Brass seat GGG40 swing check valve sewerage pipeline
Valve Type: |
Swing check valve |
Structure: |
Swing type |
Standard: |
API609 |
Workmanship: |
Investment casting |
Sealing direction: |
Single-directional |
Sealing grade: |
Zero leakage |
Temperature: |
-20°C<T<120°C |
Operation: |
Self-starting |
Characteristics
This swing check valve is cast from GGG50 ductile iron with epoxy anti-corrosion coating. It adopts brass metal sealing surface, featuring wear resistance and temperature resistance without aging trouble. The swing disc brings large flow passage and low pressure loss, mitigating water hammer. It automatically prevents medium backflow, widely used in hot water, water supply, boiler and HVAC pipeline systems.

Advantages
1.The ductile iron body of swing type NRV with high toughness and impact resistance, epoxy coating anti-rust, stable pressure bearing for long service.
2.The brass metal seal of swing valve is wear-resistant and temperature-resistant without rubber aging, suitable for hot water pipelines, not easy to be scratched by tiny impurities
3.Swing disc provides large flow area and low flow resistance, gentle opening and closing to relieve water hammer and protect pipeline equipment.
Packing
Standard export wooden case packaging

Application Scenarios
This valve check swing type is widely used in thermal hot water circulation pipelines, municipal water mains, boiler feed water, HVAC heat exchange systems, fire water supply and industrial clean water pipelines.



Material
|
Product Type |
Part name |
|||
|
Valve body,valve bonnet |
Valve disc, valve seat |
Gasket |
Fastener |
|
|
H44HY |
WCB/25 |
H:25+ |
|
High quality carbon steel |
|
H44Y |
|
|
Alloy steel |
|
|
H44W |
Chrome-nickel titanium,chromium-nickel-molybdenum and titanium stainless steel |
Stainless steel |
||
|
H44W |
||||
Dimension

|
PN |
DN |
L |
H |
D |
D1 |
D2 |
D6 |
b |
f |
f2 |
Z- ϕ d |
|
1.6
|
50 |
230 |
135 |
160 |
125 |
100 |
– |
16 |
3 |
– |
4- Φ18 |
|
65 |
290 |
142 |
180 |
145 |
120 |
– |
18 |
3 |
– |
4- Φ18 |
|
|
80 |
310 |
165 |
195 |
160 |
135 |
– |
20 |
3 |
– |
8- Φ18 |
|
|
100 |
350 |
180 |
215 |
180 |
155 |
– |
20 |
3 |
– |
8- Φ18 |
|
|
125 |
400 |
210 |
245 |
210 |
185 |
– |
22 |
3 |
– |
8- Φ18 |
|
|
150 |
480 |
233 |
280 |
240 |
210 |
– |
24 |
3 |
– |
8- Φ23 |
|
|
200 |
550 |
304 |
335 |
295 |
265 |
– |
26 |
3 |
– |
12- Φ23 |
|
|
250 |
650 |
348 |
405 |
355 |
320 |
– |
30 |
3 |
– |
12- Φ25 |
|
|
300 |
750 |
390 |
460 |
410 |
375 |
– |
30 |
4 |
– |
12- Φ25 |
|
|
350 |
850 |
430 |
520 |
470 |
435 |
– |
34 |
4 |
– |
16- Φ25 |
|
|
400 |
950 |
468 |
580 |
525 |
485 |
– |
36 |
4 |
– |
16- Φ30 |
|
|
450 |
1050 |
490 |
640 |
585 |
545 |
– |
40 |
4 |
– |
20- Φ30 |
|
|
500 |
1150 |
525 |
705 |
650 |
608 |
– |
44 |
4 |
– |
20- Φ34 |
|
|
600 |
1350 |
610 |
840 |
770 |
718 |
– |
48 |
4 |
– |
20- Φ41 |
|
|
700 |
1450 |
670 |
910 |
840 |
788 |
– |
50 |
4 |
– |
24- Φ41 |
|
|
800 |
1650 |
730 |
1020 |
950 |
898 |
– |
52 |
4 |
– |
24- Φ41 |
|
|
900 |
1950 |
795 |
1120 |
1050 |
998 |
– |
54 |
4 |
– |
28- Φ41 |
|
|
2.5
|
50 |
230 |
160 |
160 |
125 |
100 |
– |
20 |
3 |
– |
4- Φ18 |
|
65 |
290 |
175 |
180 |
145 |
120 |
– |
22 |
3 |
– |
8- Φ18 |
|
|
80 |
310 |
185 |
195 |
160 |
135 |
– |
22 |
3 |
– |
8- Φ18 |
|
|
100 |
350 |
220 |
230 |
190 |
160 |
– |
24 |
3 |
– |
8- Φ23 |
|
|
125 |
400 |
248 |
270 |
220 |
188 |
– |
28 |
3 |
– |
8- Φ25 |
|
|
150 |
480 |
270 |
300 |
250 |
218 |
– |
30 |
3 |
– |
8- Φ25 |
|
|
200 |
550 |
350 |
360 |
310 |
278 |
– |
34 |
3 |
– |
12- Φ25 |
|
|
250 |
650 |
410 |
425 |
370 |
332 |
– |
36 |
3 |
– |
12- Φ30 |
|
|
300 |
750 |
430 |
485 |
430 |
390 |
– |
40 |
4 |
– |
16- Φ30 |
|
|
350 |
850 |
518 |
550 |
490 |
448 |
– |
44 |
4 |
– |
16- Φ34 |
|
|
400 |
950 |
560 |
610 |
550 |
505 |
– |
48 |
4 |
– |
16- Φ34 |
|
|
450 |
1050 |
590 |
660 |
600 |
555 |
– |
50 |
4 |
– |
20- Φ34 |
|
|
500 |
1150 |
618 |
730 |
660 |
610 |
– |
52 |
4 |
– |
20- Φ41 |
|
|
600 |
1350 |
640 |
840 |
770 |
718 |
– |
56 |
4 |
– |
20- Φ41 |
|
|
700 |
1450 |
695 |
955 |
875 |
815 |
– |
60 |
4 |
– |
24- Φ48 |
|
|
800 |
1650 |
760 |
1070 |
990 |
930 |
– |
64 |
4 |
– |
24- Φ48 |
|
|
900 |
1956 |
833 |
1180 |
1090 |
1025 |
– |
66 |
4 |
– |
28- Φ54 |















