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Idiomas disponibles
DOC-2
MODEL DESCRIPTION
e
c
e
d
b
f
d
c
NDP Series
a Series
b Centre Body
c Liquid connection port size
d Valve type
e Wetted parts material
f Diaphragm and ball material
g Liquid connection thread type
h Air connection thread type
j Special options code
DOC-3
ATEX CODING DESCRIPTION
1
2
3
II
2
II
2
1 Specific marking of explosion protection
2 Equipment of group II
3 Equipment of category 2
4 Explosive atmospheres caused by gases, vapours or mists
5 Equipment of category 2
6 Explosive atmospheres caused by dust
7 Non-electrical equipment for explosive atmospheres
8 Equipment of Group IIC
9 Temperature class, based on its maximum surface temperature internal and external
10 Equipment Protection Level (EPL), "equipment for explosive gas atmospheres"
11 Non-electrical equipment for explosive atmospheres
12 Equipment of Group IIIC
13 Maximum Surface temperature
14 Equipment Protection Level (EPL), "equipment for explosive dust atmospheres"
c
e
d
f
d
b
c
a
b
c
NDP
-
25
G
15
AD
-
40
DP / NDP / AD / G
P: Centre body PP / H: Mechanical switching / No mark: Standard
B: Ball / F (NDP-5, 15): Flat / F (NDP-50): Flapper
0: Rc / 1: NPT
0: Rc / 1: NPT
4
5
6
7
G
Ex h
G /
2
D
Ex h
e
c,g
e
e
b
h
c,g
G Series
d
e
f
g
B
V
T
-
A
T
0
A
C
8
9
10
IIC T6/T5/T4 Gb
IIC T6/T5/T4 Gb /
d
f
d
c
e
AD Series
h
j
X
0
11
12
13
Ex h
IIIC T95°C Db
b
f
c
GB
14
GB-11
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