Airtac SC50 Standard Cylinder SC50X300H
The AirTAC Airtac SC50 Standard Cylinder SC50X300H is a genuine double-acting standard air cylinder with a Ø50mm bore and 300mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke300 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X300H
The SC50X300H is a double-acting pneumatic cylinder built for high-temperature environments, equipped with Viton (FKM) seals that extend the operating range from 0 to +150 °C. With a 50 mm bore and 300 mm stroke, it produces a push force of 982 N at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, making it a solid mid-range actuator for thermal process equipment.
This tie-rod cylinder features a 20 mm diameter piston rod with M16x1.5 threads and PT1/4 ports. The body length A is 150 mm, giving a total extended length of approximately 450 mm. An adjustable pneumatic cushion decelerates the piston over the final 21 mm of travel, reducing end-of-stroke impact without locking the load.
Airtac SC50 Standard Cylinder SC50X300H Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X300H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 SC50X300H
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 SC50X300H Is Used
Hot Press & Molding
Viton seals allow the SC50X300H to operate reliably inside heated platen presses, autoclaves, and rubber molding machines where ambient temperatures reach 150 °C.
Steam & Sterilization Equipment
Suitable for actuating doors, valves, or clamps on steam sterilizers and food processing equipment, resisting degradation from hot, moist air and cleaning agents.
Drying & Curing Ovens
Provides consistent 982 N clamping or positioning force for material handling systems moving parts through industrial drying and curing ovens.
Is the Airtac SC50 Standard Cylinder SC50X300H the Right Cylinder?
For applications requiring slightly less force, the 40 mm bore SC series delivers 628 N push at 0.5 MPa, while stepping up to the 63 mm bore provides 1559 N. At 300 mm of stroke, the 20 mm rod is robust, but if the load applies significant side force or the cylinder is mounted horizontally, consider an external guide rail or a guided cylinder to prevent rod bending and premature bearing wear.
When replacing an existing cylinder, match five key points: 50 mm bore, 300 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and no magnet. The Viton seal variant is specifically for high-temperature duty; verify that the original cylinder also used FKM seals if the environment exceeds 70 °C.
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 SC50X300H FAQ
At 0.5 MPa (5 bar) air pressure, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The SC50X300H is a double-acting cylinder and will not hold its position if air pressure is exhausted or the directional valve is centered. The piston will drift or drop under load. For load holding, you must add an external rod brake, a pilot-operated check valve, or a mechanical lock.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SC50 Standard Cylinder SC50X300H
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.