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The Penberthy Series 4A three or four probe alarm system represents the latest advancement in electronic
level indication. Based on the conductivity probe technology now widely accepted in the industry, it was specially designed to
meet increasing demand for a reliable, cost effective means of sensing water in various applications. The probes can be mounted
directly to the pressure vessel or column. The probes are welded stainless steel HP and IP electrode with zirconia insulator
(3000 psig @ saturation, up to 1200°F [207 barg @ saturation, up to 649°C]) or threaded stainless steel LP electrode
with Teflon® insulator (850 psig @ 525°F [58 barg @ 274°C]). The Series 4A is a direct replacement for mechanical
float switches. Local LED indication of water level in a Type 4X/IP65 enclosure provides either redundant logic or primary visual
verification.
Teflon® is a registered trademark of E.I. du Pont de Nemours & Company
Typical Applications
- Water Intrusion Protection for Turbines
- Sump Pump Protection
- Boiler Drum Level
- Equipment Drains (Desuperheaters, Control Valves, Sootblower Systems)
- Receiver Tanks (Condenser, Water Tank, Deaerator)
- Flash Tanks, Feedwater Heaters
- Steam Line Drain Pots
- High Pressure Systems (where float switches are economically not acceptable)
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