Airtac BSE Clamp Standard Cylinder BSE63X900
The AirTAC Airtac BSE Clamp Standard Cylinder BSE63X900 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, 900mm stroke, PT3/8 cylinder ports, G1/8 lock-release port.
- BoreØ63 mm
- Stroke900 mm
- Static holding force2200 N
- Lock typeSpring-lock / air-release
- Cylinder portPT3/8
- Lock-release portG1/8
About the Airtac BSE Clamp Standard Cylinder BSE63X900
The AirTAC BSE63X900 is a double-acting ISO 15552 profile cylinder with a 900 mm stroke and an integrated spring-applied, air-released rod lock. A collet clamps the Ø20 mm piston rod, providing a bidirectional static holding force of 2200 N. If air is lost or an E-stop trips, the lock engages instantly to hold the load in place without live air. The operating pressure is capped at 0.7 MPa.
This unit uses a separate G1/8 release port to overcome the clamping spring. The lock is a fail-safe holding device, not a dynamic brake. You must engage it only after the rod stops, and release it only when piston pressures are balanced. This SKU has no magnet, so it does not support position sensing.
Rod Lock — 2200 N Static Holding (Ø63mm)
A spring clamps the collet onto the rod, so the Airtac BSE Clamp Standard Cylinder BSE63X900 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 BSE63X900 Technical Specifications
| Model | Airtac BSE Clamp Standard Cylinder BSE63X900 |
|---|---|
| Series | BSE ISO 15552 rod-lock cylinder |
| Bore size | Ø63 mm |
| Stroke | 900 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 BSE63X900
| B | Rod-lock cylinder prefix. |
|---|---|
| SE | ISO 15552 standard double-acting body. |
| 63 | Bore size in mm. |
| ×900 | 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 BSE63X900 Is Used
Packaging Palletizer
Holds a vertical lift carriage mid-stroke during a sudden air pressure drop, preventing a 2200 N load from crashing down.
CNC Tooling Clamp
Locks a machining fixture in place when the E-stop is hit, keeping the 1559 N drive load exactly where it stopped.
Pallet Stop Gate
Maintains a heavy product stop at full 900 mm extension during main air exhaustion, holding against impact without drifting.
Is the Airtac BSE Clamp Standard Cylinder BSE63X900 the Right Cylinder?
Verify your suspended load is under the 2200 N holding limit. If you need less force, the 50 mm bore offers 982 N push at 0.5 MPa and a 1400 N hold. If you need more, the 80 mm bore provides 2513 N push at 0.5 MPa and a 3600 N hold. Match your replacement by bore, 900 mm stroke, PT3/8 port, and basic mounting. SE mounting accessories fit this body except FTC. At 900 mm stroke, prevent side-loading by guiding the external load to avoid binding.
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 BSE63X900 FAQ
On air loss, the spring-applied collet engages to provide a 2200 N static holding force. The drive forces are 1559 N push and 1402 N pull at 0.5 MPa, 2182 N push at 0.7 MPa, with a max drive of 222 kgf.
Apply 0.15-0.7 MPa to the G1/8 release port only after balancing pressures on both sides of the piston. Wait at least 0.5 seconds for the collet to fully release before commanding movement.
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