Airtac SC50 Standard Cylinder SC50X70SH
The AirTAC SC50 Standard Cylinder SC50X70SH is a genuine double-acting standard air cylinder with a Ø50mm bore and 70mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke70 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 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 SC50 Standard Cylinder SC50X70SH
The SC50X70SH is a double-acting AirTAC tie-rod cylinder with a 50 mm bore and 70 mm stroke, equipped with a built-in magnet (-S) and high-temperature Viton seals (-H). With a push force of 982 N at 0.5 MPa and up to 1767 N at 0.9 MPa, it handles medium-duty clamping and pressing tasks in hot environments.
This model uses a 20 mm diameter piston rod with an M16x1.5 male thread and PT1/4 ports. The adjustable air cushion provides a 21 mm deceleration zone at each end. The Viton (FKM) seals extend the operating temperature range to 0–150 °C, making it suitable for autoclaves, foundries, and engine test cells where standard seals would degrade.
Airtac SC50 Standard Cylinder SC50X70SH Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X70SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X70SH
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×70 | 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 SC50 Standard Cylinder SC50X70SH Is Used
High-Temperature Gate Actuation
The Viton seals allow this cylinder to operate reliably at up to 150°C, making it ideal for actuating flue dampers, oven doors, or hot material gates where standard NBR or TPU seals would fail.
Hot Clamping & Welding Fixtures
With 1767 N of force at 0.9 MPa and a built-in magnet for DMSG sensors, this cylinder provides precise, sensor-confirmed clamping in welding jigs, soldering fixtures, or heated press tools.
Autoclave & Sterilizer Automation
The 0–150°C temperature rating and reliable double-acting cycle make the SC50X70SH a strong fit for internal automation in steam sterilizers, clean-in-place systems, and laboratory autoclaves.
Is the Airtac SC50 Standard Cylinder SC50X70SH the Right Cylinder?
Choose the SC50 bore for force requirements around 1000 N at standard plant pressure. If you need more force, step up to the SC63 which provides 1559 N at 0.5 MPa; for a lighter, more compact solution, the SC40 delivers 628 N. Always match the replacement cylinder on five points: 50 mm bore, 70 mm stroke, PT1/4 port thread, the built-in magnet for sensor mounting, and Viton seal compatibility for high-temperature operation.
The 70 mm stroke is well within the standard range, so the rod is fully supported by the front bearing. For strokes over 300 mm in this bore, consider an external guide to protect the 20 mm rod from side-load bending.
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 SC50 Standard Cylinder SC50X70SH FAQ
At 0.7 MPa supply pressure, the SC50 bore generates a theoretical push force of 1374 N. The pull force on the return stroke is 825 N at 0.5 MPa, due to the area reduction from the 20 mm piston rod.
Yes, the built-in magnet allows you to mount CMSG reed or DMSG solid-state sensors directly on the barrel. However, for applications running continuously near the 150°C limit, confirm the sensor's own temperature rating, as the cylinder body can conduct significant heat to the switch.
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