|
Body size（mm）
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
|||
|
Rated flow coefficient (Kv)
|
3.2
|
5
|
8
|
12.5
|
20
|
32
|
50
|
80
|
125
|
160
|
320
|
450
|
630
|
|||
|
Max flow within the Effective pressure（m³/h）
|
0.02MPa
|
1.5
|
2.5
|
3.5
|
5.5
|
9.0
|
14
|
22
|
36
|
55
|
70
|
140
|
200
|
280
|
||
|
0.05MPa
|
2.5
|
3.5
|
5.5
|
9.0
|
12
|
22
|
36
|
55
|
85
|
110
|
220
|
320
|
450
|
|||
|
PN16 max differential pressure
△P（MPa）
|
1.6
|
1.6
|
1.6
|
1.6
|
1.6
|
1.6
|
1.6
|
1.6
|
1.5
|
1.5
|
1.2
|
1.0
|
1.0
|
|||
|
PN40 max differential pressure
△P（MPa）
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
2.0
|
1.5
|
1.5
|
1.2
|
1.0
|
1.0
|
|||
|
Max operating temperature
|
liquid：≤140℃； gas：≤80℃
|
|||||||||||||||
|
seal pot：≤200℃
|
||||||||||||||||
|
Seat leakage
|
4×10-4×the rating capability of valve
|
|||||||||||||||
|
Test
|
10 blisters /min
|
20 blisters/min
|
40 blisters/min
|
|||||||||||||
|
Pressure balance element
|
Bellow type
|
Rolling Diaphragm
|
||||||||||||||
|
Nominal pressure
|
PN16（1.6MPa） PN40（4.0MPa）
|
|||||||||||||||
|
Body material
|
Cast steel
|
|||||||||||||||
|
Plug material
|
stainless steel，soft seat: PFTE + 0Cr18Ni9
|
|||||||||||||||
|
The working pressure
|
Nominal pressure NOTICE :△P max
|
|||||||||||||||
|
Flow range m³/P
medium：Water
|
△Ps
0.02MPa
|
0.15
～2
|
0.15
～2
|
0.15
～5
|
0.15
～5
|
1.5
～12
|
1.5
～12
|
2.5
～30
|
2.5
～30
|
4～70
|
4～70
|
|
|
|
||
|
△Ps
0.05MPa
|
0.15
～3
|
0.15
～3
|
0.2
～8
|
0.2
～8
|
2～20
|
2～20
|
4～50
|
4～50
|
6～100
|
6～100
|
|
|
|
|||
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