1.Material:GG25
2.Trade Term:FOB
3.Certification:ISO,CE, DQS
4.Pressure:PN16
5.Cast Iron Check Valve,Factory Price!
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Specification
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Application
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Flange dimensions :DIN2533
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Face to face : DIN3202-F1
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Testing confirm to DIN3230
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Working Temp: 100 °C
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Working Pressure: PN10 or PN16
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Suitable Media: Water,Steam,Oil ect.
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Not recommended for Steam Service.
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Caution : FREEZING WEATHER PRECAUTION - Subsequent to testing a piping system, PN10 Lift Check Valve should be left in an open position to allow complete drainage.
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Materials
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Part Name
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Materials
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Body
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ASTM A126A(B)
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GG20 GG25
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Seat Ring
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ASTM B36/B62,SS410
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Brass,Bronze
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Disc
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ASTM A126A(B)
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GG20 GG25
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Hinge Pin
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A216 WCB
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GS-C25
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Hinge
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ASTM A126A(B)
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GG20 GG25
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Nut
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A216 WCB
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GS-C25
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Bonnet
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ASTM A126A(B)
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GG20 GG25
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Split Pin
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A216 WCB
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GS-C25
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Bonnet Gasket
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Graphite
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Graphite
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Bolt
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A216 WCB
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GS-C25
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Washer
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A216 WCB
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GS-C25
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Nut
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A216 WCB
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GS-C25
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Dimensions(DIN2533 Flange drilling)
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|
|
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DN
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D
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D1
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D2
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L
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H
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b
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n
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d
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15
|
95
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65
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45
|
130
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12
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4
|
14
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|
20
|
105
|
75
|
58
|
150
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|
14
|
4
|
14
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|
25
|
115
|
85
|
68
|
160
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|
14
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4
|
14
|
|
32
|
140
|
100
|
78
|
180
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16
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4
|
18
|
|
40
|
150
|
110
|
88
|
200
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|
16
|
4
|
18
|
|
50
|
165
|
125
|
102
|
230
|
110
|
17
|
4
|
18
|
|
65
|
185
|
145
|
122
|
290
|
115
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17
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4
|
18
|
|
80
|
200
|
160
|
138
|
310
|
150
|
19
|
8
|
18
|
|
100
|
220
|
180
|
158
|
350
|
160
|
21
|
8
|
18
|
|
125
|
250
|
210
|
188
|
400
|
180
|
23
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8
|
18
|
|
150
|
285
|
240
|
212
|
480
|
205
|
23
|
8
|
23
|
|
200
|
340
|
295
|
268
|
600
|
270
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27
|
12
|
23
|
|
250
|
405
|
355
|
320
|
730
|
310
|
29
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12
|
27
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|
300
|
460
|
410
|
378
|
850
|
320
|
29
|
12
|
27
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