Executive standard for steel pair clamp silencing check valve
model | H71H/W-16C/25P/R | |
Nominal pressure(PN) | 1.6 | 25 |
Sealing test(MPa) | 1.76 | 2.75 |
Shell test(MPa) | 2.4 | 3.75 |
Applicable temperature(≤℃) | C:425 P/R:100 | |
Applicable media | C: Steam / water / oil p: nitric acid R: acetic acid |
Material of main parts
Part name | Material Science | ||
H71H-16C/25 | H71W-16/25P | H71W-16/25R | |
valve body | carbon steel | Cr Ni Ti stainless steel | Cr Ni Ti stainless steel |
Disc | Chromium stainless steel | Cr Ni Ti stainless steel | Cr Ni Ti stainless steel |
Main connecting dimensions of steel pair clamp silencing check valve
DN | L | D | |
PN16 | PN25 | ||
15 | 25 | 48 | 48 |
20 | 31.5 | 58 | 58 |
25 | 35.5 | 68 | 68 |
32 | 40 | 80 | 80 |
40 | 45 | 90 | 90 |
50 | 56 | 90 | 90 |
80 | 71 | 140 | 125 |
100 | 80 | 160 | 165 |
125 | 110 | 190 | 195 |
150 | 125 | 215 | 225 |
200 | 160 | 270 | 285 |
250 | 200 | 330 | 340 |
300 | 250 | 385 | 400 |
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