
The AirTAC Airtac BSED Clamping Double Acting Cylinder BSED63X400S 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 2200 N in either direction if air is lost. Ø63mm bore, 400mm stroke, PT3/8 ports, G1/8 lock-release.
The AirTAC BSED63X400S is a double-acting, double-rod ISO 15552 cylinder featuring an integrated spring-applied, air-released rod lock. A rod exits both ends, providing equal thrust and speed in both directions—delivering 1402 N each way at 0.5 MPa and 1962 N at 0.7 MPa. The rear rod extension is ideal for mounting external flags or cams and naturally resists rotation.
This fail-safe collet lock delivers a 2200 N static holding force with no live air required, immediately clamping the 20 mm rod if pressure drops or an E-stop trips. The lock operates via a separate G1/8 release port, and the cylinder ports are PT3/8. Equipped with a magnet (-S), it supports CMSE reed and DMSE electronic sensors for precise position feedback.
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 BSED63X400S 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 BSED63X400S |
|---|---|
| Series | BSED ISO 15552 double-rod rod-lock cylinder |
| Bore size | Ø63 mm |
| Stroke | 400 mm |
| Static holding force | 2200 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 M16×1.5 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 | 1402 N |
| 0.7 MPa (max) | 1962 N |
| Max drive (@0.7 MPa) | 200 kgf |
A rod exits both ends, so force is equal on extend and retract. Drive force is separate from the 2200 N static lock holding force. Size with a safety margin.
| B | Rod-lock cylinder prefix. |
|---|---|
| SED | ISO 15552 double-rod double-acting body. |
| 63 | Bore size in mm. |
| ×400 | 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 150 kg vertical lift platform securely mid-stroke using the 2200 N fail-safe collet, preventing gravity drops during air loss while the double-rod balances lift speed.
Uses the equal 1962 N both-way force to push and retract a diverter gate across a conveyor, with the lock holding the arm extended during E-stops.
Applies symmetric clamping force from both rod ends to seat bearings, relying on the 2200 N static hold to maintain fixture pressure without continuous air.
Select this 63 mm bore model when your application demands symmetric 1962 N drive force alongside a 2200 N fail-safe holding capacity. If your load requires less force, the adjacent 50 mm bore provides 1154 N at 0.7 MPa with a 1400 N hold. If you need greater capacity, step up to the 80 mm bore, which yields 3175 N at 0.7 MPa and a 3600 N hold. Always verify your static load is under 2200 N and engage the lock only after the rod fully stops, allowing at least 0.5 s for pressure-balanced release.
For the 400 mm stroke, use a dedicated guide rail to prevent side loads from binding the rod and wearing the seals. Replacement units must match the 63 mm bore, 400 mm stroke, PT3/8 port, and -S magnet option.
Quick checklist
The drive force is equal in both directions: 1402 N at 0.5 MPa and 1962 N at 0.7 MPa (max 200 kgf). The integrated spring-applied rod lock provides a 2200 N static holding force with no live air required.
The lock is a static hold, not a dynamic brake. Engage it only after the rod stops. To release, ensure both piston sides are pressure-balanced and apply air to the separate G1/8 release port, allowing at least 0.5 s for the collet to open.
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