2 duty and 2 standby Filter bed concept in STP

abhPLC

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Join Date
Sep 2014
Location
mumbai
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can anyone help me understand the basic operation of 2 duty and 2 standby Filter bed operation in STP.

There will be 2 duty D1 & D2 and 2 Standby S1 & S2,

1. So if any of the Duty goes in backwash mode standby should come in it place and that duty will become standby so for this what theory should i use?
for eg. status of D1 interchanging with S1 and similarly D2 should interchange with D2

2. if any 1 of the Filter bed is kept in Bypass mode than what would be by filter bed status and how do i perform the rotation without considering the bypassed filter bed.

👨🏻‍🏫o_O:geek:
 

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