Airtac SAILF Front Locking Pneumatic Cylinder SAILF100X150S
The AirTAC SAILF Front Locking Pneumatic Cylinder SAILF100X150S is a genuine double-acting ISO 15552 profile cylinder with a Ø100mm bore, 150mm 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.
- BoreØ100 mm
- Stroke150 mm
- Port sizeG1/2
- 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 SAILF100X150S
The AirTAC SAILF100X150-S is a double-acting ISO 15552 profile cylinder equipped with a magnetic piston and a mechanical lock housed in the front cover. Because it is a front-locker (SAILF), the spring-applied, air-released mechanism engages when the rod reaches the fully extended stroke end, securely holding the load outward without relying on live air pressure. In the 100mm bore class, it generates 5497N of push force and 3681N of pull force at 0.7 MPa.
This unit features a carbon steel rod and PT tapered port threads. A distinct mechanical advantage is its variable air cushioning; the cushion at the locker end measures 24mm, which is intentionally shorter than the 36mm cushion on the free end to accommodate the locking hardware. For position sensing, the integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches.
Airtac SAILF Front Locking Pneumatic Cylinder SAILF100X150S Technical Specifications
| Model | Airtac SAILF Front Locking Pneumatic Cylinder SAILF100X150S |
|---|---|
| Series | SAIL ISO 15552 cylinder with lock |
| Bore size | Ø100 mm |
| Stroke | 150 mm |
| Acting type | Double acting, with lock |
| Port size | G1/2 |
| 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 / 24 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SAILF100X150S Is Used
Extended Lift Holding
Maintains vertical loads securely at the top of the extended stroke during a power loss, utilizing the front mechanical lock to prevent gravity-induced drops.
Pallet Stop Gate
Acts as a rigid, air-released stop barrier on conveyor lines, holding the extended position firmly against accumulating pallets without consuming continuous air.
Outboard Clamp Station
Provides a reliable outward clamping force at the end of the stroke, keeping the workpiece fixed in place while machining operations occur.
Is the Airtac SAILF Front Locking Pneumatic Cylinder SAILF100X150S the Right Lock Cylinder?
Select this 100mm bore when an application demands robust end-of-stroke holding at the extended position; if you need to hold the load retracted instead, choose the SAILB variant. Stepping down to an 80mm bore reduces the 0.5MPa push force to 2513N, whereas upgrading to 125mm increases it to 6136N. Crucially, the SAIL lock is a static holding device that engages only after the rod stops at the stroke terminal—it is not a mid-stroke clamp or a dynamic brake. If your cycle requires clamping at an arbitrary mid-stroke position, the BSAI clamp-lock cylinder is the correct choice.
When integrating this cylinder, avoid fast-exhaust valves; back-pressure on the locker side can inadvertently release the lock, so an independent-exhaust solenoid valve is required. For safety-critical lifting applications where human safety depends on the load staying up, always add an independent mechanical safety measure. Replacement specifications must match the 100mm bore, 150mm stroke, front locker position, 1/2-inch PT port, and -S magnet.
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 SAILF100X150S FAQ
At a 0.7 MPa operating pressure, this 100mm bore cylinder generates 5497N of push force and 3681N of pull force. The maximum theoretical push force is 801 kgf at 1.0 MPa.
The lock is spring-applied and air-released, engaging only when the piston reaches the fully extended stroke end in the front cover. It provides a static hold after the rod stops, and can be unlocked automatically via air pressure or manually using the release lever.
Related AirTAC Lock & Standard Cylinders
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