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1. INTRODUCTION
This user and maintenance manual relates to the
Mini-SUMO Atex Pump,
version in compliance with ATEX standards, for
potentially hazardous areas, classified zones 1 and 21 with presence of IIC+H2 group inflammable gas and combustible dusts.
The maximum surface temperature developed by Mini-SUMO Atex pump in the most extreme conditions is 100°C.
The Mini-SUMO Atex Pump allows grease to be distributed within lubrication systems at high pressures of up to 400 bar (5880
psi).
The latest version may be obtained from Dropsa Sales Office, or by consulting our web site http://www.dropsa.com
This user and maintenance manual contains important information about protecting the health and safety. You must read and
look after it carefully, making sure that it is available at all times for any operators that may need to consult it.
2. GENERAL DESCRIPTION
The Mini-SUMO Atex lubrication pump series is particularly suited for dual line systems and progressive systems and can be
adapted to many needs without making mechanical changes, even after installation is complete. In fact, by selecting from a set
of components that are perfectly compatible with each other and easily assembled, it is possible to vary the pressure, the
quantity of the delivered lubricant, the type of lubricant and the type of distribution. This Pump consists of the following:
Electric motor;
Pump body manifold with integrated pressure adjustment (bypass) and instrumentation;
Two pumping elements;
Reservoir;
Dual Line Pressure change-over valve.
There is one load bearing structure for all versions, the dual pumping element constitutes the essential module.
The pump unit has only one outlet.
Two types of grease tanks and two for oil, with different volumes (10 or 30 kg) can be positioned on the pump casing, with
spatula and level indicators.
The electric Mini-SUMO Atex pump is fully protected against the external environment and can run without problems in the
most severe ambient conditions.
