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Your VACUUBRAND diaphragm pumps are designed to provide you with
VACUUBRAND diaphragm pumps combine our many years of experi
velopments in material and manufacturing technology.
After completion of the endurance run, every pump is tested, and must
We are committed to providing our customers only pumps that meet this
While our pumps cannot eliminate all of your work, we design, manufac
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Cleaning and inspecting the pump heads
Replacing the overpressure safety relief device
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Safety information!
from the pump and the pumped substances.
VACUUBRAND disclaims any liability for inappropri
to follow instructions contained in this manual.
NOTICE
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result in death or serious injury.
WARNING indicates a hazardous situation which, if
result in death or serious injury.
NOTICE
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the equipment, as well as the electromagnetic compat
NOTICE
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tures if installing the pump in a cabinet or a housing.
tomatic ventilation system if necessary. If pumping hot
ture (see ”Technical data”, pg. 24).
and a suitable ground point. As such,
the plug must be plugged into an outlet that is properly
NOTICE
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that the system which you are going to evacuate is
between inlet and outlet. See section
with overpressure at the inlet.
to be sure that the power source and the equipment
voltage selection switch is set correctly. Do not change
the setting of the voltage selection switch while the
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fore setting the voltage selection switch.
that it cannot get blocked. If installing an optional cool
Allow the equipment to equilibrate to ambient temperature
(regulations and guidelines).
NOTICE
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formity”) with regard to design, type and model. Directive
tentially explosive atmospheres.
according to ATEX, but they are
NOTICE
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substances which may form
inside the pump. The pumps are not suitable for
the pump. Deposits and condensate in the pump may
inside the pump, e.g., in
the pump chambers (the pump chamber is the part
When changing the substances pumped, we recom
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Adopt suitable measures to prevent the release of dan
You must take suitable precautions to prevent any for
failure, mechanically generated sparks, hot surfaces
tially explosive mixtures at the outlet of the pump, or
tect people from the effects of dangerous substances
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failure of connected components or of parts of the sup
failure or in case of a leak in the manifold, pumped
leak rate of the equipment
Adopt suitable measures to prevent contamination of
the pumped substances or the environment.
that its inlet pipeline is not contaminated.
the equipment. Hot parts may cause burns if touched.
Adopt suitable measures to prevent any danger aris
NOTICE
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see ”Accessories”, pg
focus on the maintenance and repair of vacuum pumps.
NOTICE
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tally. Never operate the pump if covers or other
Wear parts have to be replaced regularly.
Vent the pump before starting maintenance. Isolate
the pump and other components from the vacuum sys
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is done only by suitably trained
NOTICE
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VACUUBRAND equipment bearing mark (see rating plate)
VACUUBRAND equipment is no longer valid.
Vacuum pumps and vacuum gauges in category 3 are intended for con
Important information: Equipment marking (ATEX)
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After any intervention at the equipment (e.g., repair / maintenance) the ul
After any intervention at the vacuum sensor, the leak rate of the equip
Attention: This manual is not available in all
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Technical data
ture during operation (no condensation)
A-weighted emission sound pressure
psi
(bar)
psi
(bar)
psi
(bar)
Maximum permissible pressure (absolute) at gas ballast valve
No-load speed 50/60 Hz rpm 1500 / 1800
Device fuse
psi
(bar)
°F
(°C)
% 30 to 85
ft
(m)
14 to 140 / 50 to 104
(-10 to +60 / +10 to +40)
16
(1.1)
16
(1.1)
16
(1.1)
17.5
(1.2)
6500
(2000)
Motor protection thermal cutout, manual reset
Degree of protection IEC 529
Coolant connection
(waste vapor condenser, only
Maximum permissible pressure of
coolant at waste vapor condenser (
Permissible range of coolant temperature
(waste vapor condenser, only
Volume of catchpot (only
AK
EK
EK
/
EK
)
)
EK
)
)
psi
(bar)
°F
(°C)
quarts
(ml)
dB(A)
hose nozzle for tubing
I.D. 1/4” - 5/16”
(hose nozzle DN 6-8 mm)
87 (absolute)
(6 (absolute))
5 to 68
(-15 to +20)
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Gas inlet temperatures
Type ME 2C NT
ME 4C NT + 2 AK
Maximum pumping
speed* 50/60 Hz
(ISO 21360)
Ultimate vacuum
(absolute)
Rated motor power hp (kW) 0.24 (0.18)
Dual voltage motor
Maximum rated current at:
100-115 V~ 50/60 Hz, A
120 V~ 60 Hz
200-230 V~ 50/60 Hz A
230 V~ 50/60 Hz A
cfm
(m3/h)
Torr
(mbar)
1.2 / 1.4
(2.1 / 2.4)
52.5
(70)
100-115 V~ 50/60 Hz, 120V~ 60 Hz
230 V~ 50/60 Hz
ME 4C NT
2.3 / 2.6
(3.9 / 4.3)
52.5
(70)
Inlet
Outlet
approx.
