Мембранный насос VARIO MD 4 VARIO select

Description

VACUUBRAND20736350ca. 245 mmca. 235 mmca. 19.1 kg20736350

This three-stage diaphragm pump is an excellent solution for continuous, oil-free pumping of non-corrosive gases to a vacuum level as deep as 1 mbar. All wetted parts are made of aluminum, stainless steel and carefully selected plastics suitable for a wide range of applications with non-corrosive gases. The MD 4 VARIO select continuously adapts its motor speed to hold the desired vacuum level. That means the pump is whisper-quiet and generates ultra-low vibrations, and has high leak tightness. The highly flexible fabric-reinforced double FKM diaphragm is ideal for extended operating life. The VARIO design includes the variable speed pump and the VACUU·SELECT vacuum controller with external gauge head. The demand-responsive motor speed control on VARIO models further extends the already long lifetimes of diaphragms and valves.

Performance features

  • VACUU·SELECT vacuum controller with graphical user interface and predefined applications simplifies work in the laboratory
  • extraordinary diaphragm life for minimum operational and servicing costs
  • contamination-free pumping and evacuation
  • excellent ultimate vacuum and TURBO·MODE for use as backing pump for turbo pumps

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Technical data

Конвертор величин
Technical dataUnit MD 4 VARIO select
Vacuum controllerVACUU·SELECT
Number of heads / stages4 / 3
Max. pumping speedm3/h5.7
Max. pumping speedcfm3.4
Ultimate vacuum (abs.)mbar/torr1 / 0.75
Ambient temperature range (operation)°C10 - 40
Ambient temperature range (storage)°C-10 - 60
Max. back pressure (abs.)bar1.1
Inlet connectionSmall flange KF DN 16
Outlet connectionSilencer / G1/4"
Rated motor powerkW0.53
Motor speed rangemin-130 - 2400
Rated speedmin-11500/1800
Degree of protectionIP 20
Dimensions (L x W x H)mm325 x 235 x 245
Weightkg19.1
Noise level at 50 Hz, typ.dBA45
ATEX conformity (only 230V)II 3/- G IIC T3 X Internal Atm. only
Items suppliedPump completely mounted, ready for use, with manual.
AccessoriesStainless steel tubing KF DN 16 (1000 mm: 20673336)
Vent valve VB M-B (20674217)

MD 4 VARIO select - Pumping speed graph

MD 4 VARIO select - Pumping speed graph

MD 4 VARIO select - Pump down graph (10 l volume)

MD 4 VARIO select - Pump down graph
(10 l volume)

MD 4 VARIO select - Dimension sheet

MD 4 VARIO select - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlug* Order no.
MD 4 VARIO select 200-230 V~ 50-60 Hz
CEE 20736350
200-230 V~ 50-60 Hz
CH 20736351
100-120 V~ 50-60 Hz
US 20736353

* Пожалуйста обратите внимание на изменение номеров для заказа. В связи с введением новой ERP-системы в 2018 году все номера
заказов будут изменены и состоять из восьми цифр: к старым номерам будет в начале добавлена цифра 20 или 2.

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MD 4 VARIO select