Conventional pressure: РN63 [6,3 MPa (63 kgf/cm2)].
Rod seal – gland seal.
Connection to the pipeline – flanged. Connecting dimensions according to GOST 12815-80 performance 5. Return (mounting) flanges – according to GOST 12821-80 performance 4.
Body: angular.
The admissible leakage in the closure, in % of the conventional discharge capacity:
– £ 0,05 % (III leak-proofness grade in the closure according to GOST 23866-87).
Correlation of code Кvу (conventional discharge capacity of the valve) and the port area of the valves type ПОУ 21М:
|
Code Кvу |
01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
10 |
|
|
Кvу, m3/h |
0,10 |
0,16 |
0,25 |
0,40 |
0,63 |
1,00 |
1,60 |
2,50 |
4,00 |
6,30 |
|
|
Port area |
DN15 (code 1) |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
|
|
|
DN25 (code 3) |
|
|
|
|
|
|
|
Л,Р |
Л,Р |
Л,Р |
|
Correlation of code Кvу (conventional discharge capacity of the valve) and the port area of the valves type ПОУ 22М:
|
Code Кvу |
11 |
12 |
13 |
14 |
15 |
16 |
|
|
Кvу, m3/h |
10,0 |
16,0 |
25,0 |
40,0 |
63,0 |
100,0 |
|
|
Port area |
DN50 (code 4) |
Л,Р |
Л,Р |
Л,Р |
|
|
|
|
DN80 (code 5) |
|
|
Л,Р |
Л,Р |
Л,Р |
|
|
|
DN100 (code 6) |
|
|
|
Л,Р |
Л,Р |
Л,Р |
|
The admissible differential pressure of the valves (DР), calculated under the condition, that the pressure after the valve is equal to zero:
|
Valve type |
Port area |
Sу, mm |
Кvу, m3/h |
“On closure” (channel closing) |
|
|
Action type |
|||||
|
“NC” |
“NO” |
||||
|
Admissible differential pressure, DР, MPa |
|||||
|
ПОУ 21М |
DN 15 |
10 |
0,1; 0,16; 0,25; 0,4; 0,63; 1,0 |
5,0* |
6,3 |
|
1,6 |
6,3 |
||||
|
2,5 |
|||||
|
DN 25 |
16 |
2,5 |
|||
|
4,0 |
|||||
|
6,3 |
|||||
|
ПОУ 22М |
DN 50 |
25 |
10,0 |
6,3 |
6,3 |
|
16,0 |
4,0 |
4,0 |
|||
|
25,0 |
2,5 |
2,5 |
|||
|
DN 80 |
25,0 |
2,5 |
2,5 |
||
|
40,0 |
1,6 |
1,6 |
|||
|
63,0 |
1,2 |
1,2 |
|||
|
DN 100 |
40 |
40,0 |
2,5 |
2,5 |
|
|
63,0 |
2,0 |
2,0 |
|||
|
100,0 |
1,6 |
1,6 |
|||