Bye Pass Rotameter

Category: Flow

Product: Rotameters

Sub Product: Bye Pass Rotameter

Eureka make Byepass Rotameters are being used for variety of applications in the industry for several years. These are available for flow measurement in pipe size 1” & above. These can be used for clean non viscous liquids & variety of gases. Special models for corrosive fluids are also available. These flowmeters can be installed in horizontal as well as vertical piping systems. Three different designs are available based on the type of pressure tapping used.

Working Principle

A Byepass Rotameter is a differential pressure measurement type flowmeter. It consists of three components.

1. Main line Orifice Plate:An Orifice plate is installed in the main pipe line whose flow rate is to be measured. The plate can either be installed in between the flanges or a carrier ring assembly. This orifice plate creates a differential pressure due the restriction created to the main line flow. The differential pressure varies with the fluid flow in the main line. Based on the differential pressure, the flow through a pipe can be established using a mathematical equation.
   2. Indicating Rotameter:This is a Glass/Metal tube inline rotameter which is installed in a byepass arrangement. A small range orifice is fixed at the inlet of this rotameter .The range orifice is designed to create the same differential pressure which is created by a main line orifice plate. With this arrangement the rotameter works as a manometer or a differential measuring device.
   3. Byepass Piping: Byepass arrangement is used to divert a small portion of flow from the main line through an indicating rotameter. The flow at the upstream side of a main line orifice plate is connected at the inlet of the rotameter & outlet of the rotameter is connected to a downstream side of an orifice plate. The isolation valves are also provided in the byepass piping system for easy maintenance.
   Eureka make Byepass Rotameters are offered by using three types of pressure tappings.

Material of Construction

Performance