
3
year of manufacture
XXXX
PDA 100 WR M T 0 G
N01 ATEX
II 3 G c T4
s.r.l
CHEMICAL PUMPS
Ord. No
No
PNEUMATIC DAMPER
BRESCIA
ITALY
IDENTIFICATION CODE
PART NUMBER
MODEL
RANGE
Each damper is supplied with the serial and model abbreviation and the serial number on the rating plate, which is ri-
veted onto the support side. Check these data upon receiving the goods. Any discrepancy between the order and the
delivery must be communicated immediately.
In order to be able to trace data and information, the abbreviation, model and serial number of the pump must be quoted
in all correspondence.
Year of manufacture
____________________
Part number
_____________________
II 2/2 GD c IIB T135°C
II 3/3 GD c IIB T135°C
II 2/2GD: surface equipment for use in areas with the presence of
gases, vapors or mists in addition to clouds of combustible dust in
the air that occur occasionally during normal operation (EN 1127-
1 par. 6.3), both in external and internal areas (ZONE 1).
c: protection by constructional safety (EN 13463-5).
IIB: excluding the following products hydrogen, acetylene,
carbon disulphide.
T135°C: class of admitted temperatures. The processed fluid
temperature value must fall within such class range and the user
must comply with the instructions contained in the manual and
with the current laws. Furthermore, the user must take into ac-
count the ignition point of the gases, vapors and mists in addition
to clouds of combustible powder in the air existing in the area of
use.
II 3/3GD: surface equipment used in areas where the presence of
gas, vapors or mists in addition to clouds of combustible powder
in the air is unlikely during normal operation both in external and
internal areas and, if it does occur, it will only persist for a short
period (ZONE 2).
c: protection by constructional safety (EN 13463-5).
IIB: excluding the following products hydrogen, acetylene,
carbon disulphide.
T135°C: class of admitted temperatures. The processed fluid
temperature value must fall within such class range and the user
must comply with the instructions contained in the manual and
with the current laws. Furthermore, the user must take into ac-
count the ignition point of the gases, vapors and mists in addition
to clouds of combustible powder in the air existing in the area of
use.
range
model
materials
connection
chambers
ATEX
diaphragm
o-ring
tipe
PDA
□
75
(3/4”)
□
WR
GFR-PP
□ X
□ H
keyflex
®
□ N
(NBR)
□ G
filetto BSP
□
100
(1”)
□
FC
CF+PVDF
□ X
□ M
santoprene
®
□ V
(FKM)
□
150
(1 1/2”)
□
DF
PVDF
□ D
EPDM
□ E
(EPDM)
□
200
(2”)
□
AL
alluminio
□ X
□ N
NBR
□ T
(PTFE)
□
SS
AISI 316
□ X
□ U
poliuretano
□ 0
(no o-ring)
□
SP
polished AISI 316
□ X
□ HT
Keyflex
®
+ PTFE
□ MT
santoprene
®
+ PTFE
□ T
PTFE