Airtac SGC Standard Cylinder SGC250X900
The AirTAC Airtac SGC Standard Cylinder SGC250X900 is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 900mm stroke, G1 air ports and adjustable end cushioning. Its large-bore tie-rod build delivers high thrust and drops into standardized ISO 15552 mounting on heavy automation.
- BoreØ250 mm
- Stroke900 mm
- Port sizeG1
- Acting typeDouble acting
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGC Standard Cylinder SGC250X900
Delivering massive thrust for heavy industry, this double-acting tie-rod cylinder pushes with 24543 N at 0.5 MPa. The four steel tie rods clamp the aluminum barrel to the covers for extreme rigidity under high loads. A two-way piston seal maintains an internal oil reservoir for long service life. Plan for about 14726 N of real work at 0.5 MPa, or roughly 1251 kg lifted vertically with a 2:1 margin.
The standardized ISO 15552 mounting interface ensures it drops directly into existing large-bore fixtures. It features a G1 air port, an M42x2.0 rod thread, and 60 mm adjustable air cushions at both ends. Because this is a 250 mm bore, TPU seals are unavailable; it uses NBR front-cover packing and buffer gaskets, with a Viton H option for 0-150 C environments. Note that this SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches.
Airtac SGC Standard Cylinder SGC250X900 Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC250X900 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | G1 |
| Rod thread | M42×2.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 60 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SGC datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Thread options: PT (blank) / G. TPU seals are not available for the Ø250 bore (NBR / Viton only).
Theoretical Output Force (Ø250mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 24544 N | 23562 N |
| 0.7 MPa | 34361 N | — |
| Max (@1.0 MPa) | 5006 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SGC Standard Cylinder SGC250X900
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×900 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
SGC-family variants: SGC (double acting), SGCD (double rod), SGCJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / FTC / TCM1 / TCM2. Seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SGC Standard Cylinder SGC250X900 Is Used
Heavy Stamp Press Ejection
Ejects thick steel plates from a 2000-ton stamping press using 24543 N of push force at 0.5 MPa.
Automotive Frame Lift
Raises 1200 kg vehicle chassis during robotic welding, safely within the 1251 kg vertical lift margin.
Palletizer Strapping
Compresses and holds heavy industrial pallets during automated strapping cycles over the 900 mm stroke.
Is the Airtac SGC Standard Cylinder SGC250X900 the Right Cylinder?
When sizing this 900 mm stroke model, verify that the next bore down (200 mm, 15708 N push @0.5 MPa) is insufficient, as the 250 mm bore is the largest available in the SGC series. For any stroke over 500 mm, you must use external guides to prevent rod bending and manage side loads. Because this SKU lacks the -S magnet, position sensing is impossible without upgrading to the -S variant. Remember that air cushions only decelerate the piston near stroke end; they do not act as a brake. If the application requires holding a load vertically during air loss or valve centering, install an external rod lock or pilot-operated check valve to prevent drift.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Long-stroke side load — support the rod end
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load; support long strokes at the rod end.
- check Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SGC Standard Cylinder SGC250X900 FAQ
This 250 mm bore cylinder features a G1 air port and delivers 24543 N push / 23562 N pull at 0.5 MPa, 34360 N push / 32986 N pull at 0.7 MPa, and a theoretical maximum of 5006 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet. To use CMSG, DMSG, or EMSG switches, you must select the -S variant. The standard ISO 15552 mounting interface and tie-rod construction remain identical.
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