Answer / mahesh

XV are On off valve with out emergency functions

KV are also On off valve with out emergency functions but related to Vendor packages

Answer / ah_gamal

"XV" is an ON/OFF valve which can be open or close during normal operation .

"KV" is also ON/OFF valve which usually used in sequence service like dehydration beds.

Answer / ashok

Kv value is the metric measure for the flow of a valve. It
is defined as:

The volume flow in cubic metres per hour of water at a
temperature of between 5° and 40° celcius with a pressure
drop across the valve of 1 bar.

And XV is the knife gate valve

Answer / vikas

KV is control valve coefficient when flow rate q in cubic
meter per hr and diffrential pressure across valve is in
bar.

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