design 2 AK
Weight approx.
design 2 AK
KF 16)
hose nozzle for tubing I.D. 3/8”
(hose nozzle DN 10 mm)
in
(mm)
in
(mm)
lbs. (kg)
lbs. (kg)
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Type
MZ 2C NT
MZ 2C NT + 2 AK
MZ 2C NT + AK + EK
MZ 2C NT + AK SYNCHRO + EK
MZ 2C NT + AK + M + D
PC 101 NT
Maximum pumping speed*
50/60 Hz (ISO 21360)
Ultimate vacuum (absolute)
without gas ballast
Ultimate vacuum (absolute)
with gas ballast
Rated motor power hp (kW) 0.24 (0.18)
Dual voltage motor
Maximum rated current at:
100-115 V~ 50/60 Hz,
120 V~ 60 Hz
200-230 V~ 50/60 Hz
230 V~ 50/60 Hz
cfm
(m3/h)
Torr
(mbar)
Torr
(mbar)
A
A
A
1.2 / 1.4
(2.0 / 2.3)
5.3
(7)
9
(12)
100-115 V~ 50/60 Hz, 120V~ 60 Hz
230 V~ 50/60 Hz
Inlet
Outlet
Pump:
Vacuum systems:
design 2 AK
design AK + EK design
AK SYNCHRO + EK
design AK + M + D
PC 101 NT
Weight approx.
Pump:
Vacuum systems:
design 2 AK
design AK + EK
design AK SYNCHRO + EK
design AK + M + D
PC 101 NT
hose nozzle for tubing I.D. 3/8" or small
hose nozzle for tubing I.D. 3/8”
(hose nozzle DN 10 mm)
in (mm)
in (mm)
in (mm)
in (mm)
in (mm)
in (mm)
lbs. (kg)
lbs. (kg)
lbs. (kg)
lbs. (kg)
lbs. (kg)
lbs. (kg)
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Type
ME 8C NT
ME 8C NT
+ 2 AK
MD 4C NT
MD 4C NT + 2 AK
MD 4C NT + AK + EK
MD 4C NT +
AK SYNCHRO + EK
PC 201 NT
Maximum pumping
speed* 50/60 Hz
(ISO 21360)
Ultimate vacuum
(absolute)
without gas ballast
Ultimate vacuum
(absolute)
with gas ballast
Rated motor power hp (kW)
Dual voltage motor
Maximum rated cur-
rent at:
100 V~ 50/60 Hz
120 V~ 60 Hz
100-115 V~ 50/60 Hz,
120V~ 60 Hz
200-230 V~ 50/60 Hz
230V~ 50/60 Hz
Inlet
cfm
(m3/h)
Torr
(mbar)
Torr
(mbar)
A
A
A
A
A
4.0 / 4.6
(7.1 / 7.8)
52.5
(70)
-
100 V~
50/60 Hz
120 V~ 60 Hz
hose nozzle for tubing I.D. 3/8"
2.0 / 2.2
(3.4 / 3.8)
1.1
(1.5)
2.3
(3)
(hose nozzle DN 10 mm)
Outlet
approx.
Pump:
Vacuum systems:
design 2 AK
design AK + EK
design
AK SYNCHRO + EK
PC 201 NT
in (mm)
in (mm)
in (mm)
in (mm)
in (mm)
hose nozzle for tubing I.D. 3/8"
12.8 x 9.6 x
7.8
(325 x 243
x 198)
12.6 x 9.6 x
14.7 (319 x
243 x 374)
-
-
-
(hose nozzle DN 10 mm)
12.8 x 9.6 x 7.8 (325 x 243 x 198)
12.6 x 9.6 x 14.7 (319 x 243 x 374)
12.8 x 9.6 x 15.8 (326 x 243 x 402)
12.8 x 9.8 x 15.8 (326 x 248 x 402)
12.8 x 9.6 x 15.8 (326 x 243 x 402)
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Exhaust waste vapor condenser / catchpot
MD 4C NT
ME 8C NT
MD 4C NT + 2 AK
MD 4C NT + AK + EK
Type
ME 8C NT
+ 2 AK
MD 4C NT +
AK SYNCHRO + EK
PC 201 NT
Weight approx.
