Deltadyne® Differential Pressure Switches/Indicators0 pages

Pall Corporation

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Deltadyne® Differential Pressure Switches/Indicators

Description

Deltadyne Differential pressure switches are used to indicate when the

filter element is becoming blocked and needs to be changed.

Pall manufactures a series of mechanical and electrical indicators, with a

range of connectors, qualified for aerospace use.

► Features

► Benefits

► How Does it Work

Features

► Visual 'Pop' Up button or Electrical Indication or both

► Range of pressure settings

► Thermal lock out device (optional)

Benefits

► Advance warning of filter element blockage

► Thermal lock out device prevents false indication at cold start

conditions

► Aerospace OEM approved

How Does it Work?

Filter - Clear

Filter - Blocked

Label /

Cover

Q-ring

Upstream

Port

Indicator

Button

Range

Spring

Dawn Stream Port

P. s ton

Pressure Side

Deltadyne® differential pressure devices operate by sensing the differential pressure between ports

upstream and downstream of the filter element. The differential pressure acts on a piston/magnet assembly

that is contained in the indicator device.