Airtac SAILF Front Locking Pneumatic Cylinder SAILF200X50S
The AirTAC Airtac SAILF Front Locking Pneumatic Cylinder SAILF200X50S is a genuine double-acting ISO 15552 profile cylinder with a Ø200mm bore, 50mm 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.
- BoreØ200 mm
- Stroke50 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 SAILF200X50S
The AirTAC SAILF200X50-S is a double-acting ISO 15552 profile cylinder featuring a built-in mechanical lock in the front cover. Because this is a SAILF variant, the spring-applied, air-released lock engages precisely when the piston reaches the extended stroke end, rigidly securing the rod-out position. In the 200mm bore class, it generates 15708N of push force and 15080N of pull force at 0.5 MPa, making it suited for the heaviest load-holding tasks.
This unit includes the -S magnet option for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. The variable air cushion at the locker end is 28mm, intentionally shorter than the 50mm cushion on the rear end to accommodate the locking hardware. The lock is a static holding device that engages after the rod stops, not a dynamic brake for a moving load.
Airtac SAILF Front Locking Pneumatic Cylinder SAILF200X50S Technical Specifications
| Model | Airtac SAILF Front Locking Pneumatic Cylinder SAILF200X50S |
|---|---|
| Series | SAIL ISO 15552 cylinder with lock |
| Bore size | Ø200 mm |
| Stroke | 50 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 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 SAILF200X50S Is Used
Heavy Press Hold
Secures a large press platen in the extended position under 15080N of pull load, preventing gravity-driven drops during full pneumatic pressure loss.
Overhead Lift Lock
Maintains a lifted 200mm bore load at the rod-out stroke end without consuming continuous air, engaging automatically once the cylinder reaches the terminal.
Large Gate Safety
Holds heavy industrial gates or bulkheads open at the extended end, utilizing the manual release lever for controlled lowering during maintenance.
Is the Airtac SAILF Front Locking Pneumatic Cylinder SAILF200X50S the Right Lock Cylinder?
Choose this 200mm bore when maximum thrust is required, stepping down to the 160mm bore (10053N push at 0.5MPa) if the load permits. Select this SAILF configuration to hold the load at the extended rod-out position; choose a SAILB model instead if your application requires holding at the retracted position. If your process requires clamping at an arbitrary mid-stroke point rather than a stroke-end hold, use the AirTAC BSAI clamp-lock cylinder instead.
The spring-applied lock safely holds the extended load without live air pressure, but you must use an independent-exhaust solenoid valve, as fast-exhaust valves can create back-pressure on the locker side and accidentally release the lock. For human safety around suspended loads, always add an independent mechanical safety measure. Replacement parts must match the 200mm bore, 50mm stroke, front locker position, PT tapered ports, and the -S magnet specification.
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 SAILF200X50S FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At the maximum 1.0 MPa operating pressure, it delivers up to 3204 kgf.
The lock is spring-applied and air-released, engaging statically only when the rod reaches the extended stroke end. It releases automatically by supplying air to the release port, or manually via the lever. It cannot clamp at a mid-stroke position.
Related AirTAC Lock & Standard Cylinders
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