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: 110°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
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
|
