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Carbon packing type EWW/I

Products > Packings for pumps and valves > Carbon packing type EWW/I

High-parameter packing braided of highest-quality pure carbon yarn with very high thermal and mechanical resistance. Additionally, sealing is enriched with impregnant on the basis of graphite and corrosion inhibitor. The packing is characterized by excellent flexibility and low friction coefficient. An additional advantage is full chemical resistance in the range of pH 0 – 14.

Application

EWW/I packing is used mostly in piston and rotor pumps at a very high temperatures and pressures, in contact with hot steam, oils and alkali except for strongly concentrated ones.

Technical parameters

DESCRIPTION OF PARAMETER

VALUE

TYPE

EWW/I

Maximum operation temperature in °C

500

Minimum use temperature in °C

- 240

Type of reinforcement

-

Scope of pH

0 – 14

Density in g/cm3

1,2 ± 15 %

Centrifugal pumps

p=50 bar

v=20 m/s

Reciprocating pumps

p=150 bar
v=2 m/s

Colour

black

Dimensional range in mm

6 – 25

Special versions

EWW/I+R – with elastomer core

Commercial packaging

6-16 mm – roll at least 2 kg
17-30 mm – roll at least 5 kg