BoWex
®
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
40110 EN
16 of 22
16
Please observe protection
note ISO 16016.
Drawn:
2019-07-01 Pz/Wb
Replacing:
KTR-N dated 2017-01-02
Verified:
2019-07-23 Pz
Replaced by:
Enclosure A only valid for BoWex
®
coupling.
Conditions of operation in
potentially explosive atmospheres
BoWex
®
couplings are suitable for the use according to EU directive 2014/34/EU.
1. Industry (with the exception of mining)
•
Equipment group II of category 2 and 3 (
coupling is not approved/not suitable for equipment group 1
)
•
Substance group G (
gases, fogs, vapours
), zone 1 and 2 (
coupling is not approved/not suitable for zone 0
)
•
Substance group D (
dusts
), zone 21 and 22 (
coupling is not approved/not suitable for zone 20
)
•
Explosion group IIC (gases, fogs, vapours)
(explosion group IIA and IIB are included in IIC)
and explosion
group IIIC (dusts)
(explosion group IIIA and IIIB are included in IIIC)
Temperature class:
Temperature class
Standard sleeve „light“
Conductive sleeve „black“
Ambient or operating temperature T
a
1)
Max. surface temperature
2)
T4
-30 °C to +100 °C
+120 °C
T5
-30 °C to +75 °C
+95 °C
T6
-30 °C to +60 °C
+80 °C
Explanation:
The maximum surface temperatures result from each the maximum permissible ambient or operating temperature T
a
plus the maximum
temperature increase
T of 20 K (standard sleeve “light” and conductive sleeve “black”) to be considered. A relevant standard safety margin of
5 K has to be added to the temperature class.
1) The ambient or operating temperature T
a
is limited to + 100
°C (standard sleeve “light” and conductive sleeve “black”) due to the
permissible permanent operating temperature of the BoWex
®
sleeves used.
2) The maximum surface temperature of +120 °C applies for the use in locations which are potentially subject to dust explosion.
In potentially explosive atmospheres
•
the ignition temperature of dusts generated must at least be 1.5 times the surface temperature to be
considered
•
the glow temperature must at least be the surface temperature to be considered plus a safety distance of 75 K.
•
the gases and vapours generated must amount to the temperature class specified.
2. Mining
Equipment group I of category M2 (
coupling is not approved/not suitable for equipment group M1
)
Permissible ambient temperature - 30 °C to + 100
°C (standard sleeve “light” and conductive sleeve “black”).
9
Enclosure A
Advice and instructions regarding the use in
potentially explosive atmospheres
9.1 Intended use in
potentially explosive atmospheres
