Airtac BSAI Locking Clamp Cylinder BSAI80X175S
The AirTAC Airtac BSAI Locking Clamp Cylinder BSAI80X175S is a genuine double-acting ISO 15552 cylinder with a Ø80mm bore, 175mm 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 3600 N.
- BoreØ80 mm
- Stroke175 mm
- Cylinder portG3/8
- TypeSingle rod (BSAI)
- Enclasp portG1/8
- Rod threadM20×1.5
- 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 BSAI Locking Clamp Cylinder BSAI80X175S
The AirTAC BSAI80X175-S is a double-acting ISO 15552 profile cylinder featuring a built-in spring-applied, air-released clamp-lock. It secures the 25mm carbon steel rod at any position along its 175mm travel, providing a robust static holding force of 3600N. Because it includes the -S magnet option, it integrates seamlessly with AirTAC CMSE reed and DMSE solid-state sensors for precise end-position detection.
It is crucial to distinguish this 3600N holding force from the cylinder thrust, which is 2513N push and 2268N pull at 0.5MPa (or 3518N push at the 0.7MPa maximum). The clamp operates via a dedicated G1/8 enclasp port, separate from the 3/8 cylinder ports. Remember that the variable air cushion only decelerates the piston near stroke end; the clamp is the true load-holder, engaging only after the rod has fully stopped.
Airtac BSAI Locking Clamp Cylinder BSAI80X175S Technical Specifications
| Model | Airtac BSAI Locking Clamp Cylinder BSAI80X175S |
|---|---|
| Series | BSAI ISO 15552 clamp-lock cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 mm |
| Type | Single rod (BSAI), double acting |
| Cylinder port | G3/8 |
| Rod thread | M20×1.5 |
| Lock type | Spring-applied, air-released clamp (any position) |
|---|---|
| Static holding force | 3600 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 1000 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.
How the Clamp-Lock Holds
static holding force (Ø80 mm)
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.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa (max) | 3519 N | — |
Push/pull as tabulated. Rated to the 0.7 MPa operating maximum for this series. The clamp holding force (3600 N) is separate from cylinder thrust. Size with a margin.
Where the Airtac BSAI Locking Clamp Cylinder BSAI80X175S Is Used
Vertical Load Holding
Secures elevated masses at any point in the stroke, preventing sudden drops if air pressure is lost.
Machining Position Lock
Freezes the rod during drilling or clamping operations where live pneumatic force might fluctuate.
Power Loss Safety
Holds the workpiece safely in place anywhere along the travel during an unexpected emergency stop.
Is the Airtac BSAI Locking Clamp Cylinder BSAI80X175S the Right Clamp-Lock?
Choose this 80mm bore when an application demands mid-stroke load security that a plain SAI or a stroke-end-only SAIL cannot provide. If your load requires less holding power, stepping down to the 63mm bore offers 1559N thrust and a 2200N clamp hold; if you need more, the 100mm bore provides 3927N thrust and 5500N holding force. The 25mm rod and M20x1.5 thread provide excellent rigidity and side-load resistance for a 175mm stroke.
For replacements, verify the 80mm bore, 175mm stroke, PT port threads, and the -S magnet. The single-rod design accepts Basic, FA, FB, CA, CB, CR, LB, TC, TCM1, and TCM2 mounts. Always ensure the cylinder has stopped before locking, and apply balanced pressure to the unlock port to prevent the rod from jumping abruptly. For safety-critical human loads, add an independent mechanical safety measure.
Quick checklist
- ✓ Hold needed at any position?
- ✓ Or stroke-end only → use SAIL
- ✓ Holding force ≥ your load
- ✓ Balanced-pressure unlock circuit
- ✓ Extra safety measure for people
Airtac BSAI Locking Clamp Cylinder BSAI80X175S FAQ
The integrated clamp-lock provides a static holding force of 3600N. It can secure the rod at any position along the 175mm stroke, but it only engages after the cylinder has stopped moving.
The lock is released by supplying air to the G1/8 enclasp port, but only after the air pressures on both sides of the piston are balanced. If pressures are unbalanced, the rod can move abruptly upon release.
Related AirTAC Lock & Standard Cylinders
Request a Quote for Airtac BSAI Locking Clamp Cylinder BSAI80X175S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.