GEA ONE 11TS, Инструкция по эксплуатации и техническому обслуживанию

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ONE 7TS – Installation
page
4.15
This manual is property of GEA Niro Soavi S.p.A. and no part of it may be reproduced.
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the pulsation dampener on the suction side must be installed as close as possible to machine infeed,
while on the delivery side on a horizontal pipe section at a minimum distance of approx. 1 meter from
each adjacent bend. For technical details about size and installation contact
GEA Niro Soavi S.p.A.
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the pulsation dampener must be installed in a vertical position; do not install the dampener with the
direction of flow directly entering the dampener, to avoid it filling up with liquid quickly and therefore
loosing its effectiveness because there is no air trapped in the top of it
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if the feed pump is connected to a tank, make sure that the suction inlet will not take in air through the
formation of vortex, using internal baffles; the suction inlet must always be under head
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it is always recommended to install downstream of the homogenizer a safety valve to protect the system
from any instances of overpressure caused by incorrect use of the system downstream of the machine;
the safety valve installed on the machine is designed to protect the machine and not the system to which
it is connected from dangerous overpressure
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the machine should never be used to empty out the feed tank completely, to avoid sudden lack of
product during operation under pressure, but include at least one level sensor to remove pressure (in the
case of the homogenizer) and stop the machine before product runs out at infeed
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the product treated must contain no air or gas, to prevent cavitation problems. If the product contains air
because it is very viscous or due to previous processing phases, the air must be removed by means of a
special equipment
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if the processing temperature is above 90 °C, it is absolutely necessary to increase feed pressure
because of the increase in steam tension which can generate cavitation effects.
Feed pressure should therefore be increased by 1 bar for every 5 °C of temperature increase over 90 °C
above the minimum feed pressure indicated in the - TECHNICAL SPECIFICATIONS enclosed in chapter 11
of this manual.
This value must be doubled for products with a viscosity exceeding 500 cP.
For special products and special processing temperatures contact
GEA Niro Soavi S.p.A.
The machine is equipped with automatic spring-operated pumping valves, whose load is based on the
characteristics of the product. This means that if the machine is stopped or is inactive, the feeding line is
open and under pressure, there can be a flow of product through the machine. To be sure that there is no
product flowing through the machine when the machine is inactive, the user should procide a valve for
closure for the feeding line upstream of the machine.