Airtac BSED Clamping Double Acting Cylinder BSED32X250S
The AirTAC Airtac BSED Clamping Double Acting Cylinder BSED32X250S 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, 250mm stroke, PT1/8 ports, G1/8 lock-release.
- BoreØ32 mm
- Stroke250 mm
- Static holding force600 N
- ConfigurationDouble rod + lock
- Cylinder portPT1/8
- 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 BSED32X250S
The AirTAC BSED32X250S 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—about 345 N each way at 0.5 MPa—while the rear rod provides an anti-rotation mounting point for tooling or flags.
The fail-safe collet lock provides a 600 N static holding force without requiring live air. It engages automatically upon air loss or E-stop activation. Note that this is a static holding device, not a dynamic brake; engage it only after the rod stops, and release it only when piston sides are pressure-balanced, allowing at least 0.5 seconds.
Double Rod + 600 N Rod Lock (Ø32mm)
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 BSED32X250S 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 BSED32X250S Technical Specifications
| Model | Airtac BSED Clamping Double Acting Cylinder BSED32X250S |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac BSED Clamping Double Acting Cylinder BSED32X250S
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 32 | Bore size in mm. |
| ×250 | 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 BSED32X250S Is Used
Vertical Lift Stops
Holds a 50 kg vertical lift payload mid-stroke with 600 N of fail-safe force when air is removed, preventing backdriving during E-stops.
Symmetric Transfer Arms
Drives a transfer arm with 345 N of equal both-way force at 0.5 MPa, utilizing the rear rod for mounting a cam flag.
Pick-and-Place Locking
Secures a pick-and-place gripper in position during air pressure drops, engaging the collet lock only after the rod has ceased motion.
Is the Airtac BSED Clamping Double Acting Cylinder BSED32X250S the Right Cylinder?
Select this 32 mm bore, 250 mm stroke model when your application requires symmetric drive force and mid-stroke fail-safe holding. Verify your load requires 483 N or less of drive force at 0.7 MPa and that the static load to be held does not exceed the 600 N lock capacity. If you need less force, no smaller BSED bore exists, but if you need more, stepping up to the 40 mm bore yields 528 N at 0.5 MPa and a 900 N holding force.
For exact replacement matching, confirm the 250 mm stroke, PT1/8 cylinder port, and the -S magnet option for CMSE or DMSE sensors. Because the 250 mm stroke is approaching 300 mm, ensure adequate external guiding to prevent excessive side loads on the 12 mm rod. Mounting options are limited to Basic, LB, FA, and TC.
Quick checklist
- ✓ Need both symmetric force AND fail-safe hold?
- ✓ Load to hold ≤ 600 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 BSED32X250S FAQ
The drive force is equal in both directions: 345 N at 0.5 MPa and 483 N at 0.7 MPa (max 49 kgf). The static fail-safe holding force of the spring-applied rod lock is 600 N.
Upon air loss, the spring-applied collet clamps the rod, providing up to 600 N of static holding. To release, apply air to the separate G1/8 release port only after the cylinder piston sides are pressure-balanced, allowing at least 0.5 seconds for the lock to disengage.
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