
The AirTAC Airtac BSED Clamping Double Acting Cylinder BSED32X50 combines a double-rod ISO 15552 cylinder — a Ø12mm rod out BOTH ends for equal force both directions — with an integrated spring-applied, air-released ROD LOCK that holds up to 600 N in either direction if air is lost. Ø32mm bore, 50mm stroke, PT1/8 ports, G1/8 lock-release.
The AirTAC BSED32X50 is a double-acting, double-rod ISO 15552 profile cylinder featuring an integrated spring-applied, air-released rod lock. A rod exits both ends, delivering equal force in both directions—specifically 345 N each way at 0.5 MPa. The rear rod provides a stable platform for mounting flags or cams while resisting rotational torque.
This fail-safe collet lock delivers a 600 N static holding force without requiring live air, securing the load instantly if pressure drops. It uses a dedicated G1/8 release port and operates at 0.15-0.7 MPa. Note that this specific SKU lacks a piston magnet, so it does not support CMSE or DMSE position sensors.
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 BSED32X50 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.
| Model | Airtac BSED Clamping Double Acting Cylinder BSED32X50 |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 mm |
| Static holding force | 600 N |
| Cylinder port | PT1/8 |
| 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 700 mm |
Specifications follow the official AirTAC BSED datasheet. Rod thread M10×1.25 both ends. Mounting (BSED): Basic, LB, FA, TC. Port options: PT (standard) / G (BSPP); lock-release port is G1/8.
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa (max) | 484 N |
| Max drive (@0.7 MPa) | 49 kgf |
A rod exits both ends, so force is equal on extend and retract. Drive force is separate from the 600 N static lock holding force. Size with a safety margin.
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 32 | Bore size in mm. |
| ×50 | 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.
Holds a 600 N vertical load safely in place during an E-stop, while the 345 N both-way drive force smoothly raises and lowers the 50 mm stroke.
Uses the equal push and pull force to shuttle a light part back and forth, with the rear rod available for external cam tracking.
Provides precise end-of-stroke positioning with adjustable 27 mm air cushions, locking the 12 mm rod instantly upon air loss.
Select this 32 mm bore when an application demands symmetric both-way drive force alongside a 600 N static fail-safe hold. If your load requires less holding capacity, note that BSED is the smallest available bore in this series. If you need more force, stepping up to the 40 mm bore provides 528 N drive force at 0.5 MPa and a 900 N holding force.
Always engage the lock only after the rod completely stops, and release it only when both piston sides are pressure-balanced, allowing at least 0.5 seconds for the transition. For exact replacements, match the 50 mm stroke, PT1/8 cylinder port, and preferred mounting from the available Basic, LB, FA, or TC options.
Quick checklist
The integrated spring-applied collet immediately clamps the rod, providing a 600 N static holding force to keep the load in place without live air. It is a fail-safe hold, not a dynamic brake, so it must only be engaged after the rod stops moving.
The drive force is equal both ways at 345 N @0.5 MPa and 483 N @0.7 MPa, with a maximum drive of 49 kgf. The static holding force is 600 N. It operates at speeds of 30-800 mm/s, capped at a 0.7 MPa operating pressure.
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