Type BR Hydraulic Diaphragm

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Hydraulic diaphragm dosing pump with internal safety valve

“BR” type hydraulic diaphragm metering pumps are suitable for use when the liquid to dose contains small suspended solids and when piston lackage are not accepted. Is included on the pump a safety valve for guarantee the diaphragm security against over pressure .The gearbox is a standard wormwheel reduction system coupled with a vertical mounted B14 shaped electric motor in accordance with UNEL-MEC specification. The mechanism for variation of the stroke length is a positive stroke spring return operated by an eccentric. Stroke adjustment can be done manually, electrically (4-20mA; Profibus) and pneumatically. Different multiple head units are available on request. All the series can be ATEX certified.

Type Max. Capacity Max. Pressure
BR125N 108 Lt/h 10 Bar
BR175N 418 Lt/h 14 Bar
BR250N 1068 Lt/h 11 Bar
Some standard execution 41 43 29
Pump head S.S.316 PVC PP
Diaphragm PTFE PTFE PTFE
Piston S.S.420 S.S.420 S.S.420
Piston gasket AU/NBR AU/NBR AU/NBR
Oil chamber All. All. All.
Valve seat S.S.316 PVC PP
Valve ball S.S.316 PYREX PYREX