Airtac SGC Standard Cylinder SGC250X350TC
The AirTAC Airtac SGC Standard Cylinder SGC250X350TC is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1
- Acting typeDouble acting
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGC Standard Cylinder SGC250X350TC
Delivering massive thrust for heavy industry, this double-acting ISO 15552 tie-rod cylinder pushes with 24543 N and pulls with 23562 N at 0.5 MPa. Four steel tie rods clamp the aluminium barrel to the covers for extreme rigidity, while the 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, which lifts roughly 1251 kg vertically with a 2:1 safety margin.
The Ø250 bore features a 50 mm chrome-plated carbon steel rod, an M42x2.0 rod-end thread, and a G1 air port. Because this is a 250 mm bore, TPU seals are unavailable; instead, NBR front-cover packing and buffer gaskets handle the 60 mm adjustable air cushions at both ends. Note this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG position switches without upgrading to an -S variant.
Airtac SGC Standard Cylinder SGC250X350TC Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC250X350TC |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 350 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 SGC250X350TC
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×350 | 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 SGC250X350TC Is Used
Heavy Stamping Press
Provides the raw 34360 N push force at 0.7 MPa needed to drive large metal forming dies and hold heavy stamping blanks securely in automated fabrication lines.
Palletizer Ramp Actuator
Utilizes the TC trunnion mount to articulate heavy 1200 kg loading ramps on end-of-line packaging machinery, pivoting smoothly under high dynamic stress.
Injection Mold Clamp
Generates immense clamping pressure for large resin molds, relying on the rigid four-tie-rod construction to prevent barrel deflection under peak 1.0 MPa loads.
Is the Airtac SGC Standard Cylinder SGC250X350TC the Right Cylinder?
When sizing this 350 mm stroke unit, verify your load against the 24543 N push force at 0.5 MPa. If your application requires less force, the next size down is the Ø200 bore delivering 15708 N; there is no larger standard SGC bore above 250. The integrated TC trunnion mount provides a pivot axis for articulated mechanisms, but ensure your framework matches the ISO 15552 mounting interface dimensions.
Because standard air cushions only decelerate the piston near the stroke ends and never act as a brake, a dropped air supply will cause the load to drift. Install an external pilot-operated check valve or rod lock to hold vertical loads securely during an emergency stop or pressure loss.
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 SGC250X350TC FAQ
This Ø250 mm bore cylinder uses a G1 air port and an M42x2.0 rod thread. It generates 24543 N push and 23562 N pull at 0.5 MPa, 34360 N push and 32986 N pull at 0.7 MPa, with a theoretical maximum force of 5006 kgf at 1.0 MPa.
No, this specific SKU does not include a piston magnet, meaning it cannot support CMSG, DMSG, or EMSG switches. You must select an SGC250 variant with the -S suffix to enable magnetic position sensing.
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