Dwyer Flotect Vane Operated Flow Switch, Series V4

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Series V4 Flotect Vane-Operated Flow Switch

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.

Features

Unique magnetically actuated switching design gives superior performance
A free-swinging vane which attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm with no bellows, springs, or seals to fail
Leak proof body machined from bar stock
Electrical assembly can be easily replaced without removing the unit from installation so that the process does not have to be shut down
Installs directly and easily into pipeline with a thredolet, tee, or flange (see application drawings)
High pressure rating of 1,000 psig (69 bar) with the brass body and 2,000 psig (138 bar) with the 316 SS body
Choice of custom vane calibrated for your application, Model V4, or field adjustable multilayer vane, Model V4-2-U

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Models matching criteria: 640

V4-2-U-D-TRI

Body Material - Brass Body, Universal Vane
Switch Type - DPDT Contacts
Switching Element - Standard
Temperature - -20° to 135° C (-4° to 275° F)
Relay - Increasing Flow Time Delay Relay Option with 2 SPDT Contacts
Material - 430 Stainless Steel Keeper
Flow Path - Upward Flow in Vertical Pipe
Agency Approvals - Weatherproof & Explosion-Proof

100+ In Stock

$114.00 CAD