Airtac SGC Standard Cylinder SGC125X275H
The AirTAC Airtac SGC Standard Cylinder SGC125X275H is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 275mm 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
- Stroke275 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 SGC125X275H
Delivering 6136 N of push force at 0.5 MPa, this double-acting large-bore cylinder brings genuine ISO 15552 mounting-interface interchangeability to high-temperature automation. The -H designation specifies a Viton (FKM) seal, extending the operating range from -20 up to 150 C for foundry or oven-adjacent machinery. Four steel tie rods clamp the aluminum barrel to the covers for high rigidity, while a two-way piston seal maintains an internal oil reservoir for long service life.
With a 275 mm stroke and a G1/2 port, the unit provides 5734 N of pull force at 0.5 MPa. For practical sizing, plan for about 3682 N of real work at that pressure, which equates to lifting roughly 313 kg vertically with a 2:1 safety margin. Note that this specific SKU lacks the -S magnet, meaning it cannot host CMSG, DMSG, or EMSG position switches without changing the variant.
Airtac SGC Standard Cylinder SGC125X275H Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X275H |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 275 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 SGC125X275H
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×275 | 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 SGC125X275H Is Used
Foundry Mold Clamping
Uses the 8590 N push force at 0.7 MPa and Viton high-temperature seals to hold hot mold halves securely in metal casting lines.
Oven Door Actuation
Leverages the 275 mm stroke to open and close industrial curing oven doors where ambient heat would destroy standard TPU seals.
Palletized Load Rejector
Pushes misaligned pallets off a high-speed conveyor, safely handling components weighing up to the 313 kg vertical-lift equivalent.
Is the Airtac SGC Standard Cylinder SGC125X275H the Right Cylinder?
When sizing this 125 mm bore against the broader SGC range, stepping down is not an option as it is the smallest available size in the series. Stepping up to the 160 mm bore raises the 0.5 MPa push force significantly to 10053 N if your application demands more authority. Because this 275 mm stroke falls below the 500 mm threshold, rod-bending side loads are less critical, but always guide the load to prevent binding. Remember that a standard double-acting cylinder drifts when air is lost or a valve is centered; the adjustable 40 mm air cushions only decelerate the piston near the end caps. To suspend a load safely mid-stroke, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 SGC125X275H FAQ
This 125 mm bore cylinder features a G1/2 air 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 lacks the -S magnet option, so it cannot host CMSG, DMSG, or EMSG switches. You would need to select the -S variant for magnetic position sensing.
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Covers non-human-caused product damage.
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Large-bore cylinders built to order — confirm lead time.
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