
The universal back pressure valve DHV-U can be used as a matter of principle with metering pumps
in the low pressure range taking into consideration pressure, feed chemical, flow ... .
Tab. 2: Broad allocation of the back pressure valves to the corresponding ProMinent pump types
DHV-U
Pump type
DN 10
alpha, Beta, DLTa, GMX_, Pneumados, Vario DN 10, Hydro DN 10,
EXtronic DN10
DN 15
Vario DN15, Sigma DN15, Hydro DN15
DN 20
Sigma DN20, Meta DN20, Makro TZ DN20
DN 25
Sigma DN25/DN32, Hydro DN25/DN32, Meta DN25, Makro TZ DN 25/
DN32
DN 32
Hydro 4 DN32, MakroTZ DN32
DN 40
Hydro 4 DN40, MakroTZ DN40, Makro 5 DN50
Permissible media
Technically pure, neutral and aggressive liq‐
uids, provided the selected valve materials are
resistant at the operating temperature
according to the ProMinent
®
resistance list.
Technical data
63