page 17 of 92
pumps in potentially explosive atmospheres.
➨
Pumps
without the
”
`
”
mark on the rating plate
are
not approved
for the
pumping of potentially explo-
sive atmospheres
.
Do not pump potentially explo-
sive atmospheres
with those pumps.
➨
Pumps
bearing the
”
`
”
mark on their rating plates
are
approved for the pumping of potentially explo-
sive atmospheres
according to their ATEX classifica
-
tion imprinted on their rating plate, but they are
not
approved for operation in potentially explosive at-
mospheres
Equipment marking (ATEX)“, pg. 23)
.
➨
The pumps are
not suitable
to pump any of the sub-
stances listed below.
Do not pump:
-
unstable substances
- substances which react explosively under
impact
(mechanical stress) without air
- substances which react explosively when being ex-
posed to
elevated temperatures
without air,
- substances subject to
auto-ignition
,
- substances which are
inflammable without air
-
explosive substances
.
➨
The pumps are
not approved
for operation below
ground.
Do not operate
the pump
below ground
.
•
Do not pump
substances which may form
depos-
its
inside the pump. The pumps are not suitable for
pumping substances which may form deposits inside
the pump. Deposits and condensate in the pump may
lead to increased temperatures even to the point of
exceeding the maximum permitted temperatures.
• Check the inlet and outlet of the pump, if there is a
danger of forming
deposits
inside the pump, e.g., in
the pump chambers (the pump chamber is the part
Summary of Contents for MZ 1C
Page 31: ...page 31 of 92 MZ 1C 3 2 7 10 11 6 9 8 ...
Page 32: ...page 32 of 92 MD 1C AK EK 10 3 6 1 8 2 9 7 15 16 17 13 11 8 14 19 18 ...
Page 33: ...page 33 of 92 MD 1C VARIO SP 7 10 6 12 11 8 Ensure sufficient venting of the pump ...
Page 64: ...page 64 of 92 4 3A 5 MD 1C size 2 2x 1 17 mm 14 mm max 1 4 ...
Page 66: ...page 66 of 92 6 7 8 4 6x Clean ...
Page 67: ...page 67 of 92 9 Replacing the diaphragm 10 11 20696828 20696838 ...
Page 68: ...page 68 of 92 12 1 2 3 13 14 Pay attention to number of washers ...
Page 69: ...page 69 of 92 15 16 17 Pay attention to number of washers ...
Page 70: ...page 70 of 92 18 1 2 19 20 4x Replacing the valves and assembling the pump heads ...
Page 71: ...page 71 of 92 21 22 23 ...
Page 73: ...page 73 of 92 27 28 1 2 28A size 2 2x 17 mm 10 mm MD 1C AK EK 5 1x MD 1C ...
Page 74: ...page 74 of 92 29 30 31 Assembling the connecting hose MD 1C AK EK 2x ...
Page 77: ...page 77 of 92 5 6 4 20638821 20638821 ...
Page 89: ...page 89 of 92 ...
Page 90: ...page 90 of 92 ...
Page 91: ...page 91 of 92 ...