the drawing of ZZYVP nitrogen pressure regulators va
1.main valve.
2.valve core
3.actuator
4.throttle valve
5.pressure reducing valve
6. pilot valve core
7.testing institution
8.preset spring
9.pilot valve
the paremeter list of ZZYVP
| nominal diameter DN(mm) |
20 |
25 |
40 |
50 |
80 |
100 |
150 |
| valve seat diameter DN(mm) |
6 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
| rated flow coefficient(KV) |
3.2 |
5 |
8 |
10 |
20 |
32 |
50 |
80 |
100 |
160 |
250 |
400 |
| pressure adjustment range Kpa |
0.5~70 20~120 60~400 300~700 500~1000 |
| nominal pressurePN(Mpa) |
1.0 1.6 |
| Temperature of dielectric (°C) |
80 200 |
| flow characteristic |
on |
| regulation precision (percent ) |
≤5 |
| permissible pressure (Mpa) |
1.6 |
1.6 |
1.1 |
0.6 |
0.4 |
| actuator effective area (square centimeter) |
200 |
280 |
400 |
| allowance leakage |
accord with ANSIB16.104-1976 level VI |
