Outline:
The elevating check valve is suitable for, under small caliber pipeline each pressure, the temperature and the medium controls the connection or the interruption pipeline medium start-stop system; The dependence valve petal is self-possessed with the fluid differential pressure realization automatic impediment fluid flows backwards.
Performance standard :
body material
|
Nominal pressure
(MPa)
|
Working temperature (℃)
|
Suitable medium
|
carbon steel
|
1.6-6.4
|
≤425
|
water、oil、 Steam
|
10.0、16.0
|
≤450
|
/
|
stainless steel
|
P
|
1.6-16.0
|
≤200
|
nitric acid
|
R
|
/
|
/
|
acetic acid
|
Cr.Ni.Ti
heat (-resisting) steel
|
PI
|
1.6-6.4
|
≤550
|
petroleum 、 petroleum products
|
Cr.Mo steel
|
1.6-16.0
|
≤550
|
oil
|
Prime out-form dimensions :
PN
|
DN
|
Main connection size
|
mm
|
L
|
D
|
D 1
|
D 2
|
D 6
|
b
|
f
|
f 1
|
Z-φd
|
H
|
1.6MPa
|
40
|
200
|
145
|
110
|
85
|
-
|
16
|
2
|
-
|
4-18
|
95
|
50
|
230
|
160
|
125
|
100
|
-
|
16
|
2
|
-
|
4-18
|
105
|
65
|
290
|
180
|
140
|
120
|
-
|
18
|
2
|
-
|
4-18
|
120
|
80
|
310
|
195
|
165
|
135
|
-
|
20
|
3
|
-
|
8-18
|
130
|
100
|
350
|
215
|
180
|
155
|
-
|
20
|
3
|
-
|
8-18
|
140
|
125
|
400
|
245
|
210
|
185
|
-
|
22
|
3
|
-
|
8-12
|
155
|
150
|
480
|
280
|
240
|
210
|
-
|
24
|
3
|
-
|
8-23
|
180
|
200
|
600
|
335
|
295
|
265
|
-
|
26
|
3
|
-
|
12-23
|
215
|