Prefilter – PF

Analog: B077R20, B077R22

Pre-filter (PF) is a dry particle filter, which is used for SF6 gas electrical equipment in SF6 gas recovery, it can deal with moisture, dust in SF6 gas.

Prefilter – PF

Model: PF
Description: pre-filter
Operating environment SF 6
Filter: Activated alumina and dust filter
Design pressure 25 bar
Filtering accuracy 1um
Impurity treatment Humidity, SF6 gas dust,
Annual leakage rate 1%
Operating temperature 10 – 50 °С
Storage temperature 10 – 50 °C
Weight About 10 kg
Dimensions 2 5 ° c m (L) x 5 ° c m (W) x 40 ° c m (
Packing: Carton


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