Airtac SGJ Steel Tube Type Adjustable Cylinder SGJ250X50-50
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 SGJ250X50-50 Steel Pipe Adjustable Cylinder Specifications
- Model: SGJ250X50-50
- Type: Double-acting adjustable stroke cylinder (steel pipe construction)
- Bore size: Ø250mm ±0.5mm tolerance
- Stroke: 50mm (adjustable range ±3mm)
- Operating pressure: 0.1-0.9 MPa
- Cushioning type: External adjustable air cushion
- Mounting style: MF1 basic front flange (ISO 15552 compatible)
- Port size: G3/4 (BSPP thread)
- Piston rod thread: M36×2 external thread
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Material: Cold drawn steel pipe body, SUS304 stainless steel piston rod
- Weight: 31.5kg ±5% (without accessories)
- Dimensions: 348mm(L) × 260mm(W) × 260mm(H) (retracted state)
- Protection rating: IP65 (rod seal), IP40 (overall)
- Lubrication: Pre-lubricated (relubrication interval: 500km stroke)
Heavy-duty steel cylinder with precision ground inner surface (Ra≤0.4μm) for smooth operation. Features dual-position stroke adjustment through external locknuts and a wear-resistant chromium-plated piston rod. The reinforced flange design withstands 200% momentary overload pressure. Requires 40μm filtered compressed air with ISO VG32 hydraulic oil mist lubrication (0.5-1.0g/m³).
- Press machine ejection systems (die casting/forging)
- Heavy material clamping in CNC machining centers
- Steel coil handling equipment in rolling mills
- Injection molding machine core-pull mechanisms
- Shipbuilding jig positioning systems
Installation protocol:
Mount using M20×1.5 mounting bolts (min. grade 8.8) with anti-vibration washers.
Allow 1.5× bore diameter clearance (375mm) for full extension. Lubricate guide bushings
every 200,000 cycles using specified grease (AIRTAC AL-2).
| Property | Property Value |
|---|---|
| sku | SGJ250X50-50 |
| Adjustable Stroke | <50mm> |
| 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.