Double Stem lug Butterfly Valve

Double Stem lug Butterfly Valve

Features: DN: 2~20"(DN50~DN500）
Nominal pressure: PN10, PN16, Class125
Body Materials: Cast Iron, Ductile Iron, WCB , Stainless Steel, Bronze
Seat Materials: NBR, EPDM, VITON, PTFE
Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958
tem Materials: S SS416, SS304, SS316
End Connection: Wafer

DN	øD1	øD2	øD3	øD4	øD5	øD6	□T	ød	N-M	A	B	C	D	4- ød1
mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
40	42.3	110	86	50	65	12.6	9	18	4-M16	212	110	32	32	7
50	52.6	125	100	50	65	12.6	9	18	4-M16	273	161	32	43	7
65	64.3	145	120	50	65	12.6	9	18	4-M16	296	175	32	46	7
80	78.8	160	127	50	65	12.6	9	18	8-M16	308	181	32	46	7
100	104	180	156	70	90	15.77	11	18	8-M16	346	200	32	52	10
125	123.3	210	190	70	90	18.92	14	18	8-M16	372	213	32	56	10
150	155.7	240	212	70	90	18.92	14	22	8-M20	397	226	32	56	10
200	202.4	295	268	102	125	22.1	17	22	8-M20	480	260	45	60	12
250	250.4	350	325	102	125	28.45	19	22	12-M20	540	292	45	68	12
300	301.5	400	376	102	125	31.6	22	22	12-M20	624	337	45	78	12
350	333.3	460	436	102	125	31.6	22	22	16-M20	680	368	45	78	12
400	389.6	515	488	140	175	33.15	24	26	16-M24	763	400	51	102	18
450	440.5	565	539	140	175	37.95	27	26	20-M24	800	422	51	114	18
500	491.6	620	593	140	175	41.12	36	26	20-M24	897	480	57	127	18