Product Description
Application-Noise etimination check valve
Noise etimination check valve is installed on the outlet pipeline of a pump.it can effectively precent back-flow and pump reverse when the pump stops working.
Material of main parts
|
No. |
Item |
Materical |
Symbol |
|
1 |
Body |
Cast iron |
ASTM A 126 CL.B/GG25 |
|
2 |
Disc |
Cast iron |
ASTM A 126 CL.B/GG25 |
|
3 |
Seat |
Rubber |
NBR&EPDM |
|
4 |
Spring |
Stainless steel |
SS304 |
|
5 |
Bushing |
Brass |
ZCuZn38Mn2Pb2 |
Overall Dimensions
|
Type |
PN(Mpa) |
DN |
D |
D1 |
D2 |
L |
b |
f |
n-d0 |
|
HC41X |
1.0 |
DN40 |
150 |
110 |
84 |
140 |
18 |
3 |
4-Φ18 |
|
|
|
DN50 |
165 |
125 |
99 |
150 |
20 |
3 |
4-Φ18 |
|
|
|
DN65 |
185 |
145 |
118 |
170 |
20 |
3 |
4-Φ18 |
|
|
|
DN80 |
200 |
160 |
132 |
180 |
22 |
3 |
8-Φ18 |
|
|
|
DN100 |
220 |
180 |
156 |
190 |
24 |
3 |
8-Φ18 |
|
|
|
DN125 |
250 |
210 |
184 |
200 |
26 |
3 |
8-Φ18 |
|
|
|
DN150 |
285 |
240 |
211 |
210 |
26 |
3.0 |
8-Φ23 |
|
|
|
DN200 |
340 |
295 |
266 |
230 |
26 |
3 |
8-Φ23 |
|
|
|
DN250 |
395 |
350 |
319 |
250 |
28 |
3 |
12-Φ23 |
|
|
|
DN300 |
445 |
400 |
370 |
270 |
28 |
4 |
12-Φ23 |
|
|
|
DN350 |
505 |
460 |
429 |
290 |
30 |
4 |
16-Φ23 |
|
|
|
DN400 |
565 |
515 |
480 |
310 |
32 |
4 |
16-Φ28 |
