Chemistry diaphragm pumps and chemistry vacuum systems with ATEX approval, VARIO®

Supplier: VACUUBRAND
20696936 20696937 20696946 20696947
VACU20696936EA 9810 EUR
VACU20696936 VACU20696937 VACU20696946 VACU20696947
Chemistry diaphragm pumps and chemistry vacuum systems with ATEX approval, VARIO®
Pumps Vacuum Diaphragm Pumps
For use in explosive areas chemistry diaphragm pumps category 2 with ATEX conformity are available.

  • Full advantage of ATEX chemistry diaphragm pumps
  • VARIO®: short process times due to hysteresis-free VARIO® vacuum control
  • VARIO® pump operates on demand only as fast as necessary – minimal power consumption, extended maintenance intervals, silent operation
  • Noise level: 42 dB(A)
  • Electrical: 230 V, 50 Hz

In explosive areas, only operating materials with ATEX conformity may be used. VACUUBRAND offers chemistry diaphragm pumps and pumping units category 2 (More Product Information
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SPECIFICATIONS

Model MD 4C EX VARIO MD 4C EX VARIO+AK+EK MV 10C EX VARIO MV 10C EX VARIO+AK+EK
Environmentally Preferable
No. of stages 3 3 4 4
Flow rate 62 l/min 62 l/min 135 l/min 135 l/min
Ultimate total vacuum without gas ballast 3 mbar 3 mbar 2 mbar 2 mbar
Final pressure with gas ballast 10 mbar 10 mbar 10 mbar 10 mbar
Protection class IP 54 IP 54 IP 54 IP 54
Connection on pressure side (EX) Small flange KF DN 16 Hose nozzle DN 8 - 10 mm Small flange KF DN 16 Hose nozzle DN 8 - 10 mm
Connection on suction side (IN) Small flange KF DN 25 Small flange KF DN 25 Small flange KF DN 25 Small flange KF DN 25
ATEX approval Pumping chamber (pumped gases):
II 2G Ex h IIC T3 Gb X
Environment (without inert purge gas):
II 3G Ex h IIB T4 Gc X
Environment (with inert purge gas):
II 2G Ex h IIB T4 Gb X
Motor: II 2G Ex d IIB T4 Gb
Pumping chamber (pumped gases):
II 2G Ex h IIC T3 Gb X
Environment (without inert purge gas):
II 3G Ex h IIB T4 Gc X
Environment (with inert purge gas):
II 2G Ex h IIB T4 Gb X
Motor: II 2G Ex d IIB T4 Gb
Pumping chamber (pumped gases):
II 2G Ex h IIC T3 Gb X
Environment (without inert purge gas):
II 3G Ex h IIB T4 Gc X
Environment (with inert purge gas):
II 2G Ex h IIB T4 Gb X
Motor: II 2G Ex d IIB T4 Gb
Pumping chamber (pumped gases):
II 2G Ex h IIC T3 Gb X
Environment (without inert purge gas):
II 3G Ex h IIB T4 Gc X
Environment (with inert purge gas):
II 2G Ex h IIB T4 Gb X
Motor: II 2G Ex d IIB T4 Gb
Motor output 0,25 kW (rated motor power) 0,25 kW (rated motor power) 0,5 kW (rated motor power) 0,5 kW (rated motor power)
W×D×H 469×265×305 mm 600×365×420 mm 560×457×410 mm 651×555×452 mm
Weight 28 kg 36 kg 61 kg 63 kg

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