Potter Electric Signal Company has been operating in St. Louis, Missouri for over 120 years. In that time, we’ve gone through many changes and grown as a company by developing high-quality products with a global reach. However, one thing that hasn’t changed is our commitment to American manufacturing. Our headquarters and manufacturing facility has remained in St. Louis since 1898, and we are proud to have become a leader in the fire and life safety products industry. We have a vested interest in providing Americans with quality jobs so that they may support their families. At Potter, we understand the importance of family because we are a family.
We take pride in providing quality products that save lives every day. Nothing leaves our facility without going through rigorous testing and quality checks. Assembling and shipping from the same location in St. Louis makes our quality assurance very reliable. Every flow switch, fire panel, and nitrogen generator that you purchase is not only manufactured to the highest possible standard, but it puts money in the pockets of American employees. Americans who buy local food, support local businesses, and contribute to the U.S. economy in countless ways.
Our desire to stay in the United States has set us apart from our competition. Assembling in the USA provides several distinct advantages to not only us, but you as well. High safety standards for our workers mean that we have a happy and healthy staff eager to create high-quality products for you. Quick shipping turnaround allows us to get products to you promptly. Direct oversight of quality control allows us to make sure that you are getting the best product available every single time you place an order. For all of these reasons, we at Potter couldn’t be more proud of the fact that we are an American manufacturer you can count on!
About Potter Electric
In 1898 Charles E. Potter began developing products that sent electronically coded signals to a central monitoring station. This allowed fire and police officials to be instantly dispatched to any fire or security emergency.
By 1920, Potter Electric Signal Company was utilizing customized products and monitoring them with the latest telecommunications equipment. In a time when the human initiative was the most valuable industrial commodity, Charles Potter was able to combine state-of-the-art equipment with dedicated men to provide St. Louis with the best night watchmen service in the metropolitan area. As the century continued, Potter’s central station business became the basis for the development of sprinkler supervisory devices, switches for intrusion protection, vault and safe protection systems, and fire control panels.
Today, Potter is carrying on the legacy of Charles E. Potter by combining the latest technology in fire protection with the dedicated manpower for which they have been known for over one hundred years. With an unwavering dedication to its customers, Potter looks to continue as the industry standard in both product and service.
The Products of Potter Electric
Portable Nitrogen Analyzer
The Portable Nitrogen Analyzer is an easy way to determine the exact purity of nitrogen that the Potter Nitrogen Generator is producing. Since the analyzer is portable, it gives you the ability to check the end-of-the-line purity of the fire sprinkler system, ensuring the system is protected. Each Potter Nitrogen Generator comes with one portable nitrogen analyzer.
Nitrogen Air Maintenance Device
The Nitrogen Air Maintenance Device (NAMD) is a field adjustable pressure regulating device used to keep nitrogen or air pressure at the correct level in the dry pipe and preaction fire sprinkler systems. It can also be used to control pressure in dry pilot line systems of dry pilot actuated deluge or preaction valves.
The NAMD is used in sprinkler systems with an automatically controlled compressed nitrogen or air source that is at a pressure higher than required for proper system operation. These sources can include nitrogen generators and air compressors dedicated to the fire sprinkler system and “plant” air or nitrogen systems. The NAMD includes a manual bypass that, after sprinkler system maintenance or operation, allows quick filling of the sprinkler system.
Quick Fill Compressor
The INS-QFC is an air compressor designed for quick-filling a sprinkler system to the desired sprinkler system supervisory pressure. The INS-QFC adds up to 500 gallons of bypass fill capacity at 40 PSI to any Potter IntelliGen™ Nitrogen Generator.
The INS-QFC is designed to be used in addition to a Potter IntelliGen™ Nitrogen Generator only on the initial fill. Once the system reaches the supervisory pressure, the nitrogen generator will provide 98% or greater nitrogen for the maintenance make-up gas.
Automatic Air Release with Drip Pan
The PAAR-B is an automatic float-type air vent used to reduce the amount of air trapped in a pressurized fire sprinkler system. Reducing the amount of air in a fire sprinkler system is essential to help protect the system piping from the effects of corrosion that are often found at the air/water interface in the fire sprinkler system piping.
Removing as much air as possible will also have a positive effect on the performance of vane-type waterflow detectors. The operation of vane-type waterflow detectors can be delayed or prevented if too much air is trapped in the system piping. The intent of the product is to vent as much air from the fire sprinkler system as possible. The PAAR-B provides automatic venting of air as the system is being filled. Furthermore, trapped air can also be vented as the air in the system migrates to the vent location over time. The air vent will automatically close when water reaches the vent.
Discharge piping from the air vent valve is piped to a shutoff valve mounted in a water retention pan. The pan retains small amounts of water discharged from the air vent valve during normal operation. If failure of the air vent occurs, discharged water will reach a specified depth in the pan (approximately 1″) and a water-soluble fiber element in the shutoff valve dissolves and closes the valve preventing further water discharge. The shutoff valve has a visual indication of operation and a single set of NC contacts rated 24V AC/DC@2A for electronic supervision (Recommended). The shutoff valve is a single-use device and contains no user-serviceable parts.
IntelliPurge Nitrogen Purge Valve
The INS-PV Potter IntelliPurge® Nitrogen Purge Valve is designed to work with Potter Nitrogen Generators to effectively purge corrosive oxygen from a fire sprinkler system. Potter’s INS-PV is the easiest and most effective way to ensure that high-purity nitrogen is equally distributed throughout the fire sprinkler system. Simply install the INSPV at a remote point in the fire sprinkler system and start the purge cycle.
The built-in nitrogen analyzer samples the exiting gas, providing up-to-date information on the nitrogen levels in the fire sprinkler system. Once the INS-PV has measured that the fire sprinkler system has reached 98% N2, the unit automatically stops purging and signals a successful purge. Even after the system has stopped purging, the INSPV periodically samples the gas within the sprinkler system, ensuring that the fire sprinkler system is at 98% N2 and the fire sprinkler system is protected. Dry contacts are provided for BMS notification. Using the optional INS-RA Remote Annunciator up to 27 INS-PV units can be networked together, allowing for large nitrogen applications to be easily controlled and monitored from one convenient location.
Reference: www.pottersignal.com
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