公稱(chēng)壓力
PN |
試驗(yàn)壓力
PS |
進(jìn)口壓力
P1 |
出口壓力
P2 |
最小壓差
△P |
背壓
PB |
壓力特性
△P2P1 |
流量特性
△P2G2 |
1.6 |
2.4 |
<1.6 |
0.1~1.0 |
0.2 |
≤0.15 |
P2×10% |
P2×20% |
2.5 |
3.75 |
<2.5 |
0.3~1.6 |
0.2 |
≤0.25 |
P2×10% |
P2×20% |
4.0 |
6.0 |
<4.0 |
0.3~2.5 |
0.2 |
≤0.25 |
P2×10% |
P2×20% |
6.4 |
9.6 |
<6.4 |
0.5~3.0 |
0.25 |
≤0.4 |
P2×12% |
P2×25% |
DN |
L |
H1 |
H2 | ||||||||
PN16 PN25 |
PN40 PN64 |
PN16 |
PN25 |
PN40 |
PN64 |
PN16 |
PN25 |
PN40 |
PN64 | ||
20 |
160 |
160 |
170 |
90 |
90 |
90 |
90 |
220 |
220 |
220 |
220 |
25 |
180 |
200 |
200 |
95 |
95 |
105 |
105 |
255 |
255 |
265 |
365 |
32 |
200 |
220 |
220 |
100 |
100 |
110 |
110 |
255 |
255 |
265 |
365 |
40 |
220 |
240 |
240 |
115 |
115 |
130 |
130 |
325 |
325 |
330 |
330 |
50 |
250 |
270 |
270 |
120 |
120 |
135 |
135 |
325 |
325 |
330 |
330 |
65 |
260 |
280 |
300 |
125 |
126 |
145 |
145 |
330 |
330 |
340 |
355 |
80 |
310 |
330 |
330 |
135 |
135 |
160 |
160 |
340 |
340 |
340 |
340 |
100 |
350 |
380 |
380 |
185 |
185 |
185 |
185 |
360 |
360 |
360 |
360 |
125 |
400 |
450 |
450 |
190 |
200 |
200 |
245 |
560 |
560 |
565 |
565 |
150 |
450 |
500 |
500 |
205 |
210 |
240 |
280 |
580 |
580 |
585 |
585 |
200 |
500 |
560 |
560 |
220 |
245 |
245 |
310 |
630 |
630 |
635 |
635 |
250 |
600 |
|
|
270 |
|
|
|
750 |
|
|
|
300 |
800 |
|
|
310 |
|
|
|
780 |
|
|
|
350 |
850 |
|
|
390 |
|
|
|
850 |
|
|
|
400 |
900 |
|
|
420 |
|
|
|
925 |
|
|
|