Conventional pressure: РN160 [16,0 МПа (160 kgf/cm2)].
Rod seal – gland seal.
Connection to the pipeline – flanged. Connecting dimensions according to GOST 12815-80 performance 3. Return (mounting) flanges – according to GOST 12821-80, performance 2.
Body:
– straightway (ПОУ 8Р);
– angular (ПОУ 11Р).
The admissible leakage in the closure, in % of the conventional discharge capacity:
– £ 0,001 % (IV 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 8Р и ПОУ 11Р:
|
Code Кvу |
001 |
002 |
003 |
01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
10 |
11 |
|
|
Кvу, m3/h |
0,006 |
0,016 |
0,04 |
0,10 |
0,16 |
0,25 |
0,40 |
0,63 |
1,00 |
1,60 |
2,50 |
4,00 |
6,30 |
10,0 |
|
|
Port area |
DN15 (code 1) |
Л |
Л |
Л |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
Л,Р |
|
|
|
|
DN20 (code 2) |
|
|
|
Л,Р |
Л,Р |
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 |
Л,Р |
|
The admissible differential pressure of the valves (DР), calculated under the condition, that the pressure after the valve is equal to zero:
|
Port area |
Sу, mm |
Кvу, m3/h |
Flow direction |
|||
|
“Under closure” (channel opening) |
“On closure” (channel closing) |
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|
Action type |
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|
“NC” |
“NO” |
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|
Kitting with MEM |
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|
without a positioner |
with a positioner |
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|
Admissible differential pressure, DР, MPa |
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|
DN 15; DN 20 |
10 |
0,1; 0,16 |
16,0 |
16,0 |
16,0 |
11,6 |
|
0,25; 0,4 |
12,7 |
16,0 |
||||
|
0,63; 1,0 |
6,5 |
9,7 |
||||
|
1,6 |
3,9 |
5,9 |
||||
|
2,5 |
3,2 |
4,8 |
||||
|
DN 20 |
4,0 |
2,2 |
3,3 |
8,0 |
||
|
6,3 |
1,5 |
2,2 |
6,0 |
|||
|
DN 25 |
16 |
2,5 |
3,2 |
4,8 |
16,0 |
|
|
4,0 |
2,2 |
3,3 |
8,0 |
|||
|
6,3 |
1,5 |
2,2 |
6,0 |
|||
|
10,0 |
0,8 |
1,7 |
4,0 |
|||
|
* Under the condition of the preliminary tension of the MEM spring, by which the move starting of the closure plunger appears by the input signal of 0,04 MPa. |
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