Lug type Three offset Butterfly valve-蝶阀-上海标鼎阀门有限公司,上海阀门,蝶阀,球阀,闸阀,截止阀,止回阀,Y形过滤器,安全阀,调节阀,减压阀,公司一直致力于工业阀门的生产和研发，以生产具有国际品质的工业阀门为己任，其质量和持续创新能力已经得到行业内主要终端用户和工程公司的认可.

Structre type: Lug Type Theree Eccentric Butterfly valve

Design standard: API609-83

flange connection dimension:ANSI B 16.5

Structure length:ANSI B 16.10-1992

Pressure test:API 598-82

characteristic is :due to use three eccentric configuration, hermetic capability reliably,which ensure disc never touch sealing seat when it start, solve the problem of hermetical seat burden unequally,prolong service life, and ensure reliable hermetic capability with advantage of high temperature resistant, wearable,antisepsis etc.

Body	WCB、304、316、316SS、CF8M
Dise	WCB、304、316、316SS、CF8M
Stem	416 、316、2Cr13、1Cr18Ni9Ti
Seal ring	316、Fluorine plastic (PTFE)
Packing	Flesxible graphite,fluorine plastic

API 150LB Series
DN	L	H	H2	D1	D2	M	n-φd1
50	43	110	345	120.5	92	M18	4-19
80	49	125	380	152.5	127	M18	4-19
100	56	145	415	190.5	157	M18	8-19
125	64	165	455	216	186	M20	8-22
150	70	175	545	241.5	216	M20	8-22
200	71	210	615	298.5	270	M20	8-22
250	76	250	695	362	324	M24	12-25
300	86	285	830	432	381	M24	12-25
350	92	320	900	476	413	M27	12-29
400	102	355	980	540	470	M27	16-29
450	114	380	1030	578	533	M30	16-32
500	127	415	1110	635	584	M30	20-32
600	154	475	1305	749.5	692	M33	20-35
750	165	580	1525	914	857	M33	28-35
900	203	680	1765	1085	1022	M39	32-41

API 300LB Series
DN	L	H	H2	D1	D2	M	n-φd1
50	43	110	345	127	92	M18	8-19
80	49	125	380	168.5	127	M20	8-22
100	56	145	415	200	157	M20	8-22
125	64	165	455	235	186	M20	8-22
150	70	175	545	270	216	M20	12-22
200	71	210	615	330	270	M24	12-26
250	76	250	695	387	324	M27	16-29
300	86	285	830	451	381	M30	16-32
350	92	320	900	514	413	M30	20-32
400	102	355	980	571	470	M33	20-35
450	114	380	1030	628	533	M33	24-35
500	127	415	1110	686	584	M33	24-35
600	154	475	1305	813	692	M39	24-41
750	165	580	1525	997	857	M45	28-49
900	203	680	1765	1168	1022	M50	32-52