Three eccentric flange butterfly valve

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Main parts material

Part Name

Material

Valve body

Cast iron, stainless steel, chromium-molybdenum steel, alloy steel

Butterfly board

Cast steel, stainless steel, chromium-molybdenum steel, alloy steel

Sealing ring

Stainless steel and high temperature resistant asbestos board are combined into multiple layers

Valve rod

2Cr13, 1Cr13 stainless steel, chromium molybdenum steel, duplex steel

Bearings

Austenitic stainless steel, 304 nitriding

filler

Flexible graphite

Main appearance and connection size D343F-PN10-25 (DN50~2000) Unit: mm

Nominal path DN(mm)	L		Main appearance and connection size (mm)
	L		D343H				PN1.0MPa					PN1.6MPa					PN2.5MPa
	L short	long	H1	H	L1	L2	D	D1	D2	Z-φd		D	D1	D2	Z-φd	b	D	D1	D2	Z-φd	b
50	108	150	80	310	40	130	60	125	00	4-18	18	60	25	00	4-18	18	160	25	00	4-18	20
65	112	170	95	340	40	130	180	145	120	4-18	18	180	145	120	4-18	18	160	45	120	8-18	twenty two
80	114	180	100	350	50	145	195	160	135	4-18	20	195	160	135	8-18	20	195	160	135	8-18	twenty two
100	127	190	115	375	50	145	215	180	155	8-18	twenty two	215	180	155	8-18	20	230	190	160	8-23	twenty four
125	140	200	130	405	70	175	245	210	185	8-18	twenty two	245	210	185	8-18	twenty two	270	220	188	8-25	28
150	140	210	140	440	70	175	280	240	210	8-23	twenty four	280	240	210	8-23	twenty four	300	250	218	8-25	30
200	152	230	175	615	90	200	335	295	265	8-23	twenty four	335	295	265	12-23	twenty four	360	310	278	12-25	34
250	165	250	215	695	90	200	390	350	320	12-23	26	405	355	320	12-25	26	425	370	332	12-30	36
300	178	270	245	750	130	240	440	400	368	12-23	28	460	410	375	12-25	28	485	430	390	16-30	40
350	190	290	270	800	130	240	500	460	428	16-23	28	520	470	435	16-25	30	550	490	448	16-34	44
400	216	310	305	990	130	240	565	515	482	16-25	30	580	525	485	16-30	32	610	550	505	16-34	46
450	222	330	325	040	175	280	615	565	532	20-25	30	640	585	545	20-30	34	660	600	555	20-34	48
500	229	350	360	1130	175	280	670	620	585	20-25	32	705	650	605	20-34	36	730	660	610	20-41	50
600	267	390	445	1380	200	315	780	725	685	20-30	36	840	770	718	20-41	38	840	770	718	20-39	50
700	292	430	505	500	200	365	895	840	800	24-30	36	910	840	788	24-41	40	955	875	815	24-48	50
800	318	470	560	1585	225	440	1010	950	905	24-34	38	1020	950	898	24-41	42	1070	990	930	24-48	54
900	330	510	630	1680	225	440	1110	1050	1005	28-34	38	1120	1050	998	28-41	44	1180	1090	1025	28-54	58
1000	410	550	680	1760	290	490	1220	160	15	28-36	38	1255		10	28-42	46	1305	210	140	28-55	62
1200	470	630	795	2020	290	490	1450	1380	1325	32-39	40	1485	1390	1325	32-48	52	1525	1420	1350	32-55	70
1400	530	710	900	2365	290	490	1675	1590	1525	36-42	44	1685	1590	1525	36-48	58	1750	1640	1560	36-60	70
1600	600	790	1100	2725	410	600	1915	1820	1750	40-48	48	1930	1820	1750	40-58	64
1800	670	870	1124	2845	500	600	2115	2020	1950	44-48	50	2130	2020	1950	44-56	68
2000	760	950	1295	3130	500	800	2325	2230	2150	48-48	54	2345	2230	2150	48-62	70	one

Note: Product information is for reference only. If you have any questions, please contact our company!

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Address: Langli Industrial Park, Economic Development Zone, Changsha City, Hunan Province