An alarm check valve is a divided seat ring, rubber faced clapper, waterflow alarm check valve that intended for use in wet pipe sprinkler systems. Located in the sprinkler system riser, it is arranged to activate the necessary attachments required to give an alarm by opening upon flow of water. It is designed to automatically actuate electric and/or hydraulic alarms when there is a steady flow of water into the system. It can be installed vertically or horizontally.

Alarm Management Software has been designed as a ready to use standard package to provide alarm display information in conjunction. It is a mechanism for recapturing lost production and increasing capacity. Its core tenet is improving plant condition information and resources available to operations to better empower them to maintain normal state.

Alarm management system employs a series of trap and alarm handlers to manage and store information about important events that are occurring on network. Alarm Management System suppresses nuisance alarms and provides valuable advisory information to help operators quickly focus on important alarm information and take correct actions. This system has been implemented on distributed control systems, validated in real online tests, and accepted by plant operators. The results nuisance alarms are effectively suppressed and alarm systems become more helpful. This system comprises several components, each of which has a specific responsibility to send, receive, transfer, handle, store, or view network alarms.

Alarm speaker unit is configurable for supervised alarm audio outputs and various control functions. It can provide up to 400 watts of continuous audio output power for indoor and outdoor alarm tone notification and emergency voice instructions. It is also configurable for many standard interfacing and control applications. It consists of controller board, on/off circuit breaker, intrusion switch, and a temperature compensated battery charger.

Liquid Level Alarm System activates an alarm when liquid in a container falls below a predetermined level. The system contains an alarm, which is located outside of the container.