 |
Tiny resistance slow closing swing check valve |
| It can avoid the water hammer by reducing the stress of water hammer . Light disc can ensure its long life. |
| |
| Material of parts |
Name |
Material |
Body 、Bonnet |
Grey iron 、Ductile iron 、Cast steel |
stem |
Stainless steel |
disc |
Vulcanizated steel with rubber |
bushing |
Brass |
seal |
Oil-resistant rubber |
|
| |
| Performance |
Code |
H44□X-1.0/1.6/2.5 |
Nominal Diameter (mm) |
DN40-900 |
Nominal Pressure (MPa) |
1.0 |
1.6 |
2.5 |
Sealing testing pressure (MPa) |
1.1 |
1.76 |
2.75 |
Medium |
water 、sewage water 、petroleum、weak acid alkali |
Medium Temperature(℃) |
≤ 90 ℃ |
The time for closing(second) |
0-45 |
saving energy |
50-70% |
|
| |
| Outer Size Unit:mm |
Nominal Diameter |
L (mm) |
B (mm) |
H (mm) |
n-φ
(mm) |
mm |
in |
40 |
1.5 ″ |
200 |
220 |
300 |
4-18 |
50 |
2 ″ |
230 |
270 |
300 |
4-18 |
65 |
2.5 ″ |
290 |
290 |
320 |
4-18 |
80 |
3 ″ |
310 |
300 |
354 |
8-18 |
100 |
4 ″ |
350 |
320 |
350 |
8-18 |
125 |
5 ″ |
400 |
340 |
380 |
8-18 |
150 |
6 ″ |
480 |
410 |
500 |
8-22 |
200 |
8 ″ |
500 |
450 |
580 |
8-22 |
250 |
10 ″ |
600 |
550 |
670 |
12-22 |
300 |
12 ″ |
700 |
580 |
700 |
12-26 |
350 |
14 ″ |
800 |
630 |
820 |
16-22 |
400 |
16 ″ |
900 |
700 |
920 |
16-22 |
450 |
18 ″ |
1000 |
800 |
950 |
20-26 |
500 |
20 ″ |
1100 |
900 |
1100 |
20-26 |
600 |
24 ″ |
1300 |
990 |
1200 |
20-30 |
700 |
28 ″ |
1400 |
1120 |
1550 |
24-30 |
800 |
32 ″ |
1500 |
1300 |
1700 |
24-33 |
900 |
36 ″ |
1700 |
1350 |
1800 |
28-33 |
|
|
| Note: the mounting dimension of flanges are designed in accordance with GB/T9113-2000, GB/T17241-1998,JB/T79-1994. |
