Airtac SE50 Standard Cylinder SE50X775S
The AirTAC Airtac SE50 Standard Cylinder SE50X775S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 775mm stroke, PT1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke775 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50X775S
The AirTAC SE50X775S is a double-acting, single-rod ISO 15552 profile cylinder engineered for long-reach actuation. It delivers a robust 982 N push at 0.5 MPa, utilizing a 50 mm bore and a 775 mm stroke. Because this stroke exceeds the standard 600 mm maximum for this bore, it is manufactured as a made-to-order unit to exacting tolerances.
This variant includes a built-in magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel omits external tie rods, yielding a compact, flush-mounting footprint that resists corrosion. Furthermore, the field-adjustable air cushioning at both ends allows technicians to dial in end-of-stroke deceleration, preventing harsh impacts during high-speed operations.
Airtac SE50 Standard Cylinder SE50X775S Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50X775S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 775 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 (0–150 °C with FKM seals) |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SE series datasheet and ISO 15552 / VDMA 24562 dimensions. Confirm against the product label before installation. Port options: PT (standard) / G (BSPP).
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SE50 Standard Cylinder SE50X775S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×775 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting: Basic, LB, FA, FB, CA, CB, CR, TC, FTC, TCM1, TCM2. Related SE-family variants: SED (double rod), SEJ (adjustable stroke), BSE (rod lock), BSED (double-rod rod lock).
Where the Airtac SE50 Standard Cylinder SE50X775S Is Used
Pallet Transfer Diversion
Pushes heavy loaded pallets sideways onto secondary conveyor lines, utilizing the 982 N push force to overcome sliding friction over the 775 mm travel distance.
Large Carton Flap Folding
Deploys the extended 775 mm stroke to fold oversized corrugated carton flaps prior to sealing, relying on the adjustable cushion to prevent tearing the material.
Automated Storage Retrieval
Actuates telescopic extractor arms in automated storage systems, using the built-in magnet and DMSE sensors to confirm full extension in deep shelving units.
Is the Airtac SE50 Standard Cylinder SE50X775S the Right Cylinder?
When sizing this actuator, note that stepping down to the 40 mm bore reduces the 0.5 MPa push to 628 N, while stepping up to the 63 mm bore increases it to 1559 N. This SE50X775S provides a balanced middle ground for mid-range force requirements. As a dimensionally interchangeable ISO 15552 cylinder, it serves as a drop-in replacement for other ISO 15552 cylinders, matching the 50 mm bore, 775 mm stroke, PT1/4 port, and standard mounting accessories.
Because the 775 mm stroke creates an extended lever arm, the 20 mm rod and its bearing are subject to increased bending moments under side loads; an external guide rail is strongly recommended to prevent premature seal wear. Remember that the adjustable air cushion only decelerates the piston near stroke end and does not hold the load—if air pressure is lost, the piston will drift, requiring a BSE rod lock for secure positioning.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE 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 (LB/FA/FB/CA/CB/CR/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SE50 Standard Cylinder SE50X775S FAQ
At 0.5 MPa, this 50 mm bore cylinder provides 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force reaches 1374 N, with a maximum push capacity of 200 kgf at 1.0 MPa. It operates at a speed range of 30-800 mm/s.
No. The field-adjustable air cushion only decelerates the piston near the stroke endpoints; it is not a braking mechanism. If air is exhausted or pressure drops, the piston will drift. For dead-load holding, you must use a BSE rod lock cylinder or an external pilot-operated check valve.
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