Pump:
Vacuum systems:
design 2 AK
design AK + EK
design
AK SYNCHRO + EK
PC 201 NT
lbs. (kg)
lbs. (kg)
lbs. (kg)
lbs. (kg)
lbs. (kg)
Wetted parts
Components Wetted materials
Head cover
Diaphragm clamping disc
Diaphragm PTFE
Valves (ME 2C NT/ME 4C NT/ME 8C NT) PTFE
Valves (MZ 2C NT/MD 4C NT/ME 8C NT +2AK) FFKM
O-rings FPM
Valve head
Gas ballast tube PTFE carbon reinforced
Inlet (hose nozzle)
Pump
Vacuum systems
Outlet (hose nozzle)
Pump / MZ 2C NT + AK + M + D
Vacuum systems (waste vapor condenser)
Vacuum systems (2 AK)
Tubing PTFE
Flow control diaphragm PTFE
PTFE carbon reinforced
PP (PBT only SYNCHRO designs)
stainless steel
PTFE carbon reinforced
PET
PP
Valve block (SYNCHRO design) PP
Valves (valve block SYNCHRO) FFKM
Distribution head
Blind plug PP
O-ring at catchpot
Overpressure safety relief device PTFE / silicone rubber
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Abbreviations
Pump parts
Position Component
1 Inlet
2 Outlet
3
4
5
6 Handle
7
8 Fan
9 Catchpot
10
Position Component
11
12
13
14 Flow control diaphragm
15 Manometer
16 Valve block
17 Distribution head
18 Blind plug
19 Voltage selection switch
20 Pump support
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the outlet, install an appropriate system to catch and
to ensure an unimpeded discharge of gas. The cross-
the pump’s exhaust connection.
Use and operation
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Always install outlet tubing descending from the pump or
NOTICE
Voltage selection switch:
at the terminal box of the pump to the supply
to be sure that the power source and the equipment
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with hose clamps, to protect against accidental detach
To reduce pump noise emanating from the pump exhaust
Assembling the hose nozzle with union nut:
tions with condensable vapors.
Assemble the catchpots at the inlet and at
the outlet using joint clips.
Assemble the hose nozzles for coolant inlet
port, connect an exhaust hose or use a silencer (see ”Accessories”, pg. 48).
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Attach the tubing of the coolant circuit to the respective
to the surrounding atmosphere. If appropriate, connect
the exhaust line to a suitable treatment system.
waste vapor condenser: 87 psi (6
NOTICE
hose nozzles for tubing I.D. 1/4”-5/16”
I.D. 3/8” (
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at the outlet of the pump appropriately.
tubing or exhaust valve) at the outlet. Ensure that the
ft (2000 m) above mean sea level, check compatibility
with applicable safety requirements, and adopt suit
between inlet and outlet ports.
Attempts to start the pump at higher pressure difference
NOTICE
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for a long time may cause clogging of the silencer. Check
A warm up period (approximately 15 min.) is required to
NOTICE
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valve slightly hand-tight. Further tightening will not in
Air and pumped media might react inside the pump or
valve can never lead to hazardous, explosive or other
wise dangerous mixtures. If in doubt, use inert gas.
vapors. Turn gas ballast cap to open valve.
the gas ballast cap is pointing towards the
With gas ballast valve open, the ultimate
NOTICE
NOTICE
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to connect an inert gas supply line (see ”Accessories”,
to the surrounding atmosphere.
I.D. 3/8” (
waste vapor condenser: 87 psi (6
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valve (see ”Accessories”, pg. 48)
waste vapor condenser: 5 °F to 68 °F (-15°C to +20°C)
Admit air or inert gas (via the pump inlet) to restore at
NOTICE
NOTICE
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Allow the pump to continue to run at atmospheric pres
NOTICE
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Accessories
for pressure differences > 375 Torr (500 mbar))
......................................
to two inlets (valve block; replaces distribution head)
Adapter G 1/4 thread to PTFE tubing*
for inlet at valve block (SYNCHRO)
for assembly at inlet of valve block (SYNCHRO)
...........................................
...............................
for inlet at valve block (SYNCHRO)
................................................
