Airtac BSED Clamping Double Acting Cylinder BSED50X80
The AirTAC Airtac BSED Clamping Double Acting Cylinder BSED50X80 combines a double-rod ISO 15552 cylinder — a Ø20mm rod out BOTH ends for equal force both directions — with an integrated spring-applied, air-released ROD LOCK that holds up to 1400 N in either direction if air is lost. Ø50mm bore, 80mm stroke, PT1/4 ports, G1/8 lock-release.
- BoreØ50 mm
- Stroke80 mm
- Static holding force1400 N
- ConfigurationDouble rod + lock
- Cylinder portPT1/4
- Lock-release portG1/8
- 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 BSED Clamping Double Acting Cylinder BSED50X80
The AirTAC BSED50X80 is a double-acting double-rod ISO 15552 cylinder with an integrated spring-applied, air-released rod lock. A rod exits both ends, delivering equal thrust in both directions at 825 N each way at 0.5 MPa. The profile barrel contains no external tie rods, ensuring a clean ISO 15552 mounting interface.
The fail-safe collet provides a 1400 N static holding force with no live air required. Because this SKU lacks the -S magnet option, it carries no position sensor. The lock engages only after the rod stops and releases via a separate G1/8 port when piston sides are pressure-balanced.
Double Rod + 1400 N Rod Lock (Ø50mm)
A rod exits both ends for symmetric force and back-rod tooling, and a spring clamps the collet so the Airtac BSED Clamping Double Acting Cylinder BSED50X80 holds its position in both directions on air loss or E-stop. Apply 0.15–0.7 MPa to the G1/8 release port to unlock. Engage only after the rod has stopped (not a dynamic brake), and release only when both piston sides are pressure-balanced; allow ≥0.5 s for full release.
Airtac BSED Clamping Double Acting Cylinder BSED50X80 Technical Specifications
| Model | Airtac BSED Clamping Double Acting Cylinder BSED50X80 |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø50 mm |
| Stroke | 80 mm |
| Static holding force | 1400 N |
| Cylinder port | PT1/4 |
| Lock-release port | G1/8 |
| Configuration | Double rod, double acting |
|---|---|
| Operating pressure | 0.15 – 0.7 MPa |
| Unlocking pressure | 0.15 – 0.7 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC BSED datasheet. Rod thread M16×1.5 both ends. Mounting (BSED): Basic, LB, FA, TC. Port options: PT (standard) / G (BSPP); lock-release port is G1/8.
Theoretical Output Force (Ø50mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 825 N |
| 0.7 MPa (max) | 1155 N |
| Max drive (@0.7 MPa) | 118 kgf |
A rod exits both ends, so force is equal on extend and retract. Drive force is separate from the 1400 N static lock holding force. Size with a safety margin.
Model Code: Airtac BSED Clamping Double Acting Cylinder BSED50X80
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 50 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Thread: PT (blank) / G. Mounting (BSED): Basic, LB, FA, TC. Related: SED (double rod, no lock), BSE (single-rod rod lock). Sensors CMSE/DMSE fit magnetic BSED.
Where the Airtac BSED Clamping Double Acting Cylinder BSED50X80 Is Used
Overhead Lift Stops
Holds a 1400 N vertical load mid-stroke if air drops, while the double rod provides 825 N equal raising and lowering force.
Symmetric Transfer Arms
Drives a pick-and-place arm both ways with identical 825 N thrust, using the rear rod for an anti-rotation cam.
Machining Clamps
Secures a workpiece under 1154 N both-way force, engaging the 1400 N collet lock to resist cutting vibration without live air.
Is the Airtac BSED Clamping Double Acting Cylinder BSED50X80 the Right Cylinder?
Select this 50 mm bore when you need symmetric 825 N both-way force and a 1400 N fail-safe hold. If your load requires less thrust, step down to the 40 mm bore providing 528 N at 0.5 MPa and 900 N holding force. For heavier loads, step up to the 63 mm bore offering 1402 N at 0.5 MPa and 2200 N holding force. Always verify the load is strictly static before engaging the lock.
Ensure the operating pressure stays within the 0.15-0.7 MPa range. The cylinder port is PT1/4, while the lock-release port is always G1/8. When replacing a unit, match the 80 mm stroke, PT thread, and mounting choice from the Basic, LB, FA, or TC set. For any stroke 300 mm or longer, add an external guide to prevent side-load damage.
Quick checklist
- ✓ Need both symmetric force AND fail-safe hold?
- ✓ Load to hold ≤ 1400 N?
- ✓ Back-rod space for tooling/flag
- ✓ Lock engaged only when stopped
- ✓ G1/8 release-air line available
Installation & Safety Notes
- check Engage the lock only after the rod has stopped — not a dynamic brake.
- check Release only when both piston sides are pressure-balanced.
- check Allow ≥0.5 s for full release before commanding motion.
- check Feed the G1/8 release port with 0.15–0.7 MPa clean air.
- check Support both rod ends; avoid side load.
- check Use BSED mounting (Basic/LB/FA/TC).
Airtac BSED Clamping Double Acting Cylinder BSED50X80 FAQ
The spring-applied collet immediately clamps the rod, providing a 1400 N static holding force to keep the load in position. It is a fail-safe hold, not a dynamic brake, so it must only engage after the rod stops.
The double-rod drive force is 825 N at 0.5 MPa and 1154 N at 0.7 MPa (max 118 kgf), equal in both directions. To release the 1400 N lock safely, pressure-balance both piston sides and apply air to the G1/8 release port for at least 0.5 seconds.
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Standard models are processed and dispatched in 3-5 business days.
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