Airtac SGJ Steel Tube Type Adjustable Cylinder SGJ250X300-20
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 SGJ250X300-20 Technical Details
- Full model: SGJ250X300-20
- Cylinder type: Double-acting steel tube with adjustable cushion
- Bore size: Ø250 mm (9.84")
- Stroke: 300 mm (11.81")
- Operating pressure: 0.05-1.0 MPa (7-145 PSI)
- Medium temperature: -20℃ to 80℃ (-4°F to 176°F)
- Cushion type: External adjustable rubber + fixed cushion
- Port size: Rc1-1/2 (NPT1-1/2 optional)
- Mounting: Basic type (MF1) with foot mounting standard
- Tube material: Cold drawn precision steel pipe (STKM)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Weight: Approximately 38.5 kg (84.9 lbs)
- Dimensions:
- Length: 655 mm (25.79")
- Width: 280 mm (11.02")
- Height: 280 mm (11.02")
- Piston speed: 50-750 mm/s (air cushioning required above 500 mm/s)
- Lubrication: Required (ISO VG32 turbine oil recommended)
Heavy-duty industrial cylinder featuring wear-resistant steel construction with dual anti-corrosion treatment (chromium plating + phosphate coating). The external adjustable cushion mechanism allows precise end-position speed control through 340° rotation of cushion needles. Integrated magnet slot enables position sensing compatibility. Designed for high moment load applications with reinforced mounting structure.
- Metal stamping press ejection systems
- Foundry equipment for mold clamping
- Automotive production line positioning fixtures
- Heavy material handling in logistics automation
- Paper roll pressing machinery
Installation protocol:
Requires torque-controlled mounting (120-150 N·m for M20 mounting bolts).
Maintain 0.5-1 mm/m alignment tolerance during installation.
Use shock absorbers when stroke utilization exceeds 85%.
| Property | Property Value |
|---|---|
| sku | SGJ250X300-20 |
| 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 | 300mm |
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.