Flanged Ventilation Butterfly Valve

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DN	SIZE ( mm )
	L	H	H0	0.05-0.1MPa				0.25 Mpa				0.6 Mpa
				D	D1	D2	n-d	D	D1	D2	n-d	D	D1	D2	n-d
100	127	105	486	210	190	144	4-18	210	190	144	4-18	210	190	144	4-19
125	140	120	516	240	200	174	8-18	240	200	174	8-18	240	200	174	8-19
150	140	132	541	265	225	199	8-18	265	225	199	8-18	265	225	199	8-19
200	152	160	779	320	280	254	8-18	320	280	254	8-18	320	280	254	8-19
250	165	187	836	375	335	309	12-18	375	335	309	12-18	375	335	309	12-19
300	180	220	901	440	395	363	12-22	440	395	363	12-22	440	395	363	12-23
350	180	245	954	490	445	413	12-22	490	445	413	12-22	490	445	413	12-23
400	200	270	1003	540	495	463	16-22	540	495	463	16-22	540	495	463	16-23
450	200	297	1058	595	550	518	16-22	595	550	518	16-22	595	550	518	16-23
500	220	322	1111	645	600	568	20-22	645	600	568	20-22	645	600	568	20-23
600	220	377	1233	755	705	667	20-26	755	705	667	20-26	755	705	667	20-26
700	240	430	1338	860	810	772	24-26	860	810	772	24-26	860	810	772	24-26
800	240	487	1452	975	920	878	24-30	975	920	878	24-30	975	920	878	24-31
900	260	537	1588	1075	1020	978	24-30	1075	1020	978	24-30	1075	1020	978	24-31
1000	260	587	1689	1175	1120	1078	28-30	1175	1120	1078	28-30	1175	1120	1078	28-31
1200	280	702	1938	1375	1320	1280	32-30	1375	1320	1280	32-30	1405	1340	1295	32-34
1400	300	782	2670	1575	1520	1480	36-30	1575	1520	1480	36-30	1630	1560	1510	36-37
1600	320	895	2810	1790	1730	1690	40-30	1790	1730	1690	40-30	1830	1760	1710	40-37
1800	340	995	3020	1990	1930	1890	44-30	1990	1930	1890	44-30	2045	1970	1918	44-40
2000	360	1095	3220	2190	2130	2090	48-30	2190	2130	2090	48-30	2265	2180	2125	48-43
2200	380	1200	3430	2405	2340	2295	42-33	2405	2340	2295	42-33	2475	2390	2335	52-43
2400	400	1310	3650	2605	2540	2495	56-33	2605	2540	2495	56-33	2685	2600	2545	56-43
2600	420	1420	3920	2805	2740	2695	60-33	2805	2740	2695	60-33	2905	2810	2750	60-49
2800	440	1530	4140	3030	2960	2910	64-36	3030	2960	2910	64-36	3115	3020	2960	64-49
3000	460	1640	4360	3230	3160	3110	68-36	3230	3160	3110	68-36	3315	3220	3160	68-49
3200	480	1760	4620	3430	3360	3310	72-36	3430	3360	3310	72-36	3525	3430	3360	72-49
3400	500	1870	4840	3630	3560	3510	76-36	3630	3560	3510	76-36	3735	3640	3560	76-49
3600	520	1980	5060	3840	3770	3720	80-36	3840	3770	3720	80-36	3970	3860	3720	80-56
3800	540	2120	5400	4045	3970	3920	80-36	4045	3970	3920	80-39	4180	4070	3970	80-62
4000	560	2230	5620	4245	4170	4120	84-39	4245	4170	4120	84-39	4380	4270	4170	84-62

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Flanged Ventilation Butterfly Valve

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