Part name |
Part material |
The valve body valve cover Gaidi |
WCB/FCB* |
Valve seat disc |
2Cr13/304* |
Cylinder liner |
2Cr13/25(Hard chromium plating)/304* |
piston |
2Cr13/Copper alloy / copper alloy* |
Piston ring |
Alloy cast iron / polystyrene* |
Guide valve stem |
2Cr13/304* |
diaphragm |
1Cr18Ni9Ti |
Main valve guide valve spring |
50CrVA |
Regulating spring |
60Si2Mn |
Gasket (X/F model) |
Rubber / PTFE |
Guide valve cover |
25/304* |
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) |
0.1-1.0 |
0.1-1.6 |
0.1-2.5 |
0.5-3.5 |
0.5-3.5 |
0.5-4.5 |
Pressure characteristic deviation(Mpa)△P2P |
GB12246-1989 |
|||||
Flow characteristic deviation(Mpa)P2G |
GB12246-1989 |
|||||
difference(Mpa) |
0.15 |
0.15 |
0.2 |
0.4 |
0.8 |
1.0 |
Seepage quantity |
X/F(PTFE / rubber):O Y (seal):GB12245-1989 |
(PN1.6-4.0)Company:mm
Nominal diameter DN |
Outline dimension |
|||
L |
H |
Hl |
||
1.6/2.5MPa |
4.0MPa |
|||
15 |
160 |
180 |
290 |
90 |
20 |
160 |
180 |
300 |
98 |
25 |
180 |
200 |
300 |
110 |
32 |
200 |
220 |
300 |
110 |
40 |
220 |
240 |
320 |
125 |
50 |
250 |
270 |
320 |
125 |
65 |
280 |
300 |
325 |
130 |
80 |
310 |
330 |
365 |
160 |
100 |
350 |
380 |
365 |
170 |
125 |
400 |
450 |
475 |
200 |
150 |
450 |
500 |
475 |
210 |
200 |
500 |
550 |
515 |
240 |
250 |
650 |
560 |
290 |
|
300 |
800 |
705 |
335 |
|
350 |
850 |
745 |
375 |
|
400 |
900 |
780 |
405 |
|
450 |
900 |
730 |
455 |
|
500 |
950 |
835 |
465 |
(PN6.4-16.0) Company:mm
Nominal diameter DN |
Outline dimension |
|||
L |
H |
Hl |
||
6.4MPa |
10.0/16.0MPa |
|||
15 |
180 |
180 |
300 |
100 |
20 |
180 |
200 |
310 |
105 |
25 |
200 |
220 |
31 |
120 |
32 |
220 |
230 |
310 |
120 |
40 |
240 |
240 |
335 |
135 |
50 |
270 |
300 |
335 |
135 |
65 |
300 |
340 |
340 |
140 |
80 |
330 |
360 |
380 |
170 |
100 |
380 |
380 |
185 |
|
125 |
450 |
490 |
215 |
|
150 |
500 |
490 |
225 |
|
200 |
550 |
535 |
260 |
|
250 |
650 |
580 |
310 |
|
300 |
800 |
725 |
355 |
|
350 |
850 |
765 |
395 |
|
400 |
900 |
800 |
435 |
|
500 |
950 |
- |
855 |
495 |
Address:Shanghai Market Road 3360
Switchboard:021-66516999
Phone Sales:021-51619868 / 021-66518677
Post:200436
E-mail : [email protected]
Al