Part name |
零件材料 |
The valve body valve cover Gaidi |
WCB |
Valve seat valve |
2Cr13 |
Cylinder piston |
Aluminum iron bronze |
diaphragm |
1Cr18Ni9 |
Piston ring |
Alloy cast iron / polystyrene |
Guide valve stem |
2Cr13 |
Main valve spring |
50CrVA |
Pilot valve main spring |
50CrVA |
Regulating spring |
60Si2Mn |
Nominal pressure(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
Shell test pressure(Mpa)* |
2.4 |
3.75 |
6.0 |
9.6 |
15.0 |
24 |
Seal test pressure(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
inlet pressure(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
Outlet pressure range(Mpa) |
0.04-1.0 |
0.05-1.6 |
0.08-2.5 |
0.2-3.5 |
0.5-3.5 |
0.5-4.5 |
Pressure characteristic deviation(Mpa)△P2P |
GB12246-1989 |
|||||
Flow characteristic deviation(Mpa)P2G |
GB12246-1989 |
|||||
difference(Mpa) |
0.07 |
0.1 |
0.15 |
0.4 |
0.5 |
0.8 |
Seepage quantity |
GB12245-1989 |
Nominal diameter DN |
Outline dimension |
|||
L |
H |
Hl |
||
1.6/2.5MPa |
4.0MPa |
|||
15 |
160 |
180 |
265 |
85 |
20 |
160 |
180 |
265 |
85 |
25 |
180 |
200 |
280 |
95 |
32 |
200 |
220 |
280 |
95 |
40 |
220 |
240 |
290 |
105 |
50 |
250 |
270 |
300 |
130 |
65 |
280 |
300 |
315 |
145 |
80 |
310 |
330 |
330 |
170 |
100 |
350 |
380 |
405 |
200 |
125 |
400 |
450 |
450 |
225 |
150 |
450 |
500 |
485 |
265 |
200 |
500 |
550 |
570 |
290 |
250 |
650 |
640 |
325 |
|
300 |
800 |
740 |
360 |
|
350 |
850 |
810 |
395 |
|
400 |
900 |
950 |
430 |
|
500 |
950 |
1080 |
500 |
(PN6.4-16.0) Company:mm:
Nominal diameter DN |
Outline dimension |
|||
L |
H |
Hl |
||
6.4MPa |
10.0/16.0MPa |
|||
15 |
180 |
180 |
280 |
100 |
20 |
180 |
200 |
280 |
100 |
25 |
200 |
220 |
300 |
115 |
32 |
220 |
230 |
300 |
115 |
40 |
240 |
240 |
315 |
130 |
50 |
270 |
300 |
340 |
135 |
65 |
300 |
340 |
355 |
150 |
80 |
330 |
360 |
370 |
175 |
100 |
380 |
450 |
205 |
|
125 |
450 |
510 |
235 |
|
150 |
500 |
555 |
275 |
|
200 |
550 |
640 |
300 |
|
250 |
650 |
720 |
335 |
|
300 |
800 |
830 |
375 |
|
350 |
850 |
880 |
410 |
|
400 |
900 |
1020 |
445 |
|
500 |
950 |
- |
1080 |
515 |
Address:Shanghai Market Road 3360
Switchboard:021-66516999
Phone Sales:021-51619868 / 021-66518677
Post:200436
E-mail : [email protected]
Al