Danfoss FVF - PN 16, FVF - PN 25 Operating guide
Operating Guide
FVF - PN 16, 25 / DN 15 - 300
MAINTENANCE
FVF (plug)
FVF (magnetic insert)
FVF (ball valve)
②
①
FVF (magnetic insert)
④
FVF (ball valve)
③
⑤
© Danfoss | 2022.02
②
①
④
③
⑤
To prevent scalds during draining the
draining ball valve must be equipped with
drain hose, that leads to drainage system.
AQ246986498562en-010301 | 1
FVF
Fig. 1
①
② ③
5
1
9
13
17
4
8
12
16
20
Fig. 2
When cleaning the mesh, screwing the cover should follow the sequence
shown in Figure 2. Number of bolts depend of the strainer DN.
Tightening torques in the table should be followed. The frequency of
cleaning depends on the media quality and operating conditions.
19
15
11
7
3
18
14
10
2
6
DN
15- 32 35 Nm ± 5 Nm
40- 65 35 Nm ± 10 Nm
80 -200 100 Nm ± 10 Nm
250-300 170 Nm ± 15 Nm
Tightning
torque
DN L H H
15 130 75 115 95 14 65 95 14 65 2.2
20 150 75 115 105 14 75 105 14 75 3.3
25 160 90 135 115 14 85 115 14 85 3.8
32 180 90 135 140 19 100 140 19 100 5.0
40 200 110 170 150 19 110 150 19 110 6.5
50 230 120 19 0 165 19 125 165 19 125 8.5
65 290 140 220 185 19 145 185 19 145 12. 0
80 310 165 265 200 19 160 200 19 160 16.6
100 350 220 340 220 19 180 235 23 190 25.0
125 400 260 410 250 19 210 270 28 220 39.0
150 480 300 475 285 23 240 300 28 250 61.0
200 600 360 580 340 23 295 360 28 310 109.0
250 730 470 680 405 28 355 425 31 370 162.0
300 850 560 820 460 28 410 485 31 430 280.0
2 | © Danfoss | DCS-SGDPT/SI | 2022.02
PN 16 PN 25
1
ØD Ød dk ØD Ød dk
mm
Weight
(kg)
AQ246986498562en-010301
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