PRODUCTS
SHOW
H44H/W swing check valve is designed and manufactured in strict accordance with GB12236 standard. The connection between the pin shaft and the disc adopts the built-in structure, which has excellent performance and more reliable sealing. The products are widely used in pipelines of various working conditions such as petroleum, chemical, pharmaceutical, and electric power industries.
Standard：
|
Design and manufacture |
Structure length |
Pressure-temperature rating |
Connecting flange |
Test and inspection |
|
GB12236 |
GB12221 |
GB9131
|
JB/T74-94
|
JB/T9092-1999
|
Pressure testing：
|
PN(MPa) |
PS(MPa) |
Suitable temperature (℃) |
Suitable medium |
||||
|
Strength test |
Seal test |
WCB |
Cr5Mo |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
||
|
1.6 |
2.4 |
1.8 |
≤425 |
≤550 |
≤220 |
≤200 |
Water, oil, steam, acid medium |
|
2.5 |
3.8 |
2.8 |
|||||
|
4.0 |
6.0 |
4.4 |
|||||
|
6.4 |
9.6 |
7.1 |
|||||
|
10.0 |
15.0 |
11.0 |
- |
||||
|
16.0 |
24.0 |
17.6 |
|||||
|
25.0 |
37.5 |
27.5 |
|||||
Material and performance：
|
Name of Parts |
Material number |
|||
|
Body |
WCB |
ZGCr5Mo |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Bonnet |
WCB |
ZGCr5Mo |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Disc |
WCB |
ZGCr5Mo |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Stem |
WCB |
ZGCr5Mo |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
Seat |
25 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
Pin |
1Cr17Ni2 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
|
Seal Ring |
Metal Jacketed Gasket |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
Dimensions:
|
PN(MPa) |
DN(mm) |
Dimensions(mm) |
Weight
|
|||||||
|
L |
D |
D1 |
D2 |
b-f |
z-d |
D3 |
H |
|||
|
1.6 |
25 |
160 |
115 |
85 |
65 |
16-2 |
4--14 |
140 |
130 |
14 |
|
32 |
180 |
135 |
100 |
78 |
16-2 |
4--18 |
150 |
140 |
16 |
|
|
40 |
200 |
145 |
110 |
85 |
16-2 |
4--18 |
160 |
150 |
18 |
|
|
50 |
230 |
160 |
125 |
100 |
16-2 |
4--18 |
185 |
160 |
22 |
|
|
65 |
290 |
180 |
145 |
120 |
18-3 |
4--18 |
215 |
177 |
26 |
|
|
80 |
310 |
195 |
160 |
135 |
20-3 |
8-18 |
235 |
187 |
33 |
|
|
100 |
350 |
215 |
180 |
155 |
20-3 |
8-18 |
255 |
202 |
39 |
|
|
125 |
400 |
245 |
210 |
185 |
22-3 |
8-18 |
285 |
227 |
57 |
|
|
150 |
480 |
280 |
240 |
210 |
24--3 |
8-23 |
330 |
263 |
80 |
|
|
200 |
550 |
335 |
295 |
265 |
26-3 |
12-23 |
385 |
293 |
95 |
|
|
250 |
650 |
405 |
355 |
320 |
30-3 |
12-25 |
455 |
330 |
175 |
|
|
300 |
750 |
460 |
410 |
375 |
30-4 |
12-25 |
515 |
382 |
260 |
|
|
350 |
850 |
520 |
470 |
435 |
34--3 |
16-25 |
545 |
430 |
360 |
|
|
400 |
950 |
580 |
525 |
485 |
36-4 |
16-30 |
600 |
480 |
496 |
|
|
500 |
1150 |
705 |
650 |
608 |
44--4 |
20-34 |
730 |
560 |
588 |
|
