| Testing (in Mpa) |
DN |
¡Ü 300 |
DN350-400 |
Sealing |
0.77 |
0.66 |
Intensity |
1.05 |
0.9 |
|
| Max.Working Pressure(in fluid condition) |
DN |
DN40-200 |
DN250-300 |
DN350-400 |
Steam of ¡Ü 230 ¡æ |
0.5 |
0.5 |
|
Steam of ¡Ü 205 ¡æ |
Air and Gas |
Oil and Pulsation water |
0.5 |
Non-shock water of ¡Ü 120 ¡æ |
0.7 |
0.7 |
0.6 |
|
| Material of main parts |
Body,Cover |
Cast Iron |
Stem |
Brass HPb59-1 |
Seat ring , Disc and Yoke Bushing |
Cast Bronze ZCuSn5Pb5Zn5 |
|
| |
DN |
L |
H |
D0 |
D |
D1 |
b |
n-d |
50 |
100 |
235 |
160 |
130 |
105 |
16 |
4-15 |
65 |
115 |
250 |
180 |
155 |
130 |
18 |
4-15 |
80 |
130 |
257 |
180 |
180 |
145 |
18 |
4-19 |
100 |
150 |
294 |
224 |
200 |
165 |
20 |
8-19 |
125 |
170 |
314 |
250 |
235 |
200 |
20 |
8-19 |
150 |
190 |
350 |
280 |
265 |
230 |
22 |
8-19 |
200 |
220 |
392 |
315 |
320 |
280 |
24 |
8-23 |
250 |
275 |
490 |
355 |
385 |
345 |
26 |
12-23 |
300 |
310 |
585 |
400 |
430 |
390 |
28 |
12-23 |
350 |
360 |
620 |
500 |
480 |
435 |
30 |
12-25 |
400 |
395 |
715 |
630 |
540 |
495 |
30 |
16-25 |
|
