Airtac BSED Clamping Double Acting Cylinder BSED80X75
The AirTAC Airtac BSED Clamping Double Acting Cylinder BSED80X75 combines a double-rod ISO 15552 cylinder — a Ø25mm rod out BOTH ends for equal force both directions — with an integrated spring-applied, air-released ROD LOCK that holds up to 3600 N in either direction if air is lost. Ø80mm bore, 75mm stroke, PT3/8 ports, G1/8 lock-release.
- BoreØ80 mm
- Stroke75 mm
- Static holding force3600 N
- ConfigurationDouble rod + lock
- Cylinder portPT3/8
- Lock-release portG1/8
About the Airtac BSED Clamping Double Acting Cylinder BSED80X75
The AirTAC BSED80X75 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 drive force in each direction—about 2268 N at 0.5 MPa. The rear rod can mount tooling or a flag cam and resists rotation.
This unit provides a bidirectional fail-safe static holding force of 3600 N with no live air required. The lock engages via a collet mechanism and uses a dedicated G1/8 release port. Operating pressure is capped at 0.7 MPa, and this SKU ships without a magnet, so it does not support position sensors.
Double Rod + 3600 N Rod Lock (Ø80mm)
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 BSED80X75 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 BSED80X75 Technical Specifications
| Model | Airtac BSED Clamping Double Acting Cylinder BSED80X75 |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø80 mm |
| Stroke | 75 mm |
| Static holding force | 3600 N |
| Cylinder port | PT3/8 |
| 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 1000 mm |
Specifications follow the official AirTAC BSED datasheet. Rod thread M20×1.5 both ends. Mounting (BSED): Basic, LB, FA, TC. Port options: PT (standard) / G (BSPP); lock-release port is G1/8.
Theoretical Output Force (Ø80mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 2268 N |
| 0.7 MPa (max) | 3175 N |
| Max drive (@0.7 MPa) | 324 kgf |
A rod exits both ends, so force is equal on extend and retract. Drive force is separate from the 3600 N static lock holding force. Size with a safety margin.
Model Code: Airtac BSED Clamping Double Acting Cylinder BSED80X75
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 80 | Bore size in mm. |
| ×75 | 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 BSED80X75 Is Used
Mid-Process Machining Stop
Holds a 3600 N machining fixture securely in place using the fail-safe collet lock, while the double-rod design provides 2268 N of equal clamping and release force.
Pallet Lift Station
Raises and lowers a pallet transfer deck with 3175 N of both-way drive force, engaging the spring-applied lock to prevent drift during loading operations.
Overhead Z-Axis Platen
Moves a vertical platen using equal push and pull force, relying on the 3600 N static hold to prevent drops if air pressure drops suddenly.
Is the Airtac BSED Clamping Double Acting Cylinder BSED80X75 the Right Cylinder?
Select this 80 mm bore when you need symmetric both-way force and mid-stroke fail-safe holding. Verify your load to hold is 3600 N or less. If you need less holding, the 63 mm bore offers 1402 N drive force at 0.5 MPa and a 2200 N hold. If you need more, the 100 mm bore provides 3681 N drive at 0.5 MPa and a 5500 N hold.
Engage the lock only after the rod stops, and release it only when both piston sides are pressure-balanced, allowing at least 0.5 seconds. To replace this cylinder, match the 80 mm bore, 75 mm stroke, PT3/8 cylinder port, and your mounting choice (Basic, LB, FA, or TC).
Quick checklist
- ✓ Need both symmetric force AND fail-safe hold?
- ✓ Load to hold ≤ 3600 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 BSED80X75 FAQ
The integrated spring-applied collet clamps the rod immediately, providing a 3600 N static holding force to keep the load in position. It is a fail-safe lock, not a dynamic brake, so it must only be engaged after the rod stops moving.
The equal both-way drive force is 2268 N at 0.5 MPa and 3175 N at 0.7 MPa (max 324 kgf). To release the lock safely, apply pressure to the G1/8 release port only after both piston sides are pressure-balanced, allowing at least 0.5 seconds for the collet to disengage.
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