DGFLOW srl www.dgflow.it Italy Via Emilia, 5 - Loc. Stradella 46030 Bigarello - Mantova - Italy www.dgflow.it

Products: 1. ON-OFF systems a. PRESFLO b. PRESFLO multi basic c. PRESFLO multi d. PRESET e. PRESFLO multi cos phi 2. Variable speed drive a. STEADYPRESS All electronic boards have been immerged in a resin to prevent condensation

PRESFLO Advantages : Start/stop buttom on the cover With or without pressure gauge Different types in function of pump power Start up pressure : 0,8 – 1,5 – 2,2 bar Dry running protection protection against excessive frequent starting Max power : up to 2 Hp (1,5kW) 16 Amp. IP 65 Max operating pressure : 10 bar NO need to use an additional expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

PRESFLO multi basic Advantages : Start /stop buttom on the cover Without pressure gauge With expansion vessel 3 liter With digital pressure sensor Selectable start up pressure with jumper from : 1 - 2 - 3 - 4 bar Dry running protection protection against excessive frequent starting Max power : up to 1 Hp (0,75kW) 8 Amp. IP 65 Max operating pressure : 10 bar NO need to use an additional expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

PRESFLO multi Advantages : Start/stop buttom on the cover Digital display With expansion vessel 3 liter With digital pressure sensor Protection against over current (settable) Selectable start up pressure with push bottom in steps of 0,5 bar from : 1 till 5 bar Dry running protection Protection against excessive frequent starting Max power : up to 1,5 Hp (1kW) 16 Amp. IP 65 Max operating pressure : 10 bar NO need to use an additional expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

PRESET Advantages : Start/stop buttom on the cover Digital display Electronic pressure sensor Dry running protection Protection against over current (settable) Starting pressure adjustable from 1 till 9 bar Cut out pressure adjustable from 1 till 9 bar Max power : 2 Hp (1,5kW) 16 Amp. IP 65 Max operating pressure : 10 bar Need to use an additional expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

PRESFLO multi cosfi Advantages : Start/stop buttom on the cover Digital display With expansion vessel 3 liter With digital pressure sensor Protection against over current (settable) Selectable start up pressure with push bottom in steps of 0,5 bar from : 1 till 5 bar Double Dry running protection Protection against excessive frequent starting Max power : up to 1,5 Hp (1kW) 16 Amp. IP 65 Max operating pressure : 10 bar NO need to use an additional expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

1. Pressure(p)= CONSTANT STEADYPRESS WHY ? 1. Pressure(p)= CONSTANT 2. Flow (Q) = VARIABLE 3. Speed (Rpm) = VARIABLE

STEADYPRESS Advantages : Start/stop buttom on the bottom Digital display With digital pressure sensor Protection against over current (settable) Selectable start up pressure with push bottom in steps of 0,5 bar from : 1 till 9 bar Dry running protection Protection against excessive frequent starting Max power : up to 3 Hp (2,2kW) IP 65 Max operating pressure : 10 bar Need to use an expansion vessel Installation : any kind Real non return valve incorporated Continous duty with flow higher than 2l/min

STEADYPRESS PRESSURE LOSSES :

STEADYPRESS TYPES :

STEADYPRESS COOLING PLATE Real NON-RETURN VALVE & FLOW SENSOR

STEADYPRESS Hydraulic caracteristics : Maximum working pressure : 10 Bar Maximum testing pressure: 40 bar Digital pressure sensor : 0 - 9 Bar Flow sensor Flow : up to 200 l/min Water temperature : up to 50 °C

Power supply variations : +10% STEADYPRESS PROTECTIONS : Power supply variations : +10% Dry running Fase dectection Overcurrent Lighting Anti Frost Unlock

STEADYPRESS Extra electronic board for connecting more inverters: especially for boostersets Connection for : Boosterset up to 3 pumps Float switch or minimum pressure switch or 2de setpoint Alarm

STEADYPRESS

STEADYPRESS View from the side View from the top

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