Airtac SGJ Steel Tube Type Adjustable Cylinder SGJ250X250-20
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 SGJ250X250-20 Technical Details
- Model Code: SGJ250X250-20
- Type: Double-acting adjustable cushion cylinder
- Bore size: Ø250mm (ISO 6432 standard)
- Stroke: 250mm (±0.5mm tolerance)
- Tube material: Cold drawn precision steel tube (STKM)
- Piston rod: Chrome-plated steel (HRC 45-50)
- Operating pressure: 0.05-0.8 MPa (0.5-8 bar)
- Cushion type: External adjustable rubber bumper (both ends)
- Mounting style: MF12 square flange base (ISO 15552 compatible)
- Ambient temperature: -20℃ to +80℃
- Lubrication: Pre-lubricated (Optional oil-free operation)
- Port size: G1-1/2 (BSPP thread)
- Weight: 58.7kg (dry, without accessories)
- Dimensions:
- Length: 715mm (full extension)
- Body diameter: Ø274mm (including cushion nuts)
- Mounting base: 250×250mm square pattern
Heavy-duty industrial cylinder featuring wear-resistant steel construction and precision honed inner tube surface (Ra ≤0.4μm). The dual adjustable cushioning system minimizes end-impact in high-speed applications (max piston speed 1.5m/s). Includes integrated magnet for position sensing compatibility. Requires 40μm filtered air with optional auto-switch lubrication (ISO VG32 recommended).
- Metal stamping press ejection systems
- Automotive welding fixture positioning
- Paper roll handling machinery
- Shipbuilding plate bending equipment
- Construction material compression molds
Installation guidelines:
Maximum side load 15% of thrust rating. Use M20x1.5 mounting bolts (grade 8.8 or higher).
Allow 100mm front clearance for rod extension. Perform initial lubrication cycle (5-10 full strokes) before load operation.
| Property | Property Value |
|---|---|
| sku | SGJ250X250-20 |
| Adjustable Stroke | <20mm> |
| 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 | <250MM> → <250mm> |
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.