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  • 내화학성 테프론 펌프
  • 고진공 (3 mbar abs)
  • ATEX (230V/50HZ II 2G Exd IIB T4)

Technical data

Technical data Unit MD 4C EX
Number of heads / stages   4 / 3
Max. pumping speed l/min. 61.5
Max. pumping speed cfm 2.2
Ultimate vacuum (abs.) mbar/torr 3/2.3
Ultim. vac. (abs.) with gas ballast mbar/torr 10/7.5
Integral leakage rate mbar l/s 0.1
Ambient temperature range (operation) °C 10 - 40
Ambient temperature range (storage) °C -10 - 60
Max. media temperature °C 40
Max. back pressure (abs.) bar 1.1
Inlet connection   Small flange KF DN25
Outlet connection   Small flange KF DN 16
Rated motor power kW 0.25
Max. operating current A 2
Max. starting current A 10.2 A / 125 ms
Rated speed min-1 1500
Degree of protection   IP 54
Dimensions (L x W x H), approx. mm 440 x 265 x 305
Weight, approx. kg 29.3
Noise level at 50 Hz, typ. dBA 53
ATEX conformity Pumping chamber (pumped gases): II 2G IIC T3 X
Environment with inert purge gas: II 2G IIB T4 X
Environment without inert purge gas: II 3G IIB T4 X
Motor: II 2G Ex d IIB T4