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Product Details
Lift Check Valve
| Packing: | Wooden |
|---|---|
| Standard: | Dn15~Dn400 |
| Productivity: | 50, 000 PCS/Year |
| Trademark: | DEF |
| Origin: | China |
| Function: | Nrvr Silence |
| Material: | Cast Steel |
| Structure: | Lift |
| Connection Form: | Flange |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Product Description
DIN Check valve are used in various industries such as petroleum, water, steam industry etc under nominal pressure of PN1.6~PN4.0Mpa and working temperature of -20~450 degrees.
| NO. | Part name | Material |
| 1 | Body | GS-C25,CF8,CF3 |
| 2 | Disc | 1Cr13,F304,F316 |
| 3 | Composite Washer | Flexible graphite+304 Flexible graphite+304,PTFE |
| 4 | Cover | GS-C25,CF8,CF3 |
| 5 | Nut | ASTMA193 7,A193-8,A193-8M |
| 6 | Double-headed Bolt | ASTMA193 B7,A193-B8,A193-B8M |
TECHNICAL SPECIFICASTION
| Design standard | DIN3356 |
| Face to face | DIN3202 |
| Flange ends | DIN2543-2546 |
| Test & inspection |
DIN3230-75 |
PRODUCTS PERFORMANCE SPECIFICATION
| Nominal pressure(LB) | Shell test (Mpa) | Sealing test (Mpa) | Suitable temp 50,000 pcs/year | Suitable medium |
| 1.6 | 2.4 | 1.76 | -20~425degrees | Water, Steam, oil |
| 2.5 | 3.75 | 2.75 | ||
| 4.0 | 6.0 | 4.4 |
|
Pressure |
PN16 |
|||||||||||||
|
SIZE |
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 |
2.4 |
3.0 |
3.8 |
5.7 |
7.4 |
10.3 |
15.2 |
20.4 |
31 |
49 |
69 |
132 |
198 |
278 |
|
Pressure |
PN16 |
|||||||||||||
|
SIZE |
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 |
2.4 |
3.0 |
3.8 |
6 |
8 |
11 |
16 |
21 |
32 |
51 |
70 |
136 |
318 |
330 |
|
Pressure |
PN16 |
|||||||||||||
|
SIZE |
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 |
|
|
2.4 |
3.0 |
3.8 |
7.1 |
10.4 |
12.7 |
22.5 |
28 |
40 |
64 |
90 |
170 |
240 |
370 |
