Airtac SGC Standard Cylinder SGC250X340
The AirTAC Airtac SGC Standard Cylinder SGC250X340 is a genuine double acting ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø250mm bore and 340mm 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
- Stroke340 mm
- Port sizeG1
- Acting typeDouble acting
- Rod threadM42×2.0
- CushionAdjustable, 60 mm
About the Airtac SGC Standard Cylinder SGC250X340
Delivering massive thrust for heavy industry, this double-acting ISO 15552 tie-rod cylinder generates 24543 N of push force at 0.5 MPa. Four steel tie rods clamp the aluminium barrel to the covers for high 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 uses a G1 air port, a Ø50 mm hard-chrome rod, and M42x2.0 rod-end threading. Because this is the largest SGC bore, TPU seals are unavailable; instead, the front-cover packing and buffer gasket use NBR (with a Viton H option for 0-150 C high-temperature environments). This specific SKU lacks the -S magnet, meaning it cannot accept CMSG, DMSG, or EMSG position switches without switching to the magnet-equipped variant.
Airtac SGC Standard Cylinder SGC250X340 Technical Specifications
| Model | Airtac SGC Standard Cylinder SGC250X340 |
|---|---|
| Series | SGC ISO 15552 tie-rod cylinder |
| Bore size | Ø250 mm |
| Stroke | 340 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 SGC250X340
| SGC | ISO 15552 tie-rod cylinder (double-acting type). |
|---|---|
| 250 | Bore size in mm (125 / 160 / 200 / 250). |
| ×340 | 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 SGC250X340 Is Used
Heavy Press Stamping
Drives large metal forming presses where the 34360 N push force at 0.7 MPa is required to bend thick plate steel in automotive chassis lines.
Palletizer Elevation
Lifts heavy unitized freight on automated palletizers, safely moving loads approaching the 1251 kg vertical lift threshold with a 2:1 margin.
Injection Mold Clamping
Secures large resin injection molds using the rigid four-tie-rod construction, maintaining alignment under high clamping forces up to the 5006 kgf maximum.
Is the Airtac SGC Standard Cylinder SGC250X340 the Right Cylinder?
Sizing strictly downward, the next smaller option is the Ø200 bore, which provides 15708 N of push at 0.5 MPa—useful if your load requires less than the 24543 N offered here and you want a smaller physical footprint. As the 250 mm bore is the maximum in this series, there is no larger SGC model for higher force demands. For vertical or suspended loads, remember that exhausting air or centering the valve causes the piston to drift; the 60 mm adjustable air cushions only decelerate the stroke near the end points, so fit an external rod lock or pilot-operated check valve to hold position.
Mounting options include LB foot, FA/FB flange, CA/CB/CR clevis, and TC/FTC/TCM1/TCM2 trunnion styles. At a 340 mm stroke, side loads are moderate, but always guide the rod end to prevent bending forces, and note that I and Y knuckles are supported (though U and F knuckles are not available on this 250 mm bore).
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 SGC250X340 FAQ
The SGC250X340 delivers 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. It uses a G1 air port, a Ø50 mm rod, and operates at speeds of 30-500 mm/s.
No, this specific SKU does not include the -S magnet option, so it cannot support CMSG, DMSG, or EMSG switches. You must select the -S variant for magnetic sensing. It is dimensionally interchangeable per the ISO 15552 mounting interface, allowing it to drop into existing large-bore ISO 15552 fixtures.
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