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Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefully

the validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009

page 12 of 36

Wetted parts

We reserve the right for technical modification without prior notice!

Gas inlet temperatures

Operating condition

Inlet pressure

Permitted range of gas

temperatures at inlet

Continuous operation

> 100 mbar (high gas load)

+10°C to +40°C

Continuous operation

< 100 mbar (low gas load)

0°C to +60°C

Short-time (< 5 minutes)

< 100 mbar (low gas load)

-10°C to +80°C

Components

Wetted materials

Housing cover

aluminium alloy (AlMgSi0,5 or AlSi12)

Head cover

aluminium alloy (AlSi12)

Diaphragm clamping disc

aluminium alloy (AlSi12)

Diaphragm clamping disc (MZ 2S NT / ME 8S NT) ETFE carbon fibre reinforced
Diaphragm

FPM

Diaphragm (MZ 2S NT / ME 8S NT / ME 4R NT)

PTFE

Valves

FPM

Valves (MZ 2D NT)

FPM / PTFE

Valves (MZ 2S NT / ME 8S NT)

FFKM

Valves (ME 4R NT)

PTFE

O-rings

FPM

Connection tube

aluminium alloy (AlMgSi0,5)

Connection piece (MV 2 NT)

aluminium alloy

Small flange

stainless steel

Hose nozzle

PBT

Hose nozzle (ME 4 NT)

stainless steel

Silencer

PA / PE / aluminium or

aluminium alloy / silicone

Fittings (ME 4(R) NT / MZ 2 NT / MZ 2D NT)

aluminium, anodized

Hose (ME 4(R) NT / MZ 2 NT / MZ 2D NT)

Hose (MZ 2S NT)

PTFE

Seal rings (ME 4(R) NT / MZ 2 NT / MZ 2D NT)

PVC

Vacuum / pressure adjustment device (ME 4R NT)

O-ring

NBR

Valve block

aluminium alloy

Seal ring at manometer

copper

Hollow bolt, dispensing screw

stainless steel

Overpressure safety relief device

FPM

Содержание ME 4 NT

Страница 1: ...the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009 page 1 of 36 Diaphragm pumps Instructions for use Technology for Vacuu...

Страница 2: ...CUUBRAND diaphragm pumps are the result of many years of experience in design and construction and practical operation of these pumps combined with the latest developments in material and manu facturi...

Страница 3: ...rom mains before removing the cover NOTICE Contents Safety information 4 General information 4 Intended use 4 Setting up and installing the equipment 4 Ambient conditions 5 Operating conditions 5 Safe...

Страница 4: ...mperatures during operation between 10 C and 40 C Check the maximum temperatures if installing the pump in a cabinet or a housing and make sure ventilation is adequate Install an external automatic ve...

Страница 5: ...bient parts e g housing walls Check fan regularly for dust dirt clean if necessary to avoid a cutback of ventilation If the equipment is brought from cold environment into a room for operation allow t...

Страница 6: ...install an appropriate collecting and disposal system and take protective action for pump and environment Prevent any part of the human body from coming in contact with vacuum The user must take suita...

Страница 7: ...sufficient cooling down Take suitable precautions if an automatic restart of the pump might lead to a critical dan gerous situation The A weighed emission sound pressure level of the pump does not ex...

Страница 8: ...nt correctly to vacuum and pressure systems see section Use and operation Use the equipment for the intended use only i e to generate vacuum or to com press gases in vessels designed for that purpose...

Страница 9: ...sible ambient temperature storage operation C 10 to 60 10 to 40 Permissible relative atmospheric moisture during operation no condensation 30 to 85 Rated motor power W 180 No load speed 50 60 Hz min 1...

Страница 10: ...operation C 10 to 60 10 to 40 Permissible relative atmospheric moisture during operation no condensation 30 to 85 Rated motor power W 250 No load speed 50 60 Hz min 1 1500 1800 Maximum permissible ran...

Страница 11: ...ding of manometer bar 3 Maximum pressure difference between inlet and outlet bar 4 Permissible ambient temperature storage operation C 10 to 60 10 to 40 Permissible relative atmospheric moisture durin...

Страница 12: ...cover aluminium alloy AlSi12 Diaphragm clamping disc aluminium alloy AlSi12 Diaphragm clamping disc MZ 2S NT ME 8S NT ETFE carbon fibre reinforced Diaphragm FPM Diaphragm MZ 2S NT ME 8S NT ME 4R NT P...

