Operating Instructions
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2.7 Safety instructions relevant to the specific product or technology
This section provides basic safety instructions relevant to the technology used in the product.
Symbol
Meaning
NOTE
The product has
not
been certified and tested in accordance with the ATEX Directive 2014/34/EU
(previously: 94/9/EC)!
NOTE
The product has
not
been certified and tested in accordance with IEC/EN 60079 standard (Intrinsic
safety)!
NOTE
The product belongs to corrosion resistance class 5 as per ISO 9227
NOTE
If the product comes into contact with chemicals, a separate inspection must be conducted by iwis.
2.7.1 Housing: Upper part and lower part (sliding shoe), SLS Material
See also description in chapter 4.
The following list makes no claim to completeness and is only an excerpt of the properties.
General properties
Colour
Yellow, black
Max. Water absorption
1,9 % by weight
Max. Moisture absorption (at 23°C/73°F, 50% r.h.)
0,8 % by weight, test method DIN 53495
Sliding friction coefficient, dynamic, against Cf53 steel
0,26
Sliding friction coefficient, dynamic, against V2A
stainless steel
0,18
pv-value, max. (dry)
0,35 MPa
⋅
m/s
Tensile strength
68 / 61 MPa
Flat/Upright sintered
Physical and thermal properties
Upper long-term application temperature
80 °C
Upper short-term application temperature
140 °C
Lower application temperature
-40 °C
Coefficient of thermal expansion (at 23°C/73°F)
12 K
-1
⋅
10
-5
, test method DIN 53752
Maximum recommended surface pressure (at 20°C/68°F)
46 MPa
Compressive strength
60 MPa
Thermal conductivity
0,14 W/(m
⋅
K), test method ASTM C 177
Resistance classes (at 23°C/73°F, 50% r.h.):
+ resistant; 0 conditionally resistant; - unstable; x no data available
1) The plain bearings are not chemically attacked by these substances. They can, however, be dimensionally altered by water
absorption.
+
Acetaldehyde (aqueous), 40
%
+
Butanol
+
Acetamide (aqueous), 50
%
+
Butter
+
Acetic acid, 10
%
+
Butyl acetate
+
Acetic acid, 2
%
+
Butyl glycol
–
Acetic acid, 90
%
+
Butylloycolate
+
Acetone
+
Butyl phthalate
–
Acetyl chloride
0
Butyric acid
+
Acrylonitrile
+
Calcium chloride, saturated solution
0
Air, liquid
+
Calcium hydroxide, aqueous
+
Allyl alcohol
+
Calcium hypochlorite
0
Aluminium chloride (aqueous), 10
%
+
Camphor
–
Aluminium cleaner
+
Carbon disulphide
