Grundfos MTR 1, Инструкция по эксплуатации

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11.3 MTRE 1s/1/3 HS high-speed operation
11.3.1 Shaft seals for MTRE HS
Special operating ranges apply to these pump types
at high-speed operation:
•
MTRE 1s-XX/19 HS
• MTRE 1-XX/19 HS
• MTRE 3-XX/19 HS
At high-speed operation, 5400 rpm, MTRE 1s/1/3 HS
pumps can operate in range 3.
20
50 100 150 200 250 300 0
40 60 80 100 120 140
[°C]
[°F]
30
25
20
15
100
200
300
400
500
600
10
5
0
0
[bar] [psi]
-40
-40 -20
1
2 3
40
35
3
0
TM036122
Three different operating ranges for the HUUE/
HUUV cartridge shaft seals fitted to MTRE HS
pumps.
Pos. Description
1
Optimum operating range with the longest life
of the shaft seal.
2
Risk of periodic noise in connection with start-
up and variation in pressure and temperature.
3
Outer operating range where the life of the
shaft seal may be reduced. Grundfos recom-
mends a service check every 8000-12,000
hours for operating range 3.
The standard seal in MTR, MTRE pumps is an HUUV
seal, which is applicable in oil-containing liquids
within the whole operating range. However, the
maximum temperature for the pump is 90 °C.
Pump type
MTRE 1s/1/3
HS
Minimum liquid temperature [°C] -10
Maximum liquid temperature [°C] +90
Maximum operating pressure [bar] 38
11.3.2 Sound pressure levels for MTRE 1s/1/3 HS
The table below shows airborne noise emitted by
MTRE 1s/1/3 HS pumps at high-speed operation.
100 Hz
Motor power
[kW]
Maximum motor speed
[rpm]
L
pA
[dB(A)]
4 5400 74
5.5 5300 74
7.5 5100 79
12. Disposing of the product
This product or parts of it must be disposed of in an
environmentally sound way.
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
The crossed-out wheelie bin
symbol on a product means
that it must be disposed of
separately from household
waste. When a product
marked with this symbol rea-
ches its end of life, take it to a
collection point designated by
the local waste disposal au-
thorities. The separate collec-
tion and recycling of such
products will help protect the
environment and human
health.
See also end-of-life information at
www.grundfos.com/product-recycling .
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English (GB)