Airtac BSE Clamp Standard Cylinder BSE63X25
The AirTAC Airtac BSE Clamp Standard Cylinder BSE63X25 is a genuine double-acting ISO 15552 cylinder with an integrated spring-applied, air-released ROD LOCK. If air is cut or an E-stop is hit, the collet clamps the Ø20mm rod and holds up to 2200 N in either direction — no drift. Ø63mm bore, 25mm stroke, PT3/8 cylinder ports, G1/8 lock-release port.
- BoreØ63 mm
- Stroke25 mm
- Static holding force2200 N
- Lock typeSpring-lock / air-release
- Cylinder portPT3/8
- Lock-release portG1/8
About the Airtac BSE Clamp Standard Cylinder BSE63X25
The AirTAC BSE63X25 is a double-acting, single-rod ISO 15552 profile cylinder featuring an integrated spring-applied, air-released rod lock. It delivers a 2200 N bidirectional static holding force with zero live air, ensuring suspended loads remain safely frozen in place if pressure drops or an E-stop activates. Operating pressure is capped at 0.7 MPa.
A separate G1/8 release port supplies 0.15-0.7 MPa to unlock the clamping collet. Because the lock is a fail-safe holding device rather than a dynamic brake, you must engage it only after the rod fully stops and release it only when piston pressures are balanced, allowing at least 0.5 s before moving. This 63 mm bore unit uses a PT3/8 cylinder port, a Ø20 mm rod, and 36 mm adjustable air cushions at both ends. This SKU lacks a magnet, so CMSE or DMSE position sensors cannot be fitted.
Rod Lock — 2200 N Static Holding (Ø63mm)
A spring clamps the collet onto the rod, so the Airtac BSE Clamp Standard Cylinder BSE63X25 holds its position in both directions when air is lost, exhausted or an E-stop trips. Apply 0.15–0.7 MPa to the G1/8 release port to unlock. Engage the lock only after the rod has stopped (it is not a dynamic brake), and release only when the pressures on both sides of the piston are balanced. Allow at least 0.5 s for full release before moving.
Airtac BSE Clamp Standard Cylinder BSE63X25 Technical Specifications
| Model | Airtac BSE Clamp Standard Cylinder BSE63X25 |
|---|---|
| Series | BSE ISO 15552 rod-lock cylinder |
| Bore size | Ø63 mm |
| Stroke | 25 mm |
| Static holding force | 2200 N |
| Cylinder port | PT3/8 |
| Lock-release port | G1/8 |
| Rod thread | M16×1.5 |
|---|---|
| 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 |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC BSE datasheet. The lock uses the SE standard body; SE mounting accessories fit BSE except FTC. Port options: PT (standard) / G (BSPP); lock-release port is G1/8.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa (max) | 2182 N | — |
| Max drive (@0.7 MPa) | 223 kgf | |
Drive force is separate from the 2200 N static holding force of the lock. BSE operates up to 0.7 MPa. Size with a safety margin.
Model Code: Airtac BSE Clamp Standard Cylinder BSE63X25
| B | Rod-lock cylinder prefix. |
|---|---|
| SE | ISO 15552 standard double-acting body. |
| 63 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Thread: PT (blank) / G. Mounting (BSE): Basic, LB, FA, FB, CA, CB, CR, TC (FTC is not available on BSE). Related: SE (no lock), BSED (double-rod rod lock). Sensors CMSE/DMSE fit magnetic BSE.
Where the Airtac BSE Clamp Standard Cylinder BSE63X25 Is Used
Vertical Pallet Lift
Holds a 2200 N raised pallet securely in mid-stroke if shop air vanishes, preventing sudden crashes in packaging lines.
Machine Tool Clamp
Locks a 1559 N workpiece clamp instantly on air loss, keeping the part fixed during an emergency stop.
Pallet Stop Gate
Freezes a conveyor stop gate in the up position using the collet, ensuring items halt safely during E-stop events.
Is the Airtac BSE Clamp Standard Cylinder BSE63X25 the Right Cylinder?
Verify your load stays under the 2200 N holding force. If you need less drive and hold, the adjacent 50 mm bore provides 982 N push at 0.5 MPa and 1400 N of hold. If your load exceeds this lock, stepping up to the 80 mm bore yields 2513 N push at 0.5 MPa and 3600 N of hold. Always balance pressures and wait >=0.5 s before releasing the lock. When replacing, match the 63 mm bore, 25 mm stroke, PT3/8 port, and mounting choice; standard SE mounting accessories fit perfectly except FTC.
Quick checklist
- ✓ Load to hold ≤ 2200 N?
- ✓ Fail-safe hold on air loss / E-stop needed
- ✓ Lock engaged only when stopped
- ✓ G1/8 release-air line available
- ✓ Magnet (-S) for CMSE/DMSE sensors?
Installation & Safety Notes
- check Engage the lock only after the rod has stopped — not as 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 Add safety-rated controls for man-rated / overhead loads.
- check Use SE mounting accessories (FTC excepted).
Airtac BSE Clamp Standard Cylinder BSE63X25 FAQ
The spring-applied collet engages instantly, providing a 2200 N bidirectional static hold with no live air. It is a fail-safe holding device, not a dynamic brake, so engage it only after the rod stops.
At 0.5 MPa, push is 1559 N and pull is 1402 N. At the 0.7 MPa ceiling, push is 2182 N (max 222 kgf drive). The separate static holding force of the lock is 2200 N.
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