Airtac BSE Clamp Standard Cylinder BSE40X900
The AirTAC BSE Clamp Standard Cylinder BSE40X900 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 Ø16mm rod and holds up to 900 N in either direction — no drift. Ø40mm bore, 900mm stroke, PT1/4 cylinder ports, G1/8 lock-release port.
- BoreØ40 mm
- Stroke900 mm
- Static holding force900 N
- Lock typeSpring-lock / air-release
- Cylinder portPT1/4
- 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 BSE Clamp Standard Cylinder BSE40X900
The AirTAC BSE40X900 is a double-acting ISO 15552 profile cylinder featuring an integrated spring-applied, air-released rod lock. It delivers a bidirectional static holding force of 900 N, instantly clamping the piston rod if air pressure drops or an E-stop is triggered.
Operating pressure is capped at 0.7 MPa, and the lock unlocks via a dedicated G1/8 port. This 900 mm unit is a made-to-order non-standard stroke exceeding the 800 mm catalog maximum. It lacks a magnet for position sensing, and the 30 mm adjustable air cushions only soften end-of-stroke impacts—the collet lock provides the actual holding force.
Rod Lock — 900 N Static Holding (Ø40mm)
A spring clamps the collet onto the rod, so the Airtac BSE Clamp Standard Cylinder BSE40X900 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 BSE40X900 Technical Specifications
| Model | Airtac BSE Clamp Standard Cylinder BSE40X900 |
|---|---|
| Series | BSE ISO 15552 rod-lock cylinder |
| Bore size | Ø40 mm |
| Stroke | 900 mm |
| Static holding force | 900 N |
| Cylinder port | PT1/4 |
| Lock-release port | G1/8 |
| Rod thread | M12×1.25 |
|---|---|
| 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, 30 mm |
| Max stroke | Up to 800 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa (max) | 880 N | — |
| Max drive (@0.7 MPa) | 90 kgf | |
Drive force is separate from the 900 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 BSE40X900
| B | Rod-lock cylinder prefix. |
|---|---|
| SE | ISO 15552 standard double-acting body. |
| 40 | 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 BSE40X900 Is Used
Vertical Pneumatic Lift
Secures a 900 mm vertical lifting stage in packaging equipment. The 900 N fail-safe collet lock prevents gravity-driven drops when shop air is exhausted.
Tooling Clamp Hold
Maintains clamping force on a machining fixture. The spring-applied collet holds the 40 mm rod rigidly in both directions during an emergency air loss.
Pallet Stop Gate
Acts as a 900 mm stroke stop gate on a conveyor. The lock keeps the rod extended securely across the lane without consuming live air during dwell times.
Is the Airtac BSE Clamp Standard Cylinder BSE40X900 the Right Cylinder?
Verify your suspended load stays below the 900 N holding capacity. If you need less drive force, the adjacent 32 mm bore offers 402 N push at 0.5 MPa and a 600 N hold. Stepping up to the 63 mm bore yields 1559 N push at 0.5 MPa and a 2200 N hold. Always engage the lock only after the rod fully stops, and release it only when piston pressures are balanced, allowing at least 0.5 s before moving.
To replace this cylinder, match the 40 mm bore, 900 mm stroke, PT1/4 cylinder port, and mounting style. Because this 900 mm stroke is non-standard and exceeds the 800 mm maximum, ensure external guide rails support the rod to prevent excessive side-loading and premature seal wear.
Quick checklist
- ✓ Load to hold ≤ 900 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 BSE40X900 FAQ
The lock is spring-applied and fail-safe. If air is lost, the internal collet instantly clamps the rod, providing a 900 N bidirectional static holding force to prevent drift.
Drive forces are 628 N push and 528 N pull at 0.5 MPa, 879 N push at 0.7 MPa, and a maximum 90 kgf drive. The separate static holding force of the rod lock is 900 N.
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Standard models are processed and dispatched in 3-5 business days.
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