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D41F Manually Adjustable PTFE Sealed Butterfly Valve

The D41F manually adjustable PTFE sealed butterfly valves PN6~PN10 are suitable for the transportation of liquids and gases (including vapors) in various types of industrial pipelines, especially in applications with severely corrosive media such as sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine gas, strong alkali, aqua regia, and other highly corrosive media.

Product external structural connection size:

D41F manual adjustment type PTFE sealing butterfly valve PN6~PN10 external structure connection dimensions
DN （mm）	NPS (inch)	L	D	D1	D2	F	B	N-φD	W	D0	H	WT(kg)
DN （mm）	NPS (inch)	PN0.6MPa
40	1 1/2	106	130	100	80	3	16	4-φ14	160		140	10
50	2	108	140	110	90	3	16	4-φ14	200		160	12
65	2 1/2	112	160	130	110	3	16	4-φ14	250		160	13
80	3	114	185	150	125	3	18	4-φ18	250		170	14
100	4	127	205	170	145	3	18	4-φ18	300		180	16
125	5	140	235	200	175	3	20	8-φ18	300		275	18
150	6	140	260	225	200	3	20	8-φ18		200	295	38
200	8	152	315	280	255	3	22	8-φ18		200	320	74
250	10	250	370	335	310	3	24	12-φ18		240	385	105
300	12	270	435	375	362	4	24	12-φ23		240	390	142
350	14	290	485	445	412	4	26	12-φ23		240	460	179
400	16	310	535	495	462	4	28	16-φ23		280	510	220
450	18	330	590	550	518	4	28	16-φ23		280	540	268
500	20	350	640	600	568	4	30	16-φ23		320	570	378
600	24	390	755	705	670	5	30	20-φ25		320	660	608
700	28	430	860	810	775	5	32	24-φ25		360	710	1050
800	32	470	975	920	880	5	34	24-φ30		360	780	1320
900	36	510	1075	1020	980	5	36	24-φ30		380	885	1795
1000	40	550	1175	1120	1080	5	36	28-φ30		400	990
PN1.0MPa
40	1 1/2	106	145	110	85	3	18	4-φ18	160		140	10
50	2	108	160	125	100	3	20	4-φ18	200		160	12
65	2 1/2	112	180	145	120	3	20	4-φ18	250		165	14
80	3	114	195	160	135	3	22	4-φ18	250		170	16
100	4	127	215	180	155	3	22	8-φ18	300		180	18
125	5	140	245	210	185	3	24	8-φ18	300		275	20
150	6	140	280	240	210	3	24	8-φ23		200	295	38
200	8	152	335	295	265	3	26	8-φ23		200	320	74
250	10	250	390	350	320	3	28	12-φ23		240	385	105
300	12	270	440	400	368	4	28	12-φ23		240	390	142
350	14	290	500	460	428	4	30	16-φ23		240	460	179
400	16	310	565	515	482	4	32	16-φ25		280	510	220
450	18	330	615	565	532	4	32	20-φ25		280	540	268
500	20	350	380	620	585	4	34	20-φ25		320	570	378
600	24	390	780	725	685	5	36	20-φ30		320	660	608
700	28	430	895	840	800	5	40	20-φ30		360	710	1050
800	32	470	1010	950	905	5	44	24-φ34		360	780	1320
900	36	510	1110	1050	1005	5	46	28-φ34		380	885	1795
1000	40	550	1220	1160	1115	5	50	28-φ34		400	990	1900