Cast Iron Concealed Stem Flange Gate Valve
Cast iron concealed stem flange gate valve
Ductile iron flange gate valve, cast iron flange gate valve
Transmission mode: manual, electric, gear transmission
`1. Technical parameters:
|
Nominal pressure MPa |
test pressureMPa |
Operating temperature | media | |
| seal | strength | |||
|
1.0--1.6 |
1.1--1.76 |
1.5--2.4 |
≤200℃ |
Water, steam, oil, gas |
2.,parts materail：
| Valve body, valve cover, gate | gate |
seal |
Stem nut |
valve rod |
filler |
| Gray cast iron, cast steel | Carbon steel + alloy steel |
steel,alloy steel |
bronze | Carbon steel, stainless steel | Oil impregnated asbestos packing |
| grey cast iron | grey cast iron | brass | carbon steel | ||
| grey cast iron |
grey cast iron+brass |
brass | carbon steel, brass |
3.,size/weight：
|
DN DN |
size /mm |
weight/ kg |
|||||||
|
L |
D |
D1 |
D2 |
b |
Z-d |
H |
D0 |
||
|
50 |
180 |
160 |
125 |
100 |
20 |
4-18 |
345 |
180 |
17 |
|
65 |
195 |
180 |
145 |
120 |
20 |
4-18 |
376 |
180 |
20 |
|
80 |
210 |
195 |
160 |
135 |
22 |
4-18 |
417 |
200 |
27 |
|
100 |
230 |
215 |
180 |
155 |
22 |
8-18 |
460 |
200 |
50 |
|
125 |
255 |
245 |
210 |
185 |
24 |
8-18 |
525 |
240 |
70 |
|
150 |
280 |
280 |
240 |
210 |
24 |
8-23 |
567 |
240 |
95 |
|
200 |
330 |
335 |
295 |
265 |
26 |
8-23 |
705 |
320 |
150 |
|
250 |
380 |
390 |
350 |
320 |
28 |
12-23 |
800 |
320 |
200 |
|
300 |
420 |
440 |
400 |
368 |
28 |
12-23 |
886 |
400 |
280 |
|
350 |
450 |
500 |
460 |
428 |
30 |
16-23 |
968 |
400 |
360 |
|
400 |
480 |
565 |
515 |
482 |
32 |
16-25 |
1090 |
500 |
500 |
|
450 |
510 |
615 |
565 |
538 |
32 |
20-25 |
1175 |
500 |
590 |
|
500 |
540 |
670 |
620 |
585 |
34 |
20-25 |
1414 |
720 |
680 |
|
600 |
600 |
780 |
725 |
685 |
36 |
20-30 |
1593 |
720 |
951 |
|
700 |
660 |
895 |
840 |
800 |
40 |
24-30 |
1812 |
800 |
1950 |
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