ELBI
DP PUMPS
NHT
SJE ELECTRO SYSTEMS
JS PUMPS
Hydro-Unit«
Variable speed controlled, central operation

•High quality product, of which (almost) all the wetted parts are made of stainless material.
•High effectivity, long lifespan and easy maintenance.
•Low noise level.
•Demands little space.
•The installation is completely adaptable to every situation as a result of the usage of the Megacontrol« and frequency converter.

Applications:
•Everywhere an extremely constant system pressure is required.
•In case of a strongly varying inlet pressure from the water works net.
•In case of savings on exploitation costs by deminished energy consumption.
Construction:
•The units are provided with CE marking, and comply with the latest guidelines.
•Components, headers and valves are suitable for drinking water.
•Suitable for working pressure of 1000 kPa (test pressure 1600 kPa).
•Epoxy coated steel control panel IP54 provided with all necessary components for:
1. Optimum motor protection;
2. Megacontrol« microprocessor control unit (for further information specific documentation is available).
•Frequency converter.
•Pumps with specially developped three stage engines, 2850 rotations-1 and 1425 rotations-1, 50 Hz, IP55, according to IEC standard, insulation class F.
Material specification:
Pumps : Vertical multistage centrifugal pump.
Non-return valves : Spring loaded non-return valve suitable for drinking water.
Shut-off valves : Ball tab (to 1") or membrane valve suitable for drinking water, from NW65 flanged sliding valve without approval.
Headers : Copper headers suitable for drinking water with capillair ends. From °67 equipped with 4 collar flanges and 2 blanking flanges PN10. From °133 equipped with RVS304.
Pressure
transmitter
: High quality analogue pressure transmitter with a controlling pressure of 4-20 mA.
Diaphragm tank : Provided with membrane suitable for drinking water
Foundation : Epoxy coated heavy steel baseplate.
Frequency converter : High quality frequency converter with RFI filter.