
The AirTAC Airtac BSAI Locking Clamp Cylinder BSAI32X150S is a genuine double-acting ISO 15552 cylinder with a Ø32mm bore, 150mm stroke and a spring-applied, air-released clamp-lock that holds the rod at ANY position along its travel — with a static holding force of 600 N.
The AirTAC BSAI32X150-S is a double-acting ISO 15552 profile cylinder with a spring-applied, air-released clamp-lock that grips the carbon steel rod to hold the load at any position along its 150 mm travel. It delivers a practical push thrust of 563 N at 0.7 MPa. Crucially, the 600 N static holding force is a separate rating from the cylinder thrust; you must size this clamp holding value against your static load, not the pneumatic push force.
This unit includes a -S magnet for precise position sensing with AirTAC CMSE (reed) or DMSE (electronic) switches. The clamp mechanism relies on a third G1/8 enclasp port to release the rod, operating within a 0.15-0.7 MPa range. Remember that the variable air cushion only decelerates the piston near the stroke ends; the mechanical clamp is what actually secures the load.
| Model | Airtac BSAI Locking Clamp Cylinder BSAI32X150S |
|---|---|
| Series | BSAI ISO 15552 clamp-lock cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 mm |
| Type | Single rod (BSAI), double acting |
| Cylinder port | G1/8 |
| Rod thread | M10×1.25 |
| Lock type | Spring-applied, air-released clamp (any position) |
|---|---|
| Static holding force | 600 N |
| Enclasp / unlock port | G1/8 |
| Operating pressure | 0.15 – 0.7 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Max stroke | Up to 700 mm |
Specifications follow the official AirTAC BSAI datasheet (ISO 15552). Operating pressure is 0.15–0.7 MPa (lower than a plain SAI). Port options: PT / G.
A spring-applied gripper clamps the rod and holds the load at any position in the stroke — not just at the stroke end (that is a SAIL) — and it is bidirectional: it holds whether the rod was extending or retracting.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa (max) | 563 N | — |
Push/pull as tabulated. Rated to the 0.7 MPa operating maximum for this series. The clamp holding force (600 N) is separate from cylinder thrust. Size with a margin.
Secures a lifted payload at any intermediate height during a cycle, preventing gravity from drifting the rod down when air pressure is removed.
Engages instantly upon loss of air pressure to clamp the rod, holding the static load safely until system pressure is restored and balanced.
Freezes the workpiece at a precise non-end location for a secondary drilling or inspection process without maintaining live pneumatic thrust.
Choose this 32 mm bore when an application requires intermediate stopping, as a plain SAI cylinder only coasts to the end. If your load exceeds the 600 N holding capacity, stepping up to the 40 mm bore increases the clamp force to 900 N and the thrust to 879 N at 0.7 MPa. The clamp locks only after the rod has stopped and cannot brake a moving load; furthermore, it must be unlocked with balanced air pressures to prevent the rod from jumping abruptly. For safety-critical vertical axes, an independent external measure is required.
This BSAI32X150-S configuration features a PT port thread, a 12 mm rod with an M10x1.25 thread, and accepts Basic, FA, FB, CA, CB, CR, LB, TC, TCM1, or TCM2 mounts. Because the stroke is under 300 mm, the integrated rod handles standard side loads well without needing an external guide.
Quick checklist
It uses a spring-applied, air-released mechanism that grips the rod to hold a load at any stroke position with a static holding force of 600 N. It is bidirectional, meaning it holds securely whether the rod was extending or retracting.
The clamp unlocks only when the air pressures on both sides of the piston are balanced and the cylinder has stopped, using the G1/8 enclasp port. If unlocked with unbalanced pressure, the rod can move abruptly and cause a hazard.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.