Operating and Maintenance Instructions
EN
DC.16DEX
6
www.dvp.it
8702042 – 01/10/2014 – R.4
3
PUMP DESCRIPTION
3.1
INTENTED USE AND CONTRAINDICATIONS
3.1.1
INTENTED USE
The pumps described in this manual are of the rotary vane oil bath type. These pumps are specifically
designed for ATEX Zone 2 suction from clean air, flammable gas from
IIA
,
IIB
and
IIC
units or small
amounts of water vapours and must be installed in NON ATEX classified environments; their marking and
certification and for internal ATEX (see 1.7 "Marking" of this manual).
The temperature of the fluid, gas or vapour produced by the pump and that from the environment in which
it is installed must be b12°C and +40°C.
HAZARD
The user must pay particular attention to the Marking of the pump.
Any other use is prohibited. The Manufacturer is not liable for any damage to persons and/or property caused by
improper use or not allowed use of the pump.
This pump is suitable for emptying closed containers with a capacity that the pump can reach the final pressure in
less than 20 minutes.
3.1.2
CONTRAINDICATIONS
The pump cannot work with the intake completely open for more than 10 minutes.
Any use other than that for which the pump was constructed is to be considered an
abnormal condition and therefore can cause damage to the pump and pose a serious
danger to the operator.
Below is a series of operations involving improper use of the pump, which are not permitted under any
circumstances.
•
Do not install and/or use the pump in an ATEX classified environment; The pump is certified and marked for
internal ATEX
(see 1.7 "Marking" of this manual). The use of the pump in an environment where the presence
of ATEX atmospheres has been detected can cause explosions or fires;
•
Do not use non-original spare parts or parts not provided by the manufacturer.
•
Do not use the unit to pump solid materials, chemicals, powders, solvents or other substances differing from
those permitted These types of materials may damage the unit, degrade its performance or reduce its life.
•
do not expose the pump to rain, steam or excessive humidity.
•
Do not place or store near in the proximity of flammable or combustible materials or substances.
•
Do not use the pump as a compressor.
3.2
NOISE EMISSION
This pump has been designed and constructed to reduce noise at its source.
The sound pressure levels contained in the table of technical specifications were measured at maximum vacuum
and outlet conveyed according to UNI EN 2151.