Series V4 Vane Operated Flow Switch

PublishTime：2021-12-17

●Rugged and reliable the Series V4 Flotect ® flow switch operates automatically to protect equipment and pipeline systems against damage from reduction or loss of flow. The V4 is time tested being installed in thousands of pipelines and processing plants around FLOW the world. A unique magnetically actuated switching design gives superior performance. There are no bellows, springs, or seals to fail. Instead, a free-swinging vane attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm.
FEATURES
■ Leak proof body machined from bar stock
■ Choice of custom vane calibrated for your application, Model V4, or field adjustable multilayer vane, Model V4-2-U (see set point chart)
■ Weatherproof, designed to meet NEMA 4
■ Explosion-proof (listing included in specifications)
■ Installs directly and easily into pipeline with a thredolet, tee, or flange (see application drawings)
■ Can be used in pipes 1-1/2 ̋ and up
■ Electrical assembly can be easily replaced without removing the unit from installation so that the process does not have to be shut down
■ High pressure rating of 1000 psig (69 bar) with the brass body and 2000 psig Flow Switches, Paddle(138 bar) with the 316 SS body

Brand of Product：	DWYER INSTRUMENTS
Part#：	Series V4 、 V4 、 V4-2-U 、 V4-SS-2-U 、 V4-2-U-NH 、 V4-SS 、 V4-NH More Part#
Product Category：	Vane Operated Flow Switch More
Application：	[ Protects pumps, motors and other equipment ][ 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 ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2014/8/15
Version Number：
Data Encoding：
Data Size：	466 KB

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