Buratex B 4001 is a flexible cotton packing impregnated with black grease and graphite to improve the thermal conductivity. When it is manufactured, particularly tear-resistant cotton threads are pre-impregnated and twisted. At the next diagonal braiding step, the packing undergoes an additional intensive impregnating and graphiting stage.
Pumps
Pressure: p = 10 bar
Sliding velocity: vg = 10 m/s
Valves
Pressure: p = 60 bar
Sliding velocity: vg = 2 m/s
Mixers, agitators, kneaders, filters
Pressure: p = 8 bar
Sliding velocity: vg = 2 m/s
Temperature
Chemical resistance:
pH = 6 ... 8
Resistant in water and wastewater.
Industries
Mechanical units
In pump applications, ideally fitted with a straight cut.