Testing (in Mpa) |
DN |
¡Ü 200 |
DN250-300 |
Sealing |
0.77 |
0.66 |
Intensity |
1.05 |
0.9 |
|
Max.Working Pressure (in fluid condition) |
DN |
¡Ü 200 |
DN250-300 |
Steam of ¡Ü 230 ¡æ |
1.0 |
0.5 |
Steam of ¡Ü 205 ¡æ |
Air and Gas |
Oil and Pulsation water |
Non-shock water of ¡Ü 120 ¡æ |
1.4 |
1.0 |
|
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 |
220 |
272 |
160 |
155 |
120 |
20 |
4-19 |
65 |
270 |
288 |
200 |
175 |
140 |
22 |
4-19 |
80 |
300 |
300 |
200 |
185 |
150 |
22 |
8-19 |
100 |
350 |
340 |
250 |
210 |
175 |
24 |
8-19 |
125 |
420 |
384 |
280 |
250 |
210 |
24 |
8-23 |
150 |
490 |
430 |
315 |
280 |
240 |
26 |
8-23 |
200 |
570 |
494 |
355 |
330 |
290 |
26 |
12-23 |
250 |
740 |
630 |
450 |
400 |
355 |
30 |
12-25 |
300 |
840 |
698 |
500 |
445 |
400 |
32 |
16-25 |
|
