DIN 3356 Swing Flanged Check Valve, PN1.6, 2.5, 4.0
Key Specifications / Features
Detail Information
DIN swing flanged check valve depends on flow of medium to open or close. It is used to avoid back flow of medium
Characteristics:
1. Having compact structure, reliable sealing, beautiful modeling
2. The seal face is made of cemented carbide, having wearing resistance, corrosion resistance and long service life.
3. The stem has been tempered, having good corrosion resistance and wearing resistance.
Standards
Construction: DIN 3356
Face to face: DIN 3202
Flanged ends: DIN 2543-2546
Test & inspection: DIN 3230-75
Materials
|
NO. |
Part Name |
Material |
|
1 |
Body |
GS-C25, CF8, CF3 |
|
2 |
disc |
2CR13, F304, F316 |
|
3 |
Metal spiral wound gasket |
Asbestos + stainless steel, PTFE |
|
4 |
bonnet |
GS-C25, CF8, CF3 |
|
5 |
Hexagon nut |
ASTM A1932H, A193-8, A193-8M |
|
6 |
bolt |
ASTM A193B7, A193-B8, A193-B8M |
Specifications
|
Nominal Pressure(MPa) |
Shell Test(MPa) |
Sealing Test(MPa) |
Suitable temperature(℃) |
Suitable medium |
|
1.6 |
2.4 |
1.76 |
-20℃-350℃ |
water, steam, oil, etc. |
|
2.5 |
3.75 |
2.75 |
||
|
4.0 |
6.0 |
4.4 |
Dimensions
|
Nominal Pressure |
PN1.6 MPa |
|||||||||||||
|
Nominal Diameter DN (mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
730 |
850 |
|
H |
70 |
70 |
80 |
80 |
85 |
95 |
110 |
130 |
155 |
165 |
215 |
285 |
325 |
365 |
|
Kv |
5.7 |
7.8 |
11.8 |
17.9 |
27.9 |
48.5 |
77.6 |
109 |
168 |
251 |
389 |
664 |
1017 |
1446 |
|
Weight(kg) |
2.4 |
3.0 |
3.8 |
5.7 |
7.4 |
10.3 |
15.2 |
20.4 |
31 |
49 |
69 |
132 |
198 |
278 |
|
Nominal Pressure |
PN2.5 MPa |
|||||||||||||
|
Nominal Diameter DN (mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
730 |
850 |
|
H |
70 |
70 |
80 |
80 |
85 |
95 |
110 |
130 |
155 |
165 |
215 |
285 |
325 |
365 |
|
Kv |
5.7 |
7.8 |
11.8 |
17.9 |
27.9 |
48.5 |
77.6 |
109 |
168 |
251 |
389 |
664 |
1017 |
1446 |
|
Weight(kg) |
2.4 |
3.0 |
3.8 |
6 |
8 |
11 |
16 |
21 |
32 |
51 |
70 |
136 |
318 |
330 |
|
Nominal Pressure |
PN4.0 MPa |
|||||||||||||
|
Nominal Diameter DN (mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
730 |
850 |
|
H |
70 |
70 |
80 |
80 |
85 |
95 |
110 |
130 |
155 |
165 |
215 |
285 |
325 |
365 |
|
Kv |
5.7 |
7.8 |
11.8 |
17.9 |
27.9 |
48.5 |
77.6 |
109 |
168 |
251 |
389 |
664 |
1017 |
1446 |
|
Weight(kg) |
2.4 |
3.0 |
3.8 |
7.1 |
10.4 |
12.7 |
22.5 |
28 |
40 |
64 |
90 |
170 |
240 |
370 |
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