Page 239 - Catalogue 2019

DOUBLE CHECK VALVE DC

INSTALLATION

vertical
horizontal

B
R

Ø C right wrong

Ø A

Double check valve DC

Dimensions [mm]
DN Size A B C R min. opening pressure K v Weight
[mm] [in] [mbar] [m³/h] [kg]
50 2 107 43 65 29 20 63 1,5
65 2½ 127 46 80 36 20 109 2,4
80 3 142 64 94 43 20 172 3,6
100 4 162 64 117 53 20 289 5,7
125 5 192 70 145 66 20 476 7,3
150 6 218 76 170 79 20 750 9,0
200 8 273 89 224 104 20 1550 17,0
250 10 328 114 265 127 20 2880 26,0
300 12 378 114 310 148 20 4100 42,0
350 14 438 127 360 172 30 5274 55,0
400 16 489 140 410 197 30 8250 75,0
450 18 539 152 450 218 30 10550 101,0
500 20 594 152 505 241 30 14500 111,0
600 24 695 178 624 295 30 24000 172,0
Installing the check valve on top of a pump please ensure that neither the valve is Subject to change without notice
mounted directly on the pump flange or the following bend or a smoothing section
of less than 5 x DN is observed.
For tight sealing of the DC a back pressure of not less than 1 bar is required.

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01.2019