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Flange butterfly valve

Features: Size: 2”~56”
Pressure Rating: PN10, PN16, CL150
Material: Ductile Iron, WCB, Stainless Steel
Design Standard: BS 5155,EN593, API 609
Inspection Standard: EN12266, API 598,GB/T 13927-92
Application medium: Water, Sewage, Gas
Application Temperature: -10℃~150℃NBR0-70℃,EPDM0-120'℃，PTFE 0-150℃

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Parameter:

DN	L	L1	D		D1		D3	D4	H1	H2	H3	b	Z-ød
			PN10	PN16	PN10	PN16							PN10	PN16
50	108	160	165	1665	125	125	70	50	83	130	60	18	4–18	4–18
65	112	160	186	185	145	145	70	50	93	140	60	18	4–18	4–18
80	114	160	200	200	160	160	70	50	100	150	60	20	8–18	8–18
100	127	160	220	220	180	180	90	70	110	165	60	20	8–18	8–18
125	140	160	250	250	210	210	90	70	123	180	60	22	8–18	8–18
150	140	160	285	285	240	240	90	70	143	200	60	22	8–22	8–22
200	152	210	340	340	295	295	125	125	171	230	72	24	8–22	12–22
50	165	210	390	405	350	355	125	125	203	270	72	24	12–22	12–26
300	178	210	440	460	400	410	150	140	230	320	75	26	12–22	12–26
350	190	210	50	520	460	470	150	140	260	350	75	26	16–22	16–26
400	216	320	565	580	515	525	175	165	300	390	126	28	16–26	16–30
450	222	320	615	640	565	585	175	165	335	428	126	30	20–26	20–30
500	229	320	670	715	620	650	210	254	373	450	126	32	20–26	20–33
600	267	340	780	840	725	770	210	254	430	520	127	34	20–30	20–36
700	292	380	895	910	840	840	300	254	470	600	167	36	24–30	24–36
800	318	380	1015	1025	950	950	300	254	523	662	167	36	24–30	24–39
900	330	400	1115	1125	1050	1050	300	254	589	710	193	40	28–33	28–39
1000	410	400	1230	1255	116	1170	300	254	656	780	193	42	28–36	28–42
1200	471	440	1405	1485	1340	1390	300	254	732	840	205	46	32–37	32–49
1400	530	440	1630	1685	1560	1590	300	254	840	905	212	50	36–37	36–49

NO.	Part name	Material
1	Body	ASTM A536 65-45-12, WCB, CF8M Bonded with NBR or EPDM
2	Disc	ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
3	Stem	SS420,SS431
4	Screw	SS304
5	Retainer	SS201
6	Weather seal	NBR
7	Bearing	RPTFE with Graphite on I.D.
8	Lower Stem	SS420, SS431
9	Bottom cover	Same as body
10	Bolt	SS304
11	Screw	SS304

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