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Alumina Refinery: Overpressure Protection of a Filter Vessel

Mining & Metal Refining Industry

Alumina Refinery: Overpressure Protection of a Filter Vessel
The process of converting bauxite to alumina for aluminium metal refining involves a complex manufacturing process.  Much of this process requires critical temperature and pressure control, which if left unchecked could result in catastrophic consequences. Learn how Moore Industries solved this problem for an alumina refinery in Australia.
Published: October 20, 2016

EHELP: STA Analog Output Protection

EHELP: STA Analog Output Protection
Q:  In specifying the Moore STA / HLPRG / 3PRG / U / -AO [DIN] our end user has a concern about electrical protection for the analog output. The desire is to use 4-20mA Output Loop Voltage sourced by DCS for the AO; however, this voltage may fault at up to 132 VAC. Should our design add fuse protection in the external voltage circuit upstream of the STA to protect it from these surges? Or does the STA include features that protect it from these faults?
Published: October 4, 2016

Burner Management System Signal Splitter Application for a Pulp and Paper Mill

Pulp and Paper Industry

Burner Management System Signal Splitter Application for a Pulp and Paper Mill

A pulp and paper mill had a black liquor BMS (Burner Management System) that per NFPA 85 requires that its safety logic system be totally independent from other logic systems.  The challenge was they required that key temperature and pressure signals also get monitored and recorded by their BPCS (Basic Process Control System). Learn how Moore Industries solved this problem.

Published: September 28, 2016

New and Improved: "Alarm Trips: The Ups and Downs" Technical Paper

New and Improved: "Alarm Trips: The Ups and Downs" Technical Paper

Nowadays just having an effective alarm trip solution may not be enough.  Pushing forward in ways to protect life, community, environment and facilities, the process industry is experiencing dramatic increases in the need for functionally safe solutions. Moore Industries’ technical paper Alarm Trips: The Ups and Downs has been expanded with added material on this topic and more.


Published: August 8, 2016

Moore Industries SIL 3 Capable STA Safety Trip Alarm Certified by exida®

Moore Industries SIL 3 Capable STA Safety Trip Alarm Certified by exida®

Part of the Moore Industries FS FUNCTIONAL SAFETY SERIES, the exida® certified SIL 2 and SIL 3 capable STA Safety Trip Alarm performs as a logic solver and acts on potentially hazardous process conditions; warns of unwanted process conditions; provides emergency shutdown; or provides on/off control in Safety Instrumented Systems (SIS) and traditional alarm trip applications. The STA has a systematic integrity up to SIL 3 and random integrity up to SIL 2 which allows the STA to be used in a redundant architecture (1oo2, 2oo3, etc.) up to SIL 3.

Published: June 8, 2016
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