Dwyer Flotect V12 Series Flow Switch

Dwyer Flotect V12 Series is a low cost, versatile line of switches that can be used in a wide range of applications and configurations. Mountable in any orientation, the Series V12 Flow Switch utilizes a free moving shuttle that is displaced by the liquid flow, activating an isolated, sealed reed switch.

Dwyer Flotect V12 Series Flow Switch

Models can be used in media that is compatible with Noryl® GFN3, stainless steel and ceramic 1. FDA approved materials option has wetted materials of Noryl® GFN3, stainless steel and Teflon®.

Dwyer Flotect V12 Series Features

• Flow Rate Settings of 0.5 to 5.0 GPM
• Wide Range of Chemical Compatibility
• Mountable in Any Orientation
• Low Pressure Drop at Full Flow
• FDA Approved Wetted Materials Option
  
  

Applications

Monitoring water and other compatible media flow, especially for the pool and spa industry; protect equipment due to loss of coolant or lubricant flow; process system operation; monitoring of chlorinators, water filtration, reverse osmosis and evaporators.

Dwyer Flotect V12 Series Specifications

• Service: Compatible liquids.
• Housing and Shuttle: Noryl GFN3 (Polyphenylene Ether and Polystyrene).
• Spring: 316 SS.
• Retaining Clip: PH 15-7 MO stainless steel.
• Magnet: Ceramic 8. FDA option: Teflon®.
• Temperature Limits: 0 to 194°F (21 to 90°C).
• Pressure Limit: 100 psig (6.90 bar) @ 70°F (21°C), 50 psig (3.45 bar) @ 194°F (90°C).
• Switch Type: SPST normally open hermetically sealed reed switch.
• Electrical Rating: 1.5A @ 24 VDC resistive, 0.001A @ 200 VDC resistive, 0.5A @ 125 VAC.
• Accuracy: ±20%.
• Electrical Connection: 22 AWG, 18" (460 mm) long.
• Process Connection: 1" female NPT.
• Mounting Orientation: Switch can be installed in any position but the actuation flow rates are based on vertical up flow pipe runs and are nominal values.
• Set Point Adjustment: None.
• Weight: 4.2 oz (0.119 kg).
• Deadband: 20% maximum.
• Agency Approvals: UL.
• FDA approved materials option. For applications that require FDA approved materials, wetted materials are Noryl® GFN3, 316 stainless steel, PH 15-7 Mo stainless steel and Teflon®. To order, add suffix “-FDA”.
• Example: V12-4-FDA.
  
  

Popular Models

Model Number	Switch Activation Set Point on Increasing Flow (Water), Vertical Up Direction - Gallons Per Minute	Switch Activation Set Point on Increasing Flow (Water), Vertical Up Direction - Liters per Minute
V12-2	0.5 GPM	1.892
V12-3	1.0 GPM	3.785
V12-4	2.5 GPM	9.462
V12-5	5.0 GPM	18.924

Reference : nciweb.net