
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 SGJ250X400-30 Specifications
- Model: SGJ250X400-30
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø250 mm
- Stroke: 400 mm (adjustable)
- Operating pressure: 0.1-1.0 MPa
- Cushioning: Adjustable hydraulic cushion (both ends)
- Mounting style: MF1 series basic mounting with adjustable stopper
- Port size: G1-1/2 (NPT optional)
- Tube material: High-strength steel tube with hard chrome-plated rod
- Seal material: NBR (Nitrile Butadiene Rubber)
- Temperature range: -20℃ to +80℃
- Lubrication: Required (ISO VG32 or equivalent)
- Weight: 38.5 kg (excluding accessories)
- Dimensions:
- Extended length: 1,050 mm
- Retracted length: 650 mm
- Body diameter: 273 mm (outer tube)
- Rod diameter: Ø50 mm
- Protection rating: IP65 (standard wiper design)
Heavy-duty industrial cylinder with precision stroke adjustment mechanism, featuring double corrosion-resistant treatment (chromium plating + phosphate coating) for harsh environments. The integrated hydraulic cushioning system minimizes end-impact noise while allowing ±5mm stroke fine-tuning via external adjustment screws. Requires periodic lubrication every 5,000km operation.
- Metal stamping press ejection systems
- Automotive assembly line positioning devices
- Injection molding machine core-pulling mechanisms
- Heavy material handling in foundries
- Paper mill roller adjustment systems
| Property | Property Value |
|---|---|
| sku | SGJ250X400-30 |
| 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 | PT 1/8 |
| Cushion Stroke | 60mm |
| Bore Diameter | <250MM> → <250mm> |
| Stroke | <400mm> |
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.