Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S
The AirTAC Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S is a genuine double-acting ISO 15552 profile cylinder with a Ø160mm bore, 500mm stroke and a built-in spring-applied, air-released mechanical lock in the front cover — it holds the load at the extended (rod-out) stroke end even when air is lost.
- BoreØ160 mm
- Stroke500 mm
- Port sizeG3/4
- Lock positionFront cover
- Rod threadM36×2
- UnlockAir + manual
- 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 SAILF Front Locking Pneumatic Cylinder SAILF160X500S
The AirTAC SAILF160X500-S is a double-acting ISO 15552 profile cylinder featuring a built-in mechanical lock in the front cover. Because the lock is spring-applied and air-released, cutting the release air drives a lock pin into the rod, securely holding the load at the extended stroke end without relying on live pressure. In this 160mm bore configuration, the cylinder generates a substantial 14074N of push force at 0.7MPa, making it well-suited for heavy vertical lifting tasks.
This model includes a standard magnet (-S) for direct compatibility with AirTAC CMSE reed switches and DMSE solid-state sensors. A notable design detail is the variable air cushion: the locker end features a 28mm cushion stroke, which is noticeably shorter than the 50mm cushion found on the free end. Remember that the lock is a static holding device that engages after the rod stops; it is not a dynamic mid-stroke brake.
Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S Technical Specifications
| Model | Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S |
|---|---|
| Series | SAIL ISO 15552 cylinder with lock |
| Bore size | Ø160 mm |
| Stroke | 500 mm |
| Acting type | Double acting, with lock |
| Port size | G3/4 |
| Rod thread | M36×2 |
| Lock type | Spring-applied, air-released (front cover) |
|---|---|
| Unlock | Automatic (air) & manual |
| Operating pressure | 0.15 – 1.0 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable (50 mm free end / 28 mm lock end) |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAIL datasheet (ISO 15552). Confirm against the product label before installation. Port options: PT / G.
How the Lock Holds
The lock is spring-applied and air-released: a spring drives a lock pin into the rod when the release air is removed, so the load is held at the extended (rod-out) stroke end without live pressure. Supply air to the release port to unlock automatically, or use the manual release lever.
The lock engages only when the piston reaches the stroke terminal on the front-cover side — it is a static end-of-stroke hold, not a mid-stroke clamp and not a moving-rod brake. For locking at any position along the stroke, choose a BSAI clamp-lock instead.
Theoretical Output Force (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Cylinder thrust is separate from the lock's holding capability. Actual usable force is lower than theoretical due to friction and back-pressure — size with a margin.
Where the Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S Is Used
Vertical Lift Safety
Secures elevated heavy loads at the full extension point instantly upon air pressure loss, preventing sudden drops on heavy machinery.
Heavy Clamping Hold
Maintains high clamping force on large components without consuming continuous compressed air, locking firmly at the extended stroke end.
Gate Safety Hold
Keeps heavy safety gates or industrial doors securely open at full extension until an intentional air release signal is sent.
Is the Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S the Right Lock Cylinder?
Choose this 160mm bore SAILF model when an application requires holding a heavy load at the extended rod-out position during a power loss. If your system needs slightly less force, stepping down to a 125mm bore yields 8590N of push at 0.7MPa. Conversely, if you need to secure the load at the retracted rod-in position, the SAILB variant is the correct choice. For applications requiring locking at an arbitrary mid-stroke point rather than a stroke end, select the BSAI clamp-lock cylinder instead.
When integrating this unit, strictly avoid fast-exhaust valves, as back-pressure on the locker side can inadvertently release the lock; always use an independent-exhaust solenoid valve. If human safety depends on the load remaining elevated, add an independent mechanical safety measure. To replace this cylinder, match the 160mm bore, 500mm stroke, front lock position, 3/4-inch PT port, and the -S magnet. Given the 500mm stroke, ensure adequate side-load support by using a guide rail to prevent rod binding.
Quick checklist
- ✓ Hold needed at the extended (rod-out) end?
- ✓ Or lock anywhere → use BSAI
- ✓ Independent-exhaust valve fitted
- ✓ Port/thread type (PT/G)
- ✓ Extra safety measure for people
Airtac SAILF Front Locking Pneumatic Cylinder SAILF160X500S FAQ
At 0.7MPa, this 160mm bore cylinder provides 14074N of push force and 14074N of pull force. It achieves a maximum push force of 2050kgf at 1.0MPa.
The lock is spring-applied and air-released. It engages automatically to hold the rod at the extended stroke end when pressure is cut. To unlock, supply release air or use the manual release lever.
Related AirTAC Lock & Standard Cylinders
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