Care of Component Materials Waukesha Cherry-Burrell
®
Brand C-Series Pump
Page 8 95-03008-IEC 01/2019
Care of Component Materials
NOTE: SPX FLOW recommends the use of an FDA-approved anti-seize compound on all threaded
connections.
Failure to comply with the Care of Component Materials could lead to bodily injury.
Stainless Steel Corrosion
Corrosion resistance is greatest when a layer of oxide film is
formed on the surface of stainless steel. If film is disturbed or
destroyed, stainless steel becomes much less resistant to corro-
sion and may rust, pit or crack.
Corrosion pitting, rusting and stress cracks may occur due to
ch
emical attack. Use only cleaning chemicals specified by a repu-
table chemical manufacturer for use with stainless steel. Do not
use
excessive concentrations, temperatures or exposure times.
Avoid contact with highly corrosive acids such as hydrofluoric,
hydrochloric or sulfuric. Also avoid prolonged contact with chlo-
ride-containing chemicals, especially
in presence of acid. If chlo-
rine-based sanitizers are used, such as sodium hypochlorite
(
bleach), do not exceed concentrations of 150 ppm available
chlorine, do not exceed contact time of 20 minutes, and do not
exceed temperatures of 104°F (40°C).
Corrosion discoloration, deposits or pitting may occur under prod-
uct deposits or under gaskets. Keep surfaces clean, including
tho
se under gaskets or in grooves or tight corners. Clean immedi-
ately after use. Do not allow equipment to set idle, exposed to a
ir
with accumulated foreign material on the surface.
Corrosion pitting may occur when stray electrical currents come
in
contact with moist stainless steel. Ensure all electrical devices
connected to the equipment are correctly grounded.
Elastomer Seal
Replacement Following
Passivation
Passivation chemicals can damage product contact areas of this
equipment. Elastomers (rubber components) are most likely to be
affected. Always inspect all elastomer seals after passivation is
completed. Replace any seals showing signs of chemical attack.
Indications may include swelling, cracks, loss of elasticity or any
other noticeable changes when compared with new components.
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