Butterfly valve
Name：Butterfly valve
Details
Design standard：EN 593
Flange：API609.
Face to face dimensions：EN 1092 / ANSI B16.1
Testing standard：API598.
Working temperature：NBR≤80℃ EPDN≤120℃ VITON≤160℃
Technical characteristics：
|
Nominal pressure
|
1.6MPa
|
|
|
Testing
|
Strength testing
|
2.4MPa
|
|
Functional testing
|
1.76MPa
|
|
|
Duration
|
DN50--DN150
|
60S
|
|
DN200--DN300
|
120S
|
|
SIZE：
|
SIZE
INCH
|
H
|
H1
|
H2
|
L
|
φ
|
φ1
|
φ2
|
|
DN50
|
240
|
139
|
25
|
43
|
52.7
|
125
|
121
|
|
DN65
|
260
|
152
|
25
|
46
|
64.2
|
145
|
140
|
|
DN80
|
284
|
158
|
25
|
46
|
79.54
|
160
|
152.5
|
|
DN100
|
320
|
177
|
25
|
52
|
104.4
|
180
|
190.5
|
|
DN125
|
347
|
191
|
32
|
56
|
123.54
|
210
|
215.9
|
|
DN150
|
370
|
203
|
32
|
56
|
155.6
|
240
|
241.3
|
|
DN200
|
480
|
260
|
40
|
60
|
202.4
|
295
|
298.5
|
|
DN250
|
540
|
292
|
40
|
68
|
250.5
|
355
|
362
|
|
DN300
|
624
|
337
|
40
|
78
|
301.5
|
410
|
432
|
Main components and their materials：
|
NO.
|
NAME
|
Material
|
|
1
|
BODY
|
Cast iron,Ductile iron
|
|
2
|
DISC
|
Ductile,CF8M,Aluminum Bronze
|
|
3
|
SEAT
|
EPDM,NBR,VITON
|
|
4
|
STEM
|
SS410
|
|
5
|
O-Ring
|
NBR
|