Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S
The AirTAC Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S is a genuine double-acting standard air cylinder with a Ø200mm bore and 850mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ200 mm
- Stroke850 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 33 mm
About the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S
The SC200X850S is a large-bore double-acting pneumatic cylinder delivering substantial force for heavy industrial applications. At 0.5 MPa, it generates 15708 N pushing and 15080 N pulling, scaling up to 28274 N at the maximum operating pressure of 0.9 MPa.
This model features an 850 mm stroke with a 40 mm diameter piston rod and PT1/2 port threads. The built-in magnet (suffix -S) allows direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors on the tie-rod barrel for precise end-of-stroke or mid-stroke position feedback. The adjustable air cushion at each end, with a 33 mm cushion length, decelerates the piston smoothly to manage high inertial loads.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S Technical Specifications
| Model | Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Stroke | 850 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 33 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (approx.) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×850 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S Is Used
Sawmill Log Handling
Positions and clamps large logs on carriages and debarking lines. The 15 kN push force at 0.5 MPa holds heavy timber securely, and the magnet sensors confirm clamp closure.
Heavy-Duty Baler Actuation
Drives the compression plunger in large square balers for hay or cardboard. The 850 mm stroke provides the full chamber length, while the adjustable cushion absorbs the shock of compacting dense material.
Steel Plate Bending Press
Powers the main ram in a press brake for forming thick steel plate. The 28274 N maximum force at 0.9 MPa handles high-tonnage bending, with sensor feedback ensuring precise ram return positioning.
Is the Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S the Right Cylinder?
Select the SC200 when your application requires force in the 15-28 kN range. If your load is lighter, stepping down to a 160 mm bore reduces push force to 10053 N at 0.5 MPa, saving air consumption and physical space. For strokes of 850 mm, always evaluate side-loading conditions; a rod this long requires external guides or a self-supporting load to prevent bending moments on the rod bearing.
For direct replacement, match these five attributes: 200 mm bore, 850 mm stroke, PT port thread, the built-in magnet (-S), and the basic (no bracket) mounting configuration. This is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
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 on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC200-250 Tie-Rod Cylinder Aluminum Alloy SC200X850S FAQ
At 0.5 MPa (5 bar), the theoretical push force is 15708 N. At the common 0.7 MPa line pressure, it increases to 21991 N. The maximum operating force at 0.9 MPa is 28274 N.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 cylinder of the same bore and stroke. The mounting dimensions and end-cap profiles are different. A direct replacement must be another AirTAC SC200 tie-rod cylinder matching the 850 mm stroke, PT ports, and built-in magnet.
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