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 & Pulsation water |
0.5 |
Non-shock water of ¡Ü 120 ¡æ |
0.7 |
0.7 |
0.7 |
|
Material of main parts |
Body and Cover |
Cast Iron |
Stem |
Brass HPb59-1 |
Disc, Seat Ring and Yoke Bushing |
Cast Bronze ZCuSn5Pb5Zn5 |
|
| |
DN |
L |
H |
D0 |
D |
D1 |
b |
n-d |
50 |
210 |
260 |
160 |
130 |
105 |
16 |
4-15 |
65 |
250 |
282 |
180 |
155 |
130 |
18 |
4-15 |
80 |
280 |
292 |
180 |
180 |
145 |
18 |
4-19 |
100 |
340 |
340 |
224 |
200 |
165 |
20 |
8-19 |
125 |
410 |
369 |
250 |
235 |
200 |
20 |
8-19 |
150 |
480 |
406 |
280 |
265 |
230 |
22 |
8-19 |
200 |
570 |
468 |
315 |
320 |
280 |
24 |
8-23 |
250 |
740 |
583 |
355 |
385 |
345 |
26 |
12-23 |
300 |
840 |
637 |
400 |
430 |
390 |
28 |
12-23 |
350 |
940 |
728 |
500 |
480 |
435 |
30 |
12-25 |
400 |
1050 |
923 |
560 |
540 |
495 |
30 |
16-25 |
|
