Airtac SILF Front Locking Air Cylinder SILF50X350
Genuine AirTAC ø50 mm end-lock iso 15552 cylinder, order code SILF50X350 from the SIL50 range. The options this code selects are decoded below; series data follow the official AirTAC catalog.
- Stroke350 mm
- MountingBasic (no mounting)
- VersionFront lock (F) · - · PT
- Bore sizeØ50 mm
- Stock strokes10 – 1200 mm
- Catalog standard strokeup to 1200 mm (longer on request)
- 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 SILF Front Locking Air Cylinder SILF50X350
AirTAC builds the SILF50X350 as a double-acting ISO 15552 cylinder with a 50 mm bore, a 350 mm stroke and the mechanical end lock built into the front (rod-end) cover. The SILF/SILB series has been discontinued: every SILF50X350 order is supplied as the current SAILF50X350 with the same code after the prefix, and all figures below are those of the SAILF50X350 you receive.
Bore and pressure set the output: 982 N push and 825 N pull at 0.5 MPa, rising to 1374 N push and 1155 N pull at 0.7 MPa, the same at any stroke length. The front-cover lock holds the rod while the lock-side port is exhausted, releases automatically when air is applied to that port, and can be opened by hand with the built-in lever. The cylinder runs on filtered air at 0.15 to 1.0 MPa through 1/4 in PT ports, from -20 to +70 C at 30 to 800 mm/s, with adjustable air cushions.
Airtac SILF Front Locking Air Cylinder SILF50X350 Technical Specifications
| Order code | SILF50X350 |
|---|---|
| Product | Ø50 mm end-lock ISO 15552 cylinder |
| Stroke | 350 mm |
| Mounting | Basic (no mounting) |
| Version | Front lock (F) · - · PT |
| Bore size | Ø50 mm |
|---|---|
| Stock strokes | 10 – 1200 mm |
| Catalog standard stroke | up to 1200 mm (longer on request) |
| Acting type | Double acting, with end lock |
| Lock position | Front cover (F) |
| Lock release | Automatic (air on the lock-side port) or manual lever |
| Port size | 1/4" (PT standard) |
| Piston rod / rod thread | Ø20 mm / M16×1.5 |
| Fluid | Air (filtered by 40 µm element) |
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable air cushions |
Source: AirTAC Products Catalog 2026A (PDF01-P0376/P0377), SAIL specifications and ordering code; body as SAI. The SILF/SILB series is discontinued; these are the SAILF/SAILB specifications.
How to choose
This is the basic-mounted, no-magnet member of the 350 mm family: mounting uses the cylinder body itself, and there is no position sensor because the magnet code position is blank. The neighbouring SILF50X350S adds an S magnet for position sensors - keep this code if you need only the end-lock hold and no electrical feedback. A 350 mm stroke adds body length, weight and air consumption without adding force, so confirm the travel is really what your fixture needs. If the load moves in an arc, quote the CA single clevis or TC center trunnion variants, and add G to the port position for G (BSPP) threads instead of the standard PT.
Applications
Long-stroke stop and hold
A 350 mm throw holds a pallet stop or transfer carriage clear of a conveyor line; the front-cover lock keeps the rod from drifting if plant air is lost.
Vertical gate and guard lift
With the lock-side port exhausted, a lifted gate or guard stays up until air on the lock port or the manual lever releases it.
Long-travel slide drive
Driving a slide or feeder over 350 mm at 30 to 800 mm/s, with adjustable air cushions decelerating the moving mass at each end.
FAQ
What are the key figures of the SILF50X350?
Bore 50 mm, stroke 350 mm, 20 mm piston rod with M16x1.5 thread, 1/4 in PT ports, double acting with a front-cover end lock, no magnet. Operating pressure 0.15 to 1.0 MPa (proof 1.5 MPa), temperature -20 to +70 C, speed 30 to 800 mm/s, adjustable air cushions, basic mounting. Output: 982 N push and 825 N pull at 0.5 MPa; 1374 N push and 1155 N pull at 0.7 MPa.
I ordered a SILF50X350 - what exactly will I receive?
AirTAC has discontinued the SILF/SILB series, so your SILF50X350 ships as the current SAILF50X350 with the same code after the prefix. All specifications on this page are those of that SAILF50X350 replacement unit; there is no separate old-series version behind this code.