H42 H / Y/W-16, 25, 40 vertical check valve
1, uses and characteristics
The product is designed and manufactured strictly according to GB12235 standard, the valve flap positioning for lifting movement along the center, bush with good wear resistance, friction coefficient of special materials, flexible and reliable action. Good sealing performance. The products are widely used in petroleum, chemical, pharmaceutical, power industry and other conditions of the pipeline.
Second, the main performance specifications
|
Test pressure
|
Nominal pressure( MPa )
|
|
1.6
|
2.5
|
4.0
|
|
Shell Test
|
2.4
|
3.8
|
6.0
|
|
Seal test
|
1.8
|
2.8
|
4.4
|
|
Body material
|
WCB(C)
|
CF8(P)
|
CF 8M (R)
|
WC6
|
WC9
|
|
Operating Temperature
|
≤ 425
|
≤ 100
|
≤ 100
|
≤ 550
|
≤ 550
|
|
For media
|
Water, steam, oil
|
Nitric acid
|
Acetic acid
|
Water, steam
|
Water, steam
|
Third, the implementation of standards
Design and Manufacture: GB12235
Structure length: GB12221
Flange: JB/T79-1994
Test and inspection: JB/T9092-1999
4, the main connection size
|
Nominal Path
|
PN1.6/2.5/4.0MPa
|
|
H
|
|
Type 1
|
Type 2s
|
|
DN32
|
145
|
110
|
|
DN40
|
155
|
120
|
|
DN50
|
170
|
140
|
|
DN65
|
180
|
160
|
|
DN80
|
200
|
185
|
|
DN100
|
220
|
210
|
|
DN125
|
250
|
275
|
|
DN150
|
280
|
300
|
|
DN200
|
380
|
380
|
|
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