MDFO

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

With self-sealed measuring points

PN 16

DN	D	H	Flange thickness	Kv_max	Kv_signal	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	Kv_max	Kv_signal	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	Kv_max	Kv_signal	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

With self-sealed measuring points

PN 16

DN	D	H	Flange thickness	Kv_max	Kv_signal	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	Kv_max	Kv_signal	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	Kv_max	Kv_signal	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