Airtac BSE Clamp Standard Cylinder BSE40X1000S
The AirTAC Airtac BSE Clamp Standard Cylinder BSE40X1000S 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, 1000mm stroke, PT1/4 cylinder ports, G1/8 lock-release port.
- BoreØ40 mm
- Stroke1000 mm
- Static holding force900 N
- Lock typeSpring-lock / air-release
- Cylinder portPT1/4
- Lock-release portG1/8
About the Airtac BSE Clamp Standard Cylinder BSE40X1000S
The AirTAC BSE40X1000S is a double-acting, single-rod ISO 15552 profile cylinder featuring an integrated spring-applied, air-released rod lock. It delivers a bidirectional static holding force of 900 N. Because the lock is fail-safe, it clamps the rod instantly if air pressure drops, preventing suspended loads from drifting. Operating pressure is capped at 0.7 MPa.
A separate G1/8 port supplies air to release the collet lock. You must 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. This 1000 mm stroke exceeds the 800 mm standard maximum, making it a non-standard, made-to-order unit. The -S option includes a magnet for CMSE reed and DMSE electronic sensors.
Rod Lock — 900 N Static Holding (Ø40mm)
A spring clamps the collet onto the rod, so the Airtac BSE Clamp Standard Cylinder BSE40X1000S 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 BSE40X1000S Technical Specifications
| Model | Airtac BSE Clamp Standard Cylinder BSE40X1000S |
|---|---|
| Series | BSE ISO 15552 rod-lock cylinder |
| Bore size | Ø40 mm |
| Stroke | 1000 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 BSE40X1000S
| B | Rod-lock cylinder prefix. |
|---|---|
| SE | ISO 15552 standard double-acting body. |
| 40 | Bore size in mm. |
| ×1000 | 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 BSE40X1000S Is Used
Z-Axis Elevator Hold
Secures a vertical machining axis on air loss, using the 900 N holding force to prevent a suspended spindle carriage from crashing down during an E-stop.
Pneumatic Tool Clamp
Maintains a clamped fixture position on an assembly line when shop air is exhausted, ensuring the 628 N drive force is applied without load drift.
Pallet Stop Gate
Holds a raised conveyor stop gate firmly in place during a line halt, relying on the fail-safe collet rather than live air to resist impact.
Is the Airtac BSE Clamp Standard Cylinder BSE40X1000S the Right Cylinder?
Verify your load requires a holding force of 900 N or less. If you need less drive force, the adjacent 32 mm bore offers a 402 N push at 0.5 MPa and a 600 N hold. If your load exceeds this unit's 879 N push at 0.7 MPa or 900 N hold, step up to the 50 mm bore, which provides a 982 N push at 0.5 MPa and a 1400 N hold. Always balance pressures before unlocking and wait >=0.5 s for full release. To replace this cylinder, match the 40 mm bore, 1000 mm stroke, PT1/4 cylinder port, and -S magnet. Because this stroke is 1000 mm, use external guide rails to prevent side-load damage to the rod and seals. SE mounting accessories fit this body, except FTC.
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 BSE40X1000S FAQ
The integrated rod lock is spring-applied and fail-safe. If air is lost or exhausted, the collet clamps the rod and provides a 900 N bidirectional static holding force, holding the load in place without live air.
The drive force is 628 N push and 528 N pull at 0.5 MPa, and 879 N push at 0.7 MPa (max 90 kgf). The separate static holding force of the lock is 900 N.
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