MDFO
Flow measuring orifice
Flow measuring orifice with self-sealed measuring points.
Features & Benefits
Self-sealing measuring points
For simple, accurate balancing.
Stainless steel
Guarantees a longer lifetime.
Technical Information
Technical description
Application:
Heating and cooling systems
Tapwater systems
Function:
Measuring
Dimensions:
DN 20-900
Pressure class:
PN 16 (DN 20-900)
PN 25 (DN 20-300)
PN 40 (DN 65-450)
Temperature:
Max. working temperature: 120°C
Min. working temperature: -20°C
Material:
Fixed orifice: Stainless steel X3CrNiMo17-13-3 (No. 1.4436 according to EN 10028-7 or EN 10272 (BS 970 316/S16)
Measuring points: AMETAL®
Sealing (measuring points): EPDM
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Marking:
TA, MDFO, DN, PN, BS 7350, Charge No, flow direction arrow.
Articles
Articles
With self-sealed measuring points
PN 16
DN | D | H | Flange thickness | Kvmax | Kvsignal | Kg | EAN | Article No |
20 | 63 | 127 | 18 | 6 | 4,68 | 0,59 | 7318792808203 | 52 176-920 |
25 | 73 | 131 | 18 | 11 | 8,64 | 0,70 | 7318792808302 | 52 176-925 |
32 | 84 | 137 | 18 | 23 | 16,6 | 0,83 | 7318792808401 | 52 176-932 |
40 | 94 | 142 | 18 | 35 | 24,5 | 0,98 | 7318792808500 | 52 176-940 |
50 | 109 | 150 | 18 | 72 | 46,1 | 1,2 | 7318792808609 | 52 176-950 |
65 | 127 | 159 | 18 | 154 | 90 | 1,5 | 7318792808708 | 52 176-965 |
80 | 142 | 166 | 18 | 220 | 120 | 1,8 | 7318792808807 | 52 176-980 |
100 | 162 | 176 | 18 | 373 | 220 | 2,0 | 7318792808906 | 52 176-990 |
125 | 192 | 191 | 18 | 570 | 342 | 2,5 | 7318792809002 | 52 176-991 |
150 | 218 | 204 | 18 | 789 | 468 | 3,0 | 7318792809101 | 52 176-992 |
200 | 273 | 231 | 18 | 1383 | 792 | 4,3 | 7318792809200 | 52 176-993 |
250 | 329 | 260 | 18 | 2122 | 1224 | 5,7 | 7318792809309 | 52 176-994 |
300 | 384 | 287 | 18 | 3116 | 1800 | 7,0 | 7318792809408 | 52 176-995 |
350 | 444 | 317 | 20 | 4000 | 2250 | 10 | 7318792809507 | 52 176-996 |
400 | 496 | 343 | 23 | 5300 | 3000 | 14 | 7318792809606 | 52 176-997 |
450 | 556 | 373 | 28 | 6400 | 3750 | 22 | 7318793777904 | 52 176-999 |
500 | 618 | 404 | 28 | 7950 | 4500 | 26 | 7318792809705 | 52 176-998 |
600 | 735 | 463 | 29 | 10700 | 6500 | 43 | 7318793805102 | 52 276-001 |
700 | 805 | 498 | 31 | 15000 | 9000 | 44 | 7318793805201 | 52 276-002 |
750 | 865 | 528 | 32 | 17500 | 10500 | 51 | 7318793966001 | 52 276-012 |
800 | 911 | 551 | 32 | 20300 | 12000 | 56 | 7318793805300 | 52 276-003 |
900 | 1011 | 601 | 33 | 26000 | 15500 | 65 | 7318793805409 | 52 276-004 |
PN 25
DN | D | H | Flange thickness | Kvmax | Kvsignal | Kg | EAN | Article No |
20 | 63 | 127 | 18 | 6 | 4,68 | 0,59 | 7318794061507 | 52 176-820 |
25 | 73 | 131 | 18 | 11 | 8,64 | 0,70 | 7318794061101 | 52 176-825 |
32 | 84 | 137 | 18 | 23 | 16,6 | 0,83 | 7318794061200 | 52 176-832 |
40 | 94 | 142 | 18 | 35 | 24,5 | 0,98 | 7318794061309 | 52 176-840 |
50 | 109 | 150 | 18 | 72 | 46,1 | 1,2 | 7318794061408 | 52 176-850 |
65 | 127 | 159 | 18 | 154 | 90 | 1,5 | 7318793783103 | 52 176-865 |
80 | 142 | 166 | 18 | 220 | 120 | 1,8 | 7318793783202 | 52 176-880 |
100 | 168 | 179 | 18 | 373 | 220 | 2,0 | 7318793783301 | 52 176-890 |
125 | 194 | 192 | 18 | 570 | 342 | 2,5 | 7318793783400 | 52 176-891 |
150 | 224 | 207 | 18 | 789 | 468 | 3,0 | 7318793783509 | 52 176-892 |
200 | 284 | 237 | 18 | 1383 | 792 | 4,3 | 7318793783608 | 52 176-893 |
250 | 340 | 265 | 18 | 2122 | 1224 | 5,7 | 7318793783707 | 52 176-894 |
300 | 400 | 295 | 18 | 3116 | 1800 | 7,0 | 7318793783806 | 52 176-895 |
PN 40
DN | D | H | Flange thickness | Kvmax | Kvsignal | Kg | EAN | Article No |
65 | 127 | 159 | 18 | 154 | 90 | 1,5 | 7318793782304 | 52 176-765 |
80 | 142 | 166 | 18 | 220 | 120 | 1,8 | 7318793782403 | 52 176-780 |
100 | 168 | 179 | 18 | 373 | 220 | 2,0 | 7318793782502 | 52 176-790 |
125 | 194 | 192 | 18 | 570 | 342 | 2,5 | 7318793782601 | 52 176-791 |
150 | 224 | 207 | 18 | 789 | 468 | 3,0 | 7318793782700 | 52 176-792 |
200 | 290 | 240 | 18 | 1383 | 792 | 4,3 | 7318793782809 | 52 176-793 |
250 | 352 | 271 | 18 | 2122 | 1224 | 5,7 | 7318793782908 | 52 176-794 |
300 | 417 | 304 | 18 | 3116 | 1800 | 7,0 | 7318793783004 | 52 176-795 |
350 | 474 | 332 | 20 | 4000 | 2250 | 15,0 | 7318793955302 | 52 176-796 |
400 | 546 | 368 | 23 | 5300 | 3000 | 23,0 | 7318793955401 | 52 176-797 |
450 | 571 | 381 | 28 | 6400 | 3750 | 26,0 | 7318793955906 | 52 176-798 |
Accessories
Max 120°C (intermittent 150°C)AMETAL®/EPDM
Measuring point
Max 120°C (intermittent 150°C)
AMETAL®/EPDM
d | L | EAN | Article No | |
1/4 | 39 | 7318792813108 | 52 179-009 | |
1/4 | 103 | extended | 7318792814600 | 52 179-609 |
