10
Technical Data
Hygenicplus version
Operating Instructions – MOVIFIT
®
SC
129
10.9 Hygenic
plus
version
10.9.1 Properties of sealing materials and surfaces
Sealing material
property
EPDM is the standard sealing material for the Hygenic
plus
version. The following table
shows a selection of various EPDM properties. Take this information into account when
planning your system.
Property
EPDM stability
Alkali resistance
Very good
Resistance to ageing
Very good
Ammonia (no water)
Very good
Ethanol
Very good
Gasoline resistance
Low
Vapor
Up to 130 °C
Hot water
Very good
Lye
Very good
Carbonic acid
Very good
Methanol
Very good
Sodium chloride
Very good
Oil (vegetable, ethereal)
Good to medium
Oil and grease resistance
Low
Ozone resistance
Very good
Phosphoric acid (50 %)
Very good
Nitric acid (40 %)
Good
Hydrochloric acid (38 %)
Very good
Acid resistance
Very good
Sulfuric acid (30 %)
Very good
Silicone oils and greases
Very good
Drinking water
Very good
Suds (laundry detergent)
Very good
Sugar (watery)
Very good
Permitted temperature range
–25 ... +150 °C
NOTES
The low rated stability of EPDM in case of contact with mineral oils, gasoline, grease
etc. results from the fact that EPDM swells when it comes into contact with these mate-
rials. However, these chemicals do not destroy EPDM.
P
i
f
kVA
Hz
n
Summary of Contents for MOVIFIT SC series
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