en
Appendix
38
WILO GVA GmbH 2019-02
To ensure proper handling, recycling and disposal of the used products in question,
please note the following points:
ƒ
Only hand over these products at designated, certified collecting points.
ƒ
Observe the locally applicable regulations!
Please consult your local municipality, the nearest waste disposal site, or the dealer who
sold the product to you for information on proper disposal. Further recycling informa-
tion can be found at www.wilo-recycling.com.
13
Appendix
13.1
Shrink disc tightening torques
Steel mixer shaft
Size
Mixer shaft
Thread
Tightening
torque
Shrink disc
inside diameter
Mixer
D62
5
70.0 x 12.5
M6
12 Nm (9 ft·lb)
D75
6
88.9 x 16.0
M8
30 Nm
(22 ft·lb)
D90
7
101.6 x 17.5
M8
30 Nm
(22 ft·lb)
D100
8
114.3 x 20
M8
30 Nm
(22 ft·lb)
Stainless steel mixer shaft
Size
Mixer shaft
Thread
Tightening
torque
Shrink disc
inside diameter
Mixer
D62
5
71/45
M6
6.8 Nm (5 ft·lb)
D75
6
90/56
M8
16 Nm
(12 ft·lb)
D90
7
95/67
M8
16 Nm
(12 ft·lb)
D100
8
106/71
M8
16 Nm
(12 ft·lb)
13.2
Ex rating
This section contains further information on the operation of the mixer in an explosive
atmosphere. All personnel must read this section.
This section applies only to Ex-rated
mixers!
13.2.1
Identification of Ex-rated mixers
For use in explosive atmospheres, the mixer
and
the drive unit must be marked as fol-
lows on the rating plate:
ƒ
Mixer
–
“Ex” symbol of the corresponding approval
–
Ex classification
ƒ
Drive unit
–
“Ex” symbol of the corresponding approval
–
Ex classification
–
Certification number (depending on the approval)
If required by the approval, the certification number is printed on the rating plate.
13.2.2
Intended use
ATEX approval
The mixers are suitable for operation in potentially explosive atmospheres:
ƒ
Device group: II
ƒ
Category: 2, zone 1 and zone 2
Mixers must not be used in zone 0!