Airtac BSAID Clamp Cylinder BSAID80X800
The AirTAC Airtac BSAID Clamp Cylinder BSAID80X800 is a genuine double-acting ISO 15552 cylinder with a Ø80mm bore, 800mm 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
- Stroke800 mm
- Cylinder portG3/8
- TypeDouble rod (BSAID)
- Enclasp portG1/8
- Rod threadM20×1.5
About the Airtac BSAID Clamp Cylinder BSAID80X800
The AirTAC BSAID80X800 is a double-acting ISO 15552 profile cylinder featuring a double-rod layout and a spring-applied, air-released clamp-lock mechanism. It delivers a bidirectional holding force of 3600 N at any position along its 800 mm stroke. Because it is a double-rod unit, thrust is equal in both directions at 2268 N (pull at 0.5 MPa), while the rod extending from both ends allows you to mount a workpiece on one side and a guide or counterweight on the other for dual-side anti-rotation. You must size the holding force against your static load, not the cylinder thrust, because the clamp holding force is a separate quantity from the 2268 N drive force.
This enclasp mechanism is not a moving-rod brake; it locks only after the piston has stopped, and it requires a third G1/8 unlock port to release the grip. The variable air cushion at the ends only decelerates the piston near stroke limits and does not hold the load. Unlocking demands balanced air pressure on both sides of the piston, or the rod may jump abruptly. For safety-critical loads, an additional independent measure is required.
Airtac BSAID Clamp Cylinder BSAID80X800 Technical Specifications
| Model | Airtac BSAID Clamp Cylinder BSAID80X800 |
|---|---|
| Series | BSAI ISO 15552 clamp-lock cylinder |
| Bore size | Ø80 mm |
| Stroke | 800 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 BSAID80X800 Is Used
Vertical Axis Drop Prevention
Holds a lifted platen at any height along the 800 mm stroke during a power loss, relying on the 3600 N clamp rather than live air pressure.
Mid-Stroke Machining Hold
Secures a dual-sided workpiece firmly in the center of travel for machining or inspection, using the double-rod layout for balanced support.
Long-Travel Positioning Stop
Locks a transferred pallet at an exact intermediate point in a long conveyor line without relying on end-of-stroke cushions.
Is the Airtac BSAID Clamp Cylinder BSAID80X800 the Right Clamp-Lock?
Choose this 80 mm bore model when you need substantial equal-force clamping over a long 800 mm travel. If you need less holding power, the 63 mm bore offers 1402 N thrust and a 2200 N clamp force; if you need more, the 100 mm bore provides 3681 N thrust and 5500 N holding force. A plain SAID cylinder suffices if you only need drive force without mid-stroke holding, while a SAIL cylinder only locks at stroke ends. The BSAID80X800 beats both by clamping anywhere.
This model uses PT port threads, with a 3/8 cylinder port and the separate G1/8 enclasp port. It accepts Basic, FA, LB, TC, TCM1, and TCM2 mountings (omitting FB, CA, CB, and CR). Because the 800 mm stroke exceeds 300 mm and places high leverage on the 25 mm rod, an external guide is mandatory to prevent side-load damage. It ships without a magnet (-S not specified); adding one enables CMSE reed and DMSE solid-state sensing.
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 BSAID80X800 FAQ
The clamp-lock provides a static holding force of 3600 N. It locks at any position along the 800 mm stroke, but it only engages after the rod has stopped moving; it cannot brake a moving load.
The clamp uses a third G1/8 enclasp port and requires balanced air pressure on both sides of the piston to unlock safely. If pressures are not balanced, the rod can jump abruptly upon release.
Related AirTAC Lock & Standard Cylinders
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