Vertical Soundproofing Check Valves PN16 DN100
Product Overview
Silent type check valves are consists of valve body, seat,guiding object, disc ,bearing and spring etc parts,inside passageway adopts streamlined design to make pressure loss smallest.The distance between disc openning and closing is very short, it can close quickly when stop the pump and avoid huge water hammer, so it possesses the feature of silentoff. This kind valves are mainly installed on the pump exit on water supply and drainage, fire protection and HVAC system to provent backflow and the damage of water hammer to pump.
The Major Parts Material
|
NO. |
Name |
MateriaK |
|
1 |
Gasket |
Carbon steel |
|
2 |
Nut |
Carbon steel |
|
3 |
Body |
Ductile iron |
|
4 |
Disc |
DUCTILE IRON/EPDM |
|
5 |
0-ring |
NBR |
|
6 |
Guiding stem |
Stainless steel |
|
7 |
Spring |
Stainless steel |
|
8 |
Bush |
Brass |
|
9 |
Bonnet |
Ductile iron |
Main Connection Dimensions
|
DN |
D |
D1 |
D2 |
H |
b |
f |
N- |
Фd |
|
PN10 |
PN16 |
|||||||
|
40 |
150 |
110 |
84 |
100 |
18 |
3 |
4-Ф19 |
|
|
50 |
165 |
125 |
99 |
100 |
20 |
3 |
4-Ф19 |
|
|
65 |
185 |
145 |
118 |
120 |
20 |
3 |
4-Ф19 |
|
|
80 |
200 |
160 |
132 |
140 |
22 |
3 |
8-Ф19 |
|
|
100 |
220 |
180 |
156 |
170 |
24 |
3 |
8-Ф19 |
|
|
125 |
250 |
210 |
184 |
200 |
26 |
3 |
8-Ф19 |
|
|
150 |
285 |
240 |
211 |
230 |
26 |
3 |
8-Ф19 |
|
|
200 |
340 |
295 |
266 |
300 |
30 |
3 |
8-Ф23 |
12-Ф23 |
|
250 |
405 |
355 |
319 |
370 |
32 |
3 |
12-Ф23 |
12-Ф28 |
|
300 |
460 |
410 |
370 |
410 |
32 |
4 |
12-Ф23 |
12-Ф28 |
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