Part name |
Part material |
The valve body valve cover Gaidi |
WCB |
Valve seat disc |
2Cr13 |
Cylinder liner |
2Cr13/25(Hard chromium plating) |
piston |
2Cr13/Copper alloy |
Piston ring |
alloy cast iron |
Guide valve stem |
2Cr13 |
diaphragm |
1Cr18Ni9Ti |
Main valve spring |
50CrVA |
Pilot valve main spring |
50CrVA |
Regulating spring |
60Si2Mn |
Nominal pressure(Mpa) |
1.6 |
2.5 |
Shell test pressure(Mpa)* |
2.4 |
3.75 |
Seal test pressure(Mpa) |
1.6 |
2.5 |
pressure(Mpa) |
1.6 |
2.5 |
Outlet pressure range(Mpa) |
0.1-1.0 |
0.1-1.6 |
Pressure characteristic deviation(Mpa)△P2P |
GB12246-1989 |
|
Flow characteristic deviation(Mpa)△P2G |
GB12246-1989 |
|
difference |
0.15 |
0.15 |
Seepage quantity |
GB12245-1989 |
DN |
15 |
20 |
25 |
32 |
40 |
50 |
Cv |
1 |
2.5 |
4 |
6.5 |
9 |
16 |
Nominal diameter DN |
G |
L |
H |
Hl |
15 |
1/2" |
140 |
295 |
90 |
20 |
3-4" |
140 |
330 |
98 |
25 |
1" |
160 |
330 |
110 |
32 |
1-1/4" |
180 |
330 |
110 |
40 |
1-1/4" |
200 |
345 |
125 |
50 |
2" |
230 |
345 |
125 |
Address:Shanghai Market Road 3360
Switchboard:021-66516999
Phone Sales:021-51619868 / 021-66518677
Post:200436
E-mail : [email protected]
Al