Jafar 4499 Manual de funcionamiento y mantenimiento - Página 5

Navegue en línea o descargue pdf Manual de funcionamiento y mantenimiento para Unidad de control Jafar 4499. Jafar 4499 10 páginas. Return butterfly valves double eccentric

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Set the disc optimally during the subsequent trials. If it is ineffective, replace the pivots (item 4), as they can get
deformed.
Connections are tailored for the flange-to-flange type of assembly acc. to PN-EN 1092-2: 1999 with
dimensions suitable for adopted nominal pressures.
Nominal pressure values PN:
. Configuration of installation DN250-800, dimensions and weight acc. to Fig. 2 and table 3.
Flow direction
For DN 250, 800 – α=75°,
Tab. 3
Outer dimensions
Dnom
B
C
mm
250
250
150
300
300
135
350
350
260
400
400
248
500
500
275
600
600
460
700
800
600
800
900
700
-0.6 MPa
-1.0 MPa
-1.6 MPa
for DN 300-600 – α= 78°
Weight of the butterfly valve with its counterweight
C
E
I
4499
160
170
36
168
166
48
260
260
61
310
310
89
338
380
143
368
460
232
550
600
350
550
650
480
OPERATION AND MAINTENANCE MANUAL
II
4499-3
4499
4499-3
38.4
36.5
38.9
54.5
49.0
55.4
69.0
61.0
69.7
102
90.0
102
161
143
161
264
238
271
380
350
380
530
480
530
Fig. 3
III
4499
4499-3
40.5
42.9
55.0
61.1
66.0
74.8
97.0
109
150
168
248
280
360
410
500
550
01-2016
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