Girovac Ltd
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RB ROOTS TYPE BOOSTER 21.20 BP

RB Vacuum BOOSTER to be used in conjunction with a primary pump, like the EVISA range! The Boosters belong to the group of Positive Displacement Delivery Pump. Both Lobes having a figure of eight profile. The built-in by-pass valve is an “unloading” type which allows the pumped gases to flow directly through the pump when the acceptable maximum differential pressure is exceeded.

Description

 

 

Characteristics

RATED SUCTION FLOW M3/Hr 500
ROTATION SPEED RPM 2860
NOMINAL MOTOR POWER Kw 2.20
NORMAL SUPPLY VOLTAGE 50Hz V 230/400
OIL CAPACITY IN OIL BOX A / B L 1.1 / 1.6
OIL CAPACITY SHAFT PASSAGE SEAL 0.07
PUMP WEIGHT with MOTOR Kg 130
PUMP WEIGHT BARE SHAFT Kg 115

 

DN a a1 a2 a3 a4 a5 v
100 932 292 270 230 120 135 23

 

b1 b2 b3 BP d1 h h2 J K L S
360 220 290 380 18 320 160 18Ø x 8 220 180 20

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