Flanged 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: double flanged three eccenticity

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
Packing	Flesxible graphite,fluorine plastic

API 150LB Series
DN	L	H	H2	D	D1	D2	M	n-φd1
50	108	110	345	152	120.5	92	M18	4-19
80	114	125	380	190	152.5	127	M18	4-19
100	127	145	415	229	190.5	157	M18	8-19
125	140	165	455	254	216	186	M20	8-22
150	140	175	545	279	241.5	216	M20	8-22
200	150	210	645	343	298.5	270	M20	8-22
250	160	250	695	406	362	324	M24	12-25
300	178	285	830	483	432	381	M24	12-25
350	190	320	900	533	476	413	M27	16-29
400	216	355	980	597	540	470	M27	16-29
450	222	380	1030	635	578	533	M30	16-32
500	229	415	1110	699	635	584	M30	20-32
600	267	475	1305	813	749.5	692	M33	20-35
750	292	580	1525	985	914	857	M33	28-35
800	318	630	1585	1060	978	914	M39	28-41
900	330	680	1765	1168	1085	1022	M39	32-41

API 300LB Series
DN	L	H	H2	D	D1	D2	M	n-φd1
50	108	110	345	165	127	92	M18	8-19
80	114	125	380	210	168	127	M20	8-22
100	127	145	415	254	200	157	M20	8-22
125	140	165	455	279	235	186	M20	8-22
150	140	175	545	318	270	216	M20	12-22
200	150	210	645	381	330	270	M24	12-26
250	160	250	695	445	387	324	M27	16-29
300	178	285	830	521	451	381	M30	16-32
350	190	320	900	584	514	413	M30	20-32
400	216	355	980	648	571	470	M33	20-35
450	222	380	1030	711	628	533	M33	24-35
500	229	415	1110	775	686	584	M33	24-35
600	267	475	1305	914	813	692	M39	24-41
750	292	580	1525	1092	997	857	M45	28-49
900	330	680	1765	1270	1168	1022	M50	32-53