POTTER VSG-2

Product Overview

The VSG-2 is a flexible vane-type waterflow switch engineered for wet pipe water mist systems where very low flow activation is required. Designed for installation on 2" to 4" stainless steel or brass piping, it operates effectively within the specified wall thickness standards and can also function as a sectional waterflow detector on larger system layouts. The unit is UL, ULC, and CSFM Listed, supporting high-performance applications with pressures up to 450 PSI (31 BAR). Its construction includes a durable, gasketed, die-cast enclosure rated NEMA 4 for indoor or outdoor environments.

Key Features

• Model Details
   Model Number: VSG-2
   Item Number: 1116050
   UL, ULC, CSFM Listed
   
• Performance & Application
   • Designed for wet pipe water mist systems requiring low-flow alarm initiation
   • Nominal pipe OD: 2" (60.3 mm) with 3.9–4.5 mm wall thickness
   • Alarm activation flow: 3.0 GPM (11.4 LPM)
   • Maximum surge: 18 FPS (5.5 m/s)
   • Service pressure up to 450 PSI (31 BAR)
   • Not intended for use in explosive environments
   
• Electrical Specifications
   • Standby: 10 mA @ 120 VAC or 1.5 mA @ 24 VAC/DC
   • Alarm: 40 mA @ 120 VAC or 35 mA @ 24 VAC/DC
   • Contact configuration: DPDT (Form C)
   • Contact ratings: 2 A @ 0–30 VDC or 0–125 VAC (resistive)
   
• Construction & Installation
   • Two 1/2" conduit knockouts
   • NEMA 4 enclosure with factory-installed gasket and die-cast housing
   • Suitable for indoor or outdoor use
   • Factory-installed non-corrosive sleeve in saddle
   • Temperature range: 40°F to 120°F (4.5°C to 49°C)