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VA Flow Switches

Flow switch IIIa type

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Flow switch IIIa type

The Flow Switch is able to fit small flow and line sizes. These switches work on the principle of variable flow area where the alarm switch point is allowed to bet set at a very low flow and still the switch is capable of handling large flows without creating a large pressure drop

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Category： VA Flow Switches

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VA Flow Switches

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Product Introduction

Rugged and sturdy design

Insensitive to magnetic fields

Simple and economical installation

One adjustable SPDT micro switch for flow alarm

Can be mounted horizontally or vertically

Pressure up to 100 bar

Can be used in any liquid

Function based on flow and not affected by the static line pressure

Technical specifications

Flow range: 0 – 3,5 m/s. Max flow limited by pump capacity and acceptable pressure drop

Min switch point: 1,5 l/min

Max. switch point: 30 l/min

Wetted materials: De-zincificated copper alloy, stainless steel 316 and PTFE

Rubber parts: Nitrile (HNBR)

Max. pressure: 100 bar (1450 PSI)

Process connection: DN15 (BSP1 1/2”) female; DN20 (BSP 3/4” ) male

Alarm ：one (1) inductive sensor with 1,5 meter cable

Flow switch type III

Flow switch type IV

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As a kind of velocity flowmeter, vortex flowmeter is widely used in petroleum, chemical industry, electric power, light industry and power heating.

Mechanical Type I

The Eletta Flow Monitors function is based on the proven and dependable differential pressure principle. This is perhaps the oldest and most widely used principle for flow metering, mainly because of its simplicity and its relatively low cost.

Mechanical Type II

Electronic Type I

Electronic Type II

Electronic Type III

Electronic Type IV

Pipe Sections

The Instrument consists of two parts mainly, i.e. the Pipe Section and the Control Unit. The Pipe Section is the part that is to be mounted in the process pipe and the Control Unit is mounted directly (standard) or remote to the Pipe Section.

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