Fast delivery China Long Pattern Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve

Short Description:

This butterfly valve is suitable for the installation of oil, chemical, metallurgy, water supply and drainage, industrial environment protection and other process flow and process flow.

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Material of main parts:

Part name	Material
Valve body	Cast iron, nodular cast iron, cast steel, stainless steel
Valve disc	Ductile iror nickel plated, stainless steel, PTFE
Valve seat	NBR, EPDM,sea water, VITON,PTFE
Valve stem	Stainless steel,45# nickel plated
Seal	NBR, EPDM, Neoprene .PTFE, Oily packing

Specification

PN(MPa) Nominal pressure	1.0	1.6
(MPa) Seal test	1.1	1.76
(MPa) Strength test	1.5	2.4
Suitable mediums	Water,sewage,sea water.acid and alkali
°C Working temperature	-21~150

Main dimensions

DN(mm)	L	L1	D		D1		D3	D4	H1	H2	H3	b	n-ød
DN(mm)	L	L1	1.0	1.6	1.0	1.6	D3	D4	H1	H2	H3	b	1.0	1.6
50	108	160	165	165	125	125	77	57	83	130	60	18	4-ø18	4-ø18
65	112	160	185	185	145	145	77	57	93	140	60	18	4-ø18	4-ø18
80	114	160	200	200	160	160	77	57	100	150	60	20	8-ø18	8-ø18
100	127	160	220	220	180	180	92	70	110	165	60	20	8-ø18	8-ø18
125	140	160	250	250	210	210	92	70	123	180	60	22	8-ø18	8-ø18
150	140	160	285	285	240	240	92	70	143	200	60	22	8-ø22	8-ø22
200	152	210	340	340	295	295	115	89	171	230	72	24	8-ø22	12-ø22
250	165	210	390	405	350	355	115	89	203	270	72	24	12-ø22	12-ø26
300	178	210	440	460	400	410	140	108	230	320	758	26	12-ø22	12-ø26
350	190	210	500	520	460	470	140	108	260	350	75	26	16-ø22	16-ø26
400	216	320	565	580	515	525	197	159	300	390	126	28	16-ø26	16-ø30
450	222	320	615	640	565	585	197	159	335	428	126	30	20-ø26	20-ø30
500	229	320	670	715	620	650	197	159	373	450	126	32	20-ø26	20-ø33
600	267	340	780	840	725	770	276	216	430	520	127	34	20-ø30	20-ø36
700	292	380	895	910	840	840	300	254	470	600	167	36	24-ø30	24-ø36
800	318	380	1015	1025	950	950	300	254	523	662	167	36	24-ø30	24-ø39
900	330	400	1115	1125	1050	1050	300	254	589	710	193	40	28-ø33	28-ø39
1000	410	400	1230	1255	1160	1170	300	254	656	780	193	42	28-ø36	28-ø42