1. INTSTALLATION
Tapflo sanitary pump series
11
1.7.2.
Explosion hazardous environments – ATEX
The standard Sanitary series pumps are not allowed to operate in environments where there
is danger of explosion. Static electricity may occur in the pump under operation, which may
cause explosion and injury. Special conductive TX pumps are available for such applications.
Follow below instructions and local/national rules for safe use.
ATEX (directive 2014/34/EU) classification of Tapflo TX pumps:
ATEX
II 2 GD
IIB
c
T4
Equipment group:
II
– all other explosive areas than mines;
Category group:
2
– high level of protection (can be used in zone 1);
Atmosphere:
G
– gas;
D
– dust;
Explosion group:
IIB
– such as ethylene;
Type of protection:
c
– constructional safety;
Temperature class:
T4
– in the event of a malfunction, the maximum temperature of a
surface that may be exposed to gas
T4
= 135 °C.
Earth connection of the pump and other equipment
Connect a suitable earth wire to the stainless steel earth connection that is placed on the inside
of one of the pump housings. Connect the other end of the earth wire to earth and also make
sure that other equipment like hoses/pipes/containers etc. are properly earthed/connected.
Dry run in ATEX pump
ATEX approved pumps can run dry without increasing the risk of creating potential ignition
sources. Nevertheless, dry run periods should be decreased to minimum as they increase the
wear of parts inside of the pump. What is more, when running dry (e.g. during self-priming)
the pump should run at a low speed controlled via a needle valve
.
1.7.3.
Air pressure
The maximum air pressure for Tapflo pumps is 8 bar. Higher air pressure than 8 bar can
damage the pump and may cause injury to personnel in vicinity of the pump. If you intend to
apply a higher air pressure than 8 bar, please consult us.
1.7.4.
Noise level
At tests, the noise level from a Tapflo pump has not exceeded 80 dB(A). Under some
circumstances, for example if the pump is operating under high air pressure at low discharge
head, the noise can be inconvenient or hazardous for personnel staying for long periods in
the vicinity of the pump. This hazard can be prevented by:
using suitable ear protection;
lowering the air pressure and/or raising the discharge head;
leading out the outgoing air from the room by connecting a hose to the muffler
connection of the pump;
Содержание Sanitary Series
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