Airtac SGC Standard Cylinder SGC125X850N
The AirTAC Airtac SGC Standard Cylinder SGC125X850N is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 850mm 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
- Stroke850 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 SGC125X850N
Delivering 6136 N of push force at 0.5 MPa, this double-acting single-rod actuator handles heavy-duty positioning across its 850 mm travel. It utilizes a robust tie-rod design where four steel rods clamp the aluminum barrel to the covers, ensuring high structural rigidity under large-bore loads. The two-way piston seal retains an oil reservoir for continuous lubrication and extended service life.
Equipped from the factory with an NBR seal, this specific SKU is built for environments where standard elastomers might degrade, operating reliably across a -20 to +70 C range. Because this configuration lacks the -S magnet option, it cannot accept CMSG, DMSG, or EMSG position switches. For real-world sizing, plan for about 3682 N of actual work at 0.5 MPa, which translates to lifting roughly 313 kg vertically with a 2:1 safety margin.
Airtac SGC Standard Cylinder SGC125X850N Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC125X850N |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø125 mm |
| Stroke | 850 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 SGC125X850N
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (125 / 160 / 200 / 250). |
| ×850 | 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 SGC125X850N Is Used
Automated Pallet Transfer
Pushes heavy loaded pallets along a 850 mm routing lane, utilizing the 6136 N thrust at 0.5 MPa to overcome initial friction without stalling.
Press Ejection System
Extends fully to clear stamped metal parts from a hydraulic press bed, relying on the NBR seals to withstand ambient shop heat.
Vertical Material Gate
Actuates an 850 mm lifting gate for heavy part routing, safely moving loads up to 313 kg when guided by external linear rails.
Is the Airtac SGC Standard Cylinder SGC125X850N the Right Cylinder?
When sizing this 125 mm bore unit, compare it against the larger SGC160 option, which jumps to 10053 N of push at 0.5 MPa if your application demands more authority. As the smallest bore in the SGC family, there is no smaller standard model to step down to. This 850 mm stroke requires careful attention to side-load forces; always utilize external guide rails to prevent rod bending and premature seal wear over such a long extension distance.
Keep in mind that a standard double-acting cylinder will drift if air pressure is lost or the control valve is centered, as the adjustable air cushion only decelerates the piston near the end of travel rather than locking it. To suspend a load safely in mid-stroke, integrate an external pilot-operated check valve or a dedicated mechanical rod lock.
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 SGC125X850N FAQ
This 125 mm bore cylinder features a G1/2 air port and an M27x2.0 rod thread. It generates 6136 N push and 5734 N pull at 0.5 MPa, increasing to 8590 N push and 8028 N pull at 0.7 MPa, with a theoretical maximum force of 1251 kgf at 1.0 MPa.
Yes, the tie-rod construction is dimensionally interchangeable per the ISO 15552 mounting interface, allowing it to drop into standard FA flange or LB foot fixtures. However, because this specific SKU lacks the -S magnet, it cannot support CMSG, DMSG, or EMSG magnetic switches without changing to a magnetized piston variant.
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1-Year Warranty
Covers non-human-caused product damage.
Made to Order
Large-bore cylinders built to order — confirm lead time.
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