Airtac SAILF Front Locking Pneumatic Cylinder SAILF80X600S
The AirTAC Airtac SAILF Front Locking Pneumatic Cylinder SAILF80X600S is a genuine double-acting ISO 15552 profile cylinder with a Ø80mm bore, 600mm 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.
- BoreØ80 mm
- Stroke600 mm
- Port sizeG3/8
- Lock positionFront cover
- Rod threadM20×1.5
- 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 SAILF80X600S
The AirTAC SAILF80X600-S is a double-acting ISO 15552 profile cylinder featuring a spring-applied, air-released mechanical lock housed in the front cover. Because the lock sits forward, it securely holds the rod at the fully extended stroke end. In the 80 mm bore class, this actuator generates 2513 N of push force and 2268 N of pull force at 0.5 MPa. The carbon steel rod provides durable resistance to bending under load.
This model includes a magnetic piston (-S) for position sensing using AirTAC CMSE reed or DMSE electronic solid-state switches. A key design trait is that the variable air cushion at the locker end is physically shorter (22.5 mm) than the free end cushion (36 mm). The lock itself is a static holding device that engages only after the piston stops at the stroke terminal; it does not act as a mid-stroke clamp or a dynamic brake for moving rods.
Airtac SAILF Front Locking Pneumatic Cylinder SAILF80X600S Technical Specifications
| Model | Airtac SAILF Front Locking Pneumatic Cylinder SAILF80X600S |
|---|---|
| Series | SAIL ISO 15552 cylinder with lock |
| Bore size | Ø80 mm |
| Stroke | 600 mm |
| Acting type | Double acting, with lock |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable (36 mm free end / 22.5 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 SAILF80X600S Is Used
Extended Lift Holding
Secures vertical lifts in the extended position. The spring-applied lock engages automatically upon reaching the forward stroke end, preventing collapses during air pressure loss.
Conveyor Diverter Hold
Maintains a diverter arm in the outward extended state without consuming continuous live air. The 2513 N thrust handles heavy product routing on packaging lines.
Safety Gate Locking
Keeps heavy machine safety gates open and locked at the full extension point. The manual release lever allows operators to safely override the lock during maintenance.
Is the Airtac SAILF Front Locking Pneumatic Cylinder SAILF80X600S the Right Lock Cylinder?
Choose this 80 mm bore when an application requires 2513 N of thrust at 0.5 MPa and positive load holding at the extended position. If your system needs less force, stepping down to a 63 mm bore yields 1559 N of push force. Conversely, moving up to a 100 mm bore provides 3927 N. Select the SAILF configuration specifically when the danger of a load dropping exists while the rod is extended out; choose SAILB instead if the load must be secured in the retracted position. If the mechanism requires clamping at an arbitrary mid-stroke point rather than at the end, the BSAI clamp-lock cylinder is the correct choice.
When ordering a replacement, verify the 80 mm bore, 600 mm stroke, front locker position, 3/8 PT port thread, and the -S magnet option. Because this stroke is 600 mm, guide the load properly to prevent excessive side-loading on the carbon steel rod. For safe operation, never use a fast-exhaust valve with this cylinder; back-pressure on the locker side can unintentionally release the lock. Use an independent-exhaust solenoid valve instead, and always add an independent mechanical safety measure if human safety depends on the load remaining extended.
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 SAILF80X600S FAQ
At 0.5 MPa operating pressure, the 80 mm bore generates 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
The lock is spring-applied and air-released, holding the rod securely only at the extended stroke end. It unlocks automatically by supplying air to the release port or manually via a lever. It is a static hold, not a dynamic brake, and does not lock at mid-stroke.
Related AirTAC Lock & Standard Cylinders
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