Airtac SGC Standard Cylinder SGC125X40H
The AirTAC Airtac SGC Standard Cylinder SGC125X40H is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 40mm stroke, G1/2 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.
- BoreØ125 mm
- Stroke40 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- CushionAdjustable, 40 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SGC Standard Cylinder SGC125X40H
Generating 6136 N of push force at 0.5 MPa, this 125 mm bore tie-rod cylinder is built for hot environments. The H designation specifies a Viton (FKM) seal, extending the operating temperature range from -20 to +150 C. Four steel tie rods clamp the aluminum barrel to the covers, delivering the rigidity needed for high-impact automation.
As a genuine ISO 15552 unit, it matches standard mounting-interface dimensions for easy fixture integration. It uses a G1/2 port and a two-way piston seal that retains an oil reservoir for long service life. Plan for about 3682 N of real work at 0.5 MPa, which lifts roughly 313 kg vertically with a 2:1 margin. This SKU lacks a magnet, so it cannot host CMSG, DMSG, or EMSG switches.
Airtac SGC Standard Cylinder SGC125X40H Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X40H |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2.0 |
| 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, 40 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 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 SGC125X40H
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×40 | 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 SGC125X40H Is Used
Hot Stamping Ejection
Ejects aluminum parts from a 120 C stamping die, utilizing the Viton seals to withstand ambient radiant heat while delivering 6136 N of push force.
Plastic Mold Clamping
Acts as a secondary clamp on an injection molding line, holding a 40 mm stroke securely against mold halves near heated zones up to 150 C.
Oven Transfer Divert
Diverts heavy rubber components on a conveyor exiting a curing oven, where standard TPU seals would fail but the Viton H option thrives.
Is the Airtac SGC Standard Cylinder SGC125X40H the Right Cylinder?
Choosing this 125 mm bore makes sense when heat demands Viton but the 6136 N output at 0.5 MPa is sufficient. If you need less force, the SGC series does not offer a smaller bore, so consider alternative compact lines. If your application requires more power, step up to the 160 mm bore, which provides 10053 N at 0.5 MPa. The 40 mm stroke keeps the rod compact, minimizing side-load risks without requiring external guides.
Because this is a double-acting cylinder, air controls motion in both directions, but it will drift if air pressure drops or the valve is centered. The adjustable air cushion only decelerates the piston near the end of stroke; it does not function as a brake. To suspend a load safely, install an external rod lock or a pilot-operated check valve.
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 SGC125X40H FAQ
This 125 mm bore cylinder features a G1/2 port and generates 6136 N push / 5734 N pull at 0.5 MPa, and 8590 N push / 8028 N pull at 0.7 MPa. The theoretical maximum force is 1251 kgf at 1.0 MPa.
No, this specific SKU does not include the -S magnet option, so it cannot host CMSG, DMSG, or EMSG switches. You would need to specify the -S variant to enable magnetic position sensing.
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Covers non-human-caused product damage.
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