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V4-Series

V42DU FLOTECT FLOW SWITCH BRASS, DPDT, UNIVERSAL STOCK VANE

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Data Sheet (PDF)

Item# V4-2-D-U

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Lead Time (If not in stock): 9 Days

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Dwyer Instruments is now a DwyerOmega brand. We're working together to bring you the best products in a single shopping experience.

Superior performance with unique magnetically-actuated switching design
Increased product life due to free-swinging vane, which attracts a magnet within the solid metal switch body and actuates a snap switch by means of a simple lever arm with no bellows, springs, or seals to fail
Meets application requirements with durable leak-proof body machined from bar stock
Save time and money on maintenance with electrical assembly that can be easily replaced without removing the unit from installation so that the process does not have to be shut down
Quick installation with fitting that installs directly and easily into pipeline with a threadolet, tee, or flange (see application drawings)
Meets the most demanding applications with high pressure rating of 1000 psig (69 bar) for the brass body and 2000 psig (138 bar) for the SS body
Solves customer flow application needs with choice of custom vane calibrated specifically for your application, Model V4, or field adjustable multilayer vane, Model V4-2-U (see set point chart)

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V4-2-D-U Model Options

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Max Operating Pressure

Process Connection Type

Wetted Materials

Switch Rating and Type

Compliance

Switch Type

Body Material

Media Type

Flow Range

Process Connection Size

Features

Compatible Media

Connection Size

Specs

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Dwyer Instruments is now a DwyerOmega product brand

Overview

The Series V4 Flotect Flow Switches are rugged and reliable, ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow. Time tested in thousands of pipeline installations and processing plants around the world this Series is weatherproof, designed to meet NEMA 4 and Explosion-proof (listing included in specifications). This series can be used in pipes 1-1/2" (38.10 mm) and up.

Product Applications

Protects pumps, motors and other equipment against low or no flow
Controls sequential operation of pumps
Automatically starts auxiliary pumps and engines
Stops liquid cooled engines, machines and processing when coolant flow is interrupted Shuts down burner when air flow through heating coil fails
Controls dampers according to flow.

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