Hard sealing flange butterfly valve

The hard sealing butterfly valve is an eccentric metal sealing structure, the sealing form is metal-to-metal sealing, the metal sealing ring can be exchanged for metal sealing, and the stainless steel plate and graphite composite plate sealing ring is sea type.

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Product Detail

Product Parameter

The disc of the hard-sealed butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0° and 90°. When it rotates to 90°, the valve is fully open.

Main dimensions and connection dimensions:

National standard (GB) PN1.0MPa
DN	L	D	D1	D2	b	f	Z-фd	H
50	108	165	125	102	18	3	4-ф18	195
65	112	185	145	122	18	3	8-ф18	215
80	114	200	160	138	20	3	8-ф18	215
100	127	220	180	158	20	3	8-ф18	235
125	140	250	210	188	22	3	8-ф18	290
150	140	285	240	212	22	3	8-ф22	310
200	152	340	295	268	24	3	8-ф22	360
250	165	395	350	320	26	3	12-ф22	395
300	178	445	400	370	26	4	12-ф22	425
350	190	505	460	430	26	4	16-ф22	475
400	216	565	515	482	26	4	16-ф26	520
450	222	615	565	532	28	4	20-ф26	550
500	229	670	620	585	28	4	20-ф26	610
600	267	780	725	685	34	5	20-ф30	655
700	292	895	840	800	34	5	24-ф30	725
800	318	1015	950	905	36	5	24-ф33	795
900	330	1115	1050	1005	38	5	28-ф33	885
1000	410	1230	1160	1110	38	5	28-ф36	950
1200	470	1455	1380	1330	44	5	32-ф39	1125
1400	530	1675	1590	1535	48	5	36-ф42	1275
1600	600	1915	1820	1760	52	5	40-ф48	1470
1800	670	2115	2020	1960	56	5	44-ф48	1585
2000	760	2325	2230	2170	60	5	48-ф48	1720
National standard (GB) PN1.6MPa
DN	L	D	D1	D2	b	f	Z-фd	H
50	108	165	125	102	18	3	4-ф18	195
65	112	185	145	122	18	3	8-ф18	215
80	114	200	160	138	20	3	8-ф18	215
100	127	220	180	158	20	3	8-ф18	235
125	140	250	210	188	22	3	8-ф18	290
150	140	285	240	212	22	3	8-ф22	310
200	152	340	295	268	24	3	12-ф22	360
250	165	405	355	320	26	3	12-ф26	395
300	178	460	410	378	28	4	12-ф26	425
350	190	520	470	438	30	4	16-ф26	475
400	216	580	525	490	32	4	16-ф30	520
450	222	640	585	550	34	4	20-ф30	550
500	229	715	650	610	36	4	20-ф33	610
600	267	840	770	725	38	5	20-ф36	655
700	292	910	840	795	40	5	24-ф36	725
800	318	1025	950	900	42	5	24-ф39	795
900	330	1125	1050	1000	44	5	28-ф39	885
1000	410	1255	1170	1115	46	5	28-ф42	950
1200	470	1485	1390	1330	52	5	32-ф48	1125
1400	530	1685	1590	1530	58	5	36-ф48	1275
1600	600	1930	1820	1750	64	5	40-ф56	1470
1800	670	2130	2020	1950	68	5	44-ф56	1585
2000	760	2345	2230	2150	70	5	48-ф62	1720
National standard (GB) PN2.5MPa
DN	L	D	D1	D2	b	f	Z-фd	H
50	108	165	125	102	20	3	4-ф18	195
65	112	185	145	122	22	3	8-ф18	215
80	114	200	160	138	24	3	8-ф18	215
100	127	235	190	162	24	3	8-ф22	235
125	140	270	220	188	26	3	8-ф26	290
150	140	300	250	218	28	3	8-ф26	310
200	152	360	310	278	30	3	12-ф26	370
250	165	425	370	335	32	3	12-ф30	397
300	178	485	430	395	34	4	16-ф30	455
350	190	555	490	450	38	4	16-ф33	495
400	216	620	550	505	40	4	16-ф36	535
450	222	670	600	555	46	4	20-ф36	560
500	229	730	660	615	48	4	20-ф36	620
600	267	845	770	720	50	5	20-ф39	685
700	292	960	875	820	54	5	24-ф42	750
800	318	1085	990	930	58	5	24-ф48	870
900	330	1185	1090	1030	60	5	28-ф48	965
1000	410	1320	1210	1140	62	5	28-ф56	1040
1200	470	1530	1420	1350	70	5	32-ф56	1180
1400	530	1755	1640	1560	76	5	36-ф62	1365
1600	600	1975	1860	1780	84	5	40-ф62	1580
National standard (GB) PN4.0MPa
DN	L	D	D1	D2	b	f	Z-фd	H
50	150	165	125	102	20	3	4-ф18	195
65	170	185	145	122	22	3	8-ф18	210
80	180	200	160	138	24	3	8-ф18	230
100	190	235	190	162	24	3	8-ф22	250
125	200	270	220	188	26	3	8-ф26	295
150	210	300	250	218	28	3	8-ф26	340
200	230	375	320	285	34	3	12-ф30	390
250	250	450	385	345	38	3	12-ф33	485
300	270	515	450	310	42	4	16-ф33	490
350	290	580	510	465	46	4	16-ф36	540
400	310	660	585	535	50	4	16-ф39	620
450	330	685	610	560	57	4	20-ф39	645
500	350	755	670	615	57	4	20-ф42	670

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