...............................
for inlet at distribution head
for assembly at inlet of distribution head
for assembly at valve block or distribution head
I.D. 3/8” (
3/8” (
for tubing I.D. 1/4” / 3/8” (
for tubing I.D. 1/4” / 3/8” (
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Ways to connect NT chemistry diaphragm pumps:
with hose - for installation at hose nozzle
for assembly directly at the valve head
for assembly directly at the valve head (at outlet of ME 8C NT / MD 4C NT)
Adapter hose nozzle DN 10 to hose nozzle 1/2
.......................................
for assembly directly at the valve head (at inlet of ME 4C NT / ME 8C NT / MD 4C
for assembly directly at the valve head (at inlet of MZ 2C NT;
.......................................
for assembly at valve block or distribution head
for assembly at valve block or distribution head
for assembly at valve block or distribution head
.........................
at the spherical ground joint of the catchpot.................
modules, pumps and connectors
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Troubleshooting
Electrical power cord
not plugged in, electrical supply failure?
Device fuse blown? Identify cause of failure.
Overpressure in outlet
line?
Motor overloaded? Allow motor to cool down,
Plug in power cord.
Check fuse.
Replace device fuse.
Remove blockage in line,
open valve.
identify and eliminate
cause of failure. Manual
reset is necessary. Switch
off pump or unplug.
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to pump outlet. Be careful
A service manual with exploded view drawings, spare parts list and
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the pump are disassembled.
tion. Ensure that the pump is decontaminated before
Avoid the release of pollutants.
taminated the pump and may be released upon dis
familiar with the safety procedures which relate to the
Vent the pump and isolate it from the vacuum sys
tem before you start maintenance.
Replacing diaphragms and valves
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for cracks or other damage.
NOTICE
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Cleaning and inspecting the pump heads
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Apply slotted screwdriver as shown and
valve heads (O) and connections.
the hose connection between the adjacent
Replacing the diaphragm
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towards diaphragm clamping disc (facing
with diaphragm clamping disc and diaphragm support disc in the dia
Avoid damage of the diaphragm: Do not excessively bend or crease
formance. Make sure that the original number is reassembled at the
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Assemble the original number of washers
fastener (Q) with a slotted screwdriver.
Replacing the valves
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valve tongue points at the kidney-shaped
valve is oriented the same direction as the
with large opening downwards. Pay atten
tion to the correct orientation of the valve
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Align the countersunk bores with the thread
which they are in contact with the housing
the head cover with the mark at the pump
with a 5 mm wide Allen key, then tighten.
Valve head with gas ballast or hose nozzle connection:
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Assemble catchpots (9) with joint clips.
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Whenever the diaphragms and valves have been replaced, a break-in
valve seats and pump chambers.
After any intervention at the equipment (e.g., repair / maintenance)
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valve and install the new one. Check for
Replacing the overpressure safety relief device
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Replacing the fuse
to allow the capacitors to discharge.
After replacing the fuse, the pump must be checked for
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Repair - Maintenance - Return - Calibration
forms the basis for the risk assessment.
These devices cannot be checked, maintained or re
VACUUBRAND due to a residual risk.
Send a completed copy of the
to us in advance. The declaration
Close all openings airtight
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from it safely in accordance with all local and national
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VACUUBRAND shall be liable for insuring that this prod
fects at the time of the transfer of risk.
VACUUBRAND shall not be liable for the consequences
wearing parts such as diaphragms, seals, valves, vanes,
for damages irrespective of legal grounds.
Warranty
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Health and safety clearance form
with biological substances of
tained or repaired. Also decontaminated devices must not returned to VACUUBRAND due to a residual risk.
All parts of the device are free of hazardous, harmful substances
We assure for the returned device that all substances, which have been in contact with the device are listed in
from third parties. We are aware that as expressed in § 823 BGB (Public Law Code of Germany) we are directly
Job title: ...................................................................
T +49 9342 808-5660 F +49 9342 808-5666
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VACUUBRAND GMBH + CO KG · Alfred-Zippe-Str. 4 · 97877 Wertheim · Germany
/ ME 8C NT / ME 8C NT + 2 AK / MD 4C NT / MD 4C NT + 2 AK / MD 4C NT + AK + EK /
Artikelnummer / Order number / Numéro d‘article: 730100, 730102, 730105 / 731200, 731201,
Angewandte harmonisierte Normen / Harmonized standards applied / Normes harmonisées uti
Alfred-Zippe-Str. 4 · 97877 Wertheim
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China RoHS
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factors beyond our control. It is, therefore, strictly the users’ responsibil
© 2017 VACUUBRAND GMBH + CO KG Printed in Germany
Alfred-Zippe-Str. 4 · 97877 Wertheim / Germany