Airtac BSAID Clamp Cylinder BSAID80X450
The AirTAC Airtac BSAID Clamp Cylinder BSAID80X450 is a genuine double-acting ISO 15552 cylinder with a Ø80mm bore, 450mm 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
- Stroke450 mm
- Cylinder portG3/8
- TypeDouble rod (BSAID)
- Enclasp portG1/8
- Rod threadM20×1.5
About the Airtac BSAID Clamp Cylinder BSAID80X450
The AirTAC BSAID80X450 is a double-acting ISO 15552 profile cylinder featuring a double-rod design and an integrated spring-applied, air-released clamp-lock. It provides a static holding force of 3600 N, gripping the rod securely at any position along its 450 mm travel. Because it is a double-rod unit, the thrust is equal in both directions at 2268 N (0.5 MPa), and having a rod extending from both ends allows you to mount a workpiece on one side and a counterweight or position flag on the other for dual-side guidance.
It is crucial to distinguish this 3600 N holding force from the cylinder's 2268 N thrust—the clamp size must be matched against your static load, not the pneumatic push force. The clamp engages via a separate G1/8 enclasp port and locks only after the piston has stopped; it cannot brake a moving load. Furthermore, the variable air cushion at the stroke ends only decelerates the piston and does not contribute to holding the load.
Airtac BSAID Clamp Cylinder BSAID80X450 Technical Specifications
| Model | Airtac BSAID Clamp Cylinder BSAID80X450 |
|---|---|
| Series | BSAI ISO 15552 clamp-lock cylinder |
| Bore size | Ø80 mm |
| Stroke | 450 mm |
| Type | Double rod (BSAID), 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 | — |
Equal force both directions (double rod). 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 BSAID Clamp Cylinder BSAID80X450 Is Used
Vertical Load Holding
Locks a lifting platform securely at any point in its 450mm travel, preventing gravity-driven drops during a power loss.
Machining Position Hold
Clamps a dual-sided workpiece fixture rigidly in place for machining or inspection, using the second rod for a position flag.
Emergency Safety Stop
Holds a suspended load mid-stroke safely after the cylinder stops, though independent safety measures are required for human safety.
Is the Airtac BSAID Clamp Cylinder BSAID80X450 the Right Clamp-Lock?
Choose this double-rod clamp-lock model when you need equal force both ways and multi-point holding along the stroke. If you only need to hold at the stroke ends, a plain SAI cylinder suffices, and a SAIL locks only at the end—this BSAID locks anywhere. If you need higher holding capacity, stepping up to the 125 bore provides 8600 N holding force and 5734 N thrust at 0.5 MPa.
For safe operation, unlock the clamp only when pressures are balanced to prevent the rod from jumping abruptly, and note that human-safety applications require an independent mechanical measure. This 80 mm bore uses 3/8 PT cylinder ports plus the G1/8 unlock port. The 25 mm rod with an M20x1.5 thread handles side loads well, but at 450 mm stroke you should use an external guide rail. The BSAID mounting set omits FB, CA, CB, and CR brackets, accepting only Basic, FA, LB, TC, TCM1, and TCM2 styles.
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 BSAID Clamp Cylinder BSAID80X450 FAQ
The integrated clamp-lock provides a static holding force of 3600 N. It grips the 25 mm rod bidirectionally at any position along the 450 mm stroke, but only after the cylinder has stopped moving.
The clamp is released via the G1/8 enclasp port. You must balance the air pressures on both sides of the piston before unlocking; otherwise, the rod can jump abruptly. It cannot brake a moving load.
Related AirTAC Lock & Standard Cylinders
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