Potter's VSR-FEX Explosion Proof Vane Type Waterflow Switch

Potter's VSR-FEX Explosion Proof Vane Type Waterflow Switch

The Model VSR-FEX is a vane type waterflow switch for use on wet sprinkler systems located in hazardous locations as shown above. The unit may also be used as a sectional waterflow detector on large systems. The unit contains two single pole, double throw, snap action switches and an adjustable, instantly recycling pneumatic retard. The switches are actuated when a flow of 10 gallons per minute (38 Lpm) or more occurs downstream of the device. The flow condition must exist for a period of…

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Expanding Potter's European Team

Expanding Potter's European Team

Announcing an expansion of our sales team in order to better serve clients in the European market. Stephen Broadley has been hired as the new European Business Development Manager. Steve Broadley comes to Potter with forty years of sales and operating experience in Fire Protection. With the hiring of Steve, Potter will be able to better support our European business partners. Bruce LaRue, President of Potter’s Sprinkler Monitoring Division said, “We are thrilled to have…

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Potter's VSG Waterflow Alarm Switch for Low Flow

Potter's VSG Waterflow Alarm Switch for Low Flow

The Model VSG is a flexible vane type of waterflow switch for use in wet pipe water mist systems where a low flow for alarm is required. It is designed for installation in sections of 2 to 4 inch (50mm to 100mm) stainless steel or brass pipe with wall thickness indicated inthe product datasheet (see "Nominal OD and Wall Thickness"). The unit may also be used as a sectional waterflow detector on large systems. The unit contains an output relay and an adjustable electronic…

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Corrosion in Fire Sprinkler Systems: Increasing Your Liability, Increasing Your Costs, and Shortening System Life

Corrosion in Fire Sprinkler Systems: Increasing Your Liability, Increasing Your Costs, and Shortening System Life

A sprinkler system protects buildings, property and, most importantly, lives. But that same sprinkler system needs protection as well. Most sprinkler systems are made of steel piping, and when oxygen and water are trapped inside those pipes, corrosion will occur unless preventative measures are taken. Without corrosion protection, blockages and pinhole leaks start to happen, shortening the life of the sprinkler system and decreasing its effectiveness during a fire. Leaks and blockages…

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Potter's PS15 and PS25 Low/High Pressure Switches for Dry Valves

Potter's PS15 and PS25 Low/High Pressure Switches for Dry Valves

The Potter PS15 Series Supervisory Pressure Actuated Switches are designed primarily to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler systems. Typical applications are: air/nitrogen supervision in Dry pipe and pre-action systems, pressure tanks, air supplies, and water supplies. The PS15 has two switches. The Low switch is factory set to activate at approximately 10 psi (0,35 BAR) on a decrease in pressure. The High switch is factory set to…

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