Страница 13: ...to his product Manual no 999155 29 01 2009 page 13 of 36 Pump parts ME 4 NT 1 5 3 2 6 Position Component 1 Inlet 2 Outlet 3 On off switch 4 Mains connection 5 Handle 6 Pump rating plate 7 Fan 8 Inlet...

Страница 14: ...ely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009 page 14 of 36 MZ 2 NT MZ 2S NT 1 5 3...

Страница 15: ...uted completely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009 page 15 of 36 ME 8 NT ME...

Страница 16: ...y and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009 page 16 of 36 MD 4 NT MV 2 NT fig MD 4...

Страница 17: ...con stitutes a potential source of danger take appropriate safety measures Pump with dual voltage motor Check that the voltage changeover switch at the terminal box is positioned correctly Attention...

Страница 18: ...mum pressure difference between inlet and outlet ports ME 4R NT For continuous operation at inlet pressures above atmospheric pressure the inlet pressure must not exceed the outlet pressure The maxima...

Страница 19: ...e only manually Switch off the pump or isolate the equipment from mains Determine and eliminate the cause of failure Wait approx five minutes before restarting the pump Attention In case of supply vol...

Страница 20: ...e 20 of 36 Accessories Non return valve flapper valve 639683 Simultaneous operation of two systems at different pressure levels stainless steel FFKM leak rate 10 3 mbar x l s for pressure differences...

Страница 21: ...reset is necessary Switch off pump or unplug mains Pump does not achieve its ultimate vacuum or usual pumping speed Centring ring at small flange connection not correctly posi tioned or leak in the p...

Страница 22: ...ble trained and supervised technicians Ensure that the pump cannot be operated accidentally Never operate the pump if covers or other parts of the pump are disassembled Never operate a de fective or d...

Страница 23: ...the position of the valves and remove them Replace valves if necessary Use petroleum ether or industrial solvent to remove de posits Do not inhale Cleaning and inspecting the pump heads ME 4 MZ 2 D Us...

Страница 24: ...2 O rings not ME 8 NT 3 Valves 4 Head cover 5 Diaphragm clamping disc with square head screw MZ 2D NT with countersunk head screw Pump head parts 6 Countersunk head screw 7 Diaphragm 8 Diaphragm suppo...

Страница 25: ...er of washers The pump will not attain ultimate vacuum More washers The clamp ing disc will hit the head cover noise or even blockade and damage of the pump Attention Double diaphragm consisting of tw...

Страница 26: ...sure that the valves are correctly seated Valves at the outlet with round centred opening under valve valves at the inlet with kidney shaped opening of the head cover 2 beside valve Only MZ 2D NT Inst...

Страница 27: ...ME 8 NT MD 4 NT MV 2 NT Install the connecting tube 1 under the pump between the two housing covers Screw in the socket head screws fixing the housing cover crosswise first slightly then tighten Torqu...

Страница 28: ...w the four screws with a Torx screw driver TX20 and remove the terminal box cov er Remove the wire with the blown fuse fixed with flat pin bushes 2 see figure Mount the new wire flat pin bushes and cl...

Страница 29: ...onditions with every product returned for repair We submit quotations only on request and always at the customer s expense If an order is given the costs incurred are offset from the costs for repair...

Страница 30: ...e returned product that neither toxic corrosive biologically active explosive radio active nor contamination dangerous in any way has occurred the product is free of dangerous substances the oil or re...

Страница 31: ...out the agreement of the manufacturer Par la pr sente nous d clarons que le dispositif d sign ci dessus est conforme aux prescriptions de base des directives EU applicables et indiqu s en ci que conce...

Страница 32: ...It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009 page 32 of 36 This certificate is only valid for pumps...

Страница 33: ...nly to be used and distributed completely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009...

Страница 34: ...nly to be used and distributed completely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009...

Страница 35: ...nly to be used and distributed completely and unchanged It is strictly the users responsibility to check carefully the validity of this document with respect to his product Manual no 999155 29 01 2009...

Страница 36: ...obtained under test conditions for specific applications depend on a number of factors beyond our control It is therefore strictly the users responsibility to very carefully check the validity of app...

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