Application situation
Hot professions and so on oil system, power plant. steam system, hot water system, thermal power plant, natural gas supply system, water circulating system, freezing system.
Apply the standard
Construction length standard: The series of DIN3202-F1; Method Flange stand: DIN2531-2545; The Shell strength enperiment:1.5×PN
Department such as the cover the demand line up the dirty specification as follows
|
DN15-20
|
M10×1.5
|
|
DN25-32
|
M16×1.5
|
|
DN40-80
|
M27×1.5
|
|
DN100-150
|
M33×1.5
|
|
DN200-300
|
M48×2
|
|
DN350
|
M60×2
|
|
Filtrate Net spec
|
|
Water
|
20-40MESH
|
|
Spirit
|
40-100MESH
|
|
Oil
|
10-160MESH
|
|
Material
|
|
Parts name
|
Carbon steel
|
Stainless steel
|
|
Body
|
GS-C25、WCB
|
Austenitic stainless steel
|
|
Bonnet
|
GS-C25、WCB
|
Austenitic stainless steel
|
|
Net
|
SS304
|
Austenitic stainless steel
|
|
Bolt
|
B7
|
1Cr18Ni9Ti
|
|
Nut
|
2H
|
1Cr18Ni9Ti
|
|
Seal competent Mat slice
|
Flexible graphite+SS304
|
Flexible graphite+SS304
|
Worth form in size、weight、Kv in features
|
Nominal Size
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
500
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
If has the need, may make goes nonstop to-like the valve chest
|
|
H
|
85
|
95
|
110
|
125
|
145
|
155
|
175
|
210
|
230
|
270
|
300
|
385
|
535
|
680
|
|
Weight
|
PN16
|
3.0
|
4.0
|
5.0
|
7.0
|
9.0
|
12.0
|
16.0
|
21.0
|
30.0
|
43.0
|
61.0
|
121.0
|
154.0
|
255.0
|
|
PN25
|
3.5
|
4.0
|
5.5
|
7.0
|
9.0
|
12.0
|
16.0
|
21.0
|
32.0
|
47.0
|
64.0
|
144.0
|
178.0
|
285.0
|
|
PN40
|
4.0
|
5.0
|
6.0
|
8.0
|
10.0
|
13.0
|
19.0
|
24.5
|
35.0
|
51.0
|
71.0
|
144.0
|
178.0
|
285.0
|
|
Kv
|
7
|
11
|
18
|
26
|
37
|
60
|
100
|
150
|
230
|
330
|
400
|
650
|
1200
|
1900
|