Lo-V Rupture Disc Assembly...One Rupture Disc for Two Jobs
The Fike Lo-V is a bi-directional rupture disc that is designed to relieve undesired pressure conditions in two different directions. Depending on how the holder is oriented, the Lo-V disc can perform the tasks of two different rupture discs!
Here's how it works:
Negative Pressure Relief
In a typical storage tank application, when there is negative system pressure nearing the marked reverse-acting burst pressure of the rupture disc, the buckle sections begin to reverse, and the disc seal is contacted by the knife blades located in the holder inlet.
This contact causes the seal to be penetrated at the touch point and a triangular pattern is cut to relieve the negative pressure. This buckle section controls the standard minimum to maximum inches of water column vacuum rating. After reversing, the pre-punched holes in the perforated
metal top section provide optimum flow through the rupture disc when relieving negative pressure.
Positive Pressure Relief
The perforated metal top features 6 holes at the apex of the rupture disc. These holes control the burst pressure in a forward-acting burst scenario. Six pre-cut sections, in relieving positive overpressure, open in a flower petal arrangement allowing quick relief.
The Lo-V is a non-fragmenting rupture disc and will withstand an 80% operating to stamped burst pressure ratio in the positive direction.
- Bi-directional rupture disc...One rupture disc, two jobs!
- Unique blade design offers superior opening and flow relief - patent pending
- 1" water column minimum burst pressure
- Sanitary and bolt-type configurations
- The Lo-V rupture disc is compatible with many competitive holder designs
- Non-fragmenting
- 3-A approved by independent auditors
- Optional single-direction burst
For more information on Fike Lo-V Rupture Discs (pdf format)...
Installation Instructions for the Lo-V Rupture Disc (pdf format)...
Holders for Lo-V rupture discs:
Bolt Type
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