
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 Steel Tube Type Adjustable Cylinder SGJ250X80-30 Specifications
- Model: SGJ250X80-30
- Type: Double-acting adjustable cushion cylinder
- Bore size: Ø250 mm
- Stroke: 80 mm (±0.5 mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable rubber buffers (both ends)
- Mounting style: MF2 (front flange with mounting holes)
- Port size: G3/8 (ISO standard)
- Operating temperature: -20℃ to 80℃
- Cylinder material: Cold drawn steel tube (STKM)
- Piston rod material: Chrome-plated carbon steel
- Seal material: NBR (nitrile rubber)
- Weight: Approx. 22.5 kg (without accessories)
- Dimensions: 435mm(L) × 250mm(W) × 250mm(H) (extended length)
- Rod end thread: M30×2.0
- Maximum speed: 500 mm/s
- Lubrication requirement: ISO VG32 hydraulic oil (optional oil-free)
Heavy-duty industrial cylinder with precision-machined steel construction, designed for high moment load applications. Features dual adjustable cushions for smooth deceleration and impact absorption. Corrosion-resistant chromed rod with integrated scraper seal prevents contamination ingress. Requires 40μm filtered air supply with recommended 1-1.5 MPa operating pressure for optimal performance.
- Metal stamping press ejection systems
- Automotive assembly line clamping units
- Foundry equipment actuation
- Heavy material handling gates/doors
- Paper mill roller positioning mechanisms
- Max side load: 850 N at mid-stroke
- Max permissible moment: 1,100 N·m
- Breakaway pressure: ≤0.08 MPa
- Repeat positioning accuracy: ±0.5 mm
| Property | Property Value |
|---|---|
| sku | SGJ250X80-30 |
| 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 | 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.