - Cylinder tube: Hard anodized aluminum alloy
 - Seal material: NBR (Nitrile rubber) with wear-resistant ring
 - Ambient temperature: -20℃ to +80℃
 - Weight: 18.6 kg (with standard accessories)
 - Dimensions: 398mm(L) × 250mm(W) × 250mm(H)
 - Stroke adjustment: Mechanical stopper with locknut
 - Rod end: Female thread M30×1.5
 - Lubrication: Pre-lubricated (Oil-free operation possible)
 
High-torque adjustable stroke cylinder with precision positioning capability. Features dual adjustable cushions for smooth end-of-stroke deceleration and integrated mounting grooves for flexible installation. The hardened piston rod surface (HRC 45-50) ensures extended service life in high-cycle applications.
- Die casting machine ejection systems
 - Automotive welding fixture positioning
 - Heavy-duty clamping in CNC machining centers
 - Paper roll handling equipment
 - Plastic injection molding machine gates
 
| Property | Property Value | 
|---|---|
| sku | SGCJ250X80-50 | 
| Adjustable Stroke | <50mm> | 
| 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 | Non-magnetic | 
| Bore Diameter | <250MM> → <250mm> | 
| Stroke | 80 mm | 
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.