Special Versions; Prohibitions - FPZ K03-MS Manual De Uso

The maximum permissible pressure differentials given in the "SPECIFICATIONS" must never be exceeded. They are valid only under
the following conditions;

as a blower:
gas intake temperature 20°C (+68°F) and atmospheric pressure 1013 mbar (abs.) (29.92 In Hg ) measured at the inlet port

as an exhauster:
gas intake temperature 20°C (+68°F) measured at the inlet port and atmospheric backpressure 1013 mbar (abs.) (29.92 In
Hg).
The ambient temperature, and the conveyed gas intake temperature, is
permissible inside the range -15°C (+5°F) ÷ +40°C (+104°F) with the
following provisions;
•
for ambient temperature +30°C (+86°F) reduce the maximum
pressure differentials given in the "SPECIFICATIONS" by 5%;
•
for ambient temperature +40°C (+104°F) reduce the
maximum pressure
"SPECIFICATIONS" by 10%.
The graph to be used to reduce the maximum pressure differentials in
case of ambient temperature between +21°C and +40°C (+70°F and
+104°F) is given below
For installations above 1000m (3300ft) a.s.l.; contact the FPZ after-sales service.
ATTENTION!
If the flow rate has to be reduced, use a bypass valve instead of throttling the suction or delivery.
•
in case of suction in the place or on the system, protect the intake pipe using a suitable filter with maximum filtration of 25µm.
For the use of filters with filtration different from 25µm, ask FPZ. Check compliance with the maximum pressure / vacuum data
given in the SPECIFICATIONS (max ∆p).
•
for use as a blower deduct the pressure loss (P
P (for T =20°C and P
a ambient
•
for use as an exhauster make sure the maximum vacuum at the inlet port is not exceeded.
3.2

SPECIAL VERSIONS

FPZ side channel blowers/exhausters can be manufactured in special or custom versions; the instructions given in this manual still
apply to some of them.
The special versions manufactured, and for which that given above applies, are:
•
BPA version
Machines built to work in harsh environments and/or for conveying aggressive fluids, where aggressive means the presence
of elements that can affect standard machine operation, such as humidity; as specified in point 2, conveying flammable,
explosive or toxic gases, or installation in potentially explosive places, is not permitted.
•
TMS version
Machines that ensure mechanical seal between the parts that convey air or fluids, minimising leakage.
•
Special electric motors
On request, blowers/exhausters can be manufactured with motors having one or more of the following characteristics:
- Special voltages
- Higher levels of protection against solid bodies and/or liquids (standard IP55)
Higher insulation classes (standard Class F)
-
Protection devices such as thermal switches, heaters, PTC, PT100
-
•
Energy Efficient motors
The side channel blowers/exhausters can be manufactured using high efficiency, premium efficiency motor.
Further customisation must be requested and agreed when ordering, subject to a feasibility appraisal by the Technical Department.
ATTENTION!
For maintenance of special version machines, contact FPZ.
3.3

PROHIBITIONS

THE FOLLOWING IS STRICTLY PROHIBITED:
FPZ-MI-K-MS-MOR-USA-15-R03
differentials given in
) from the maximum compression indicated (max ∆P ), i.e. P
a
=1013 mbar)
ambient
17 / 84
13
12
11
10
9
8
7
6
5
4
the
3
2
1
0
65 70 75 80 85 90 95 100 105 110 115
ambient temperature °F
≈ max ∆p -
working