Electric metal hard sealing butterfly valve

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Electric metal hard sealing butterfly valve

Model: D943H
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN0.6 ~ 2.5MPa
Drive: worm gear, electric, pneumatic, hydraulic
manufacturing standards: JB / T 8527-97
Flange Standard: GB9113-2000
Structure length Standard: GB12221-89
Test standard: GB / T 13927-92

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Electric metal hard sealing butterfly valve main technical parameters

Nominal diameter DN (mm)	50 ~ 2000
Nominal pressure PN (MPa)	0.6	1.0	1.6	2.5
Seal test (MPa)	0.66	1.1	1.76	2.75
Strength test (MPa)	0.9	1.5	2.4	3.75
proper temperature	Carbon steel: -29 ℃ ~ 425 ℃ Stainless steel: -40 ℃ ~ 650 ℃
Suitable media	Water, air, natural gas, oil and weak corrosive fluids
Leak rate	In line with GB / T13927-92 standards
Drive mode	Worm gear, electric, pneumatic, hydraulic

Electric metal hard sealing butterfly valve main components and materials

Part Name	material
Body	WCB, alloy steel, stainless steel, QT450-10
Butterfly plate	WCB, alloy steel, stainless steel, QT450-10
Valve shaft	2Cr13 stainless steel, alloy steel
Sealing ring	Stainless steel ring
filler	Flexible graphite

Electric metal hard sealing butterfly valve connection size

Nominal diameter (DN)	Main dimensions			Flange size and bolt size
	Main dimensions			1.0MPa			1.6MPa			2.5MPa
	L	H1	H	D	D1	n-Фd	D	D1	n-Фd	D	D1	n-Фd
50	108	530	112	165	125	4-18	165	125	4-18	165	125	4-18
65	112	530	115	185	145	4-18	185	145	4-18	185	145	8-18
80	114	565	120	200	160	4-18	200	160	8-18	200	160	8-18
100	127	600	138	220	180	8-18	220	180	8-18	235	190	8-22
125	140	640	164	250	210	8-18	250	210	8-18	270	220	8-26
150	140	705	175	285	240	8-22	285	240	8-22	300	250	8-26
200	152	775	200	340	295	8-22	340	295	12-22	360	310	12-26
250	165	945	243	395	350	12-22	405	355	12-26	425	370	12-30
300	178	1070	250	445	400	12-22	460	410	12-26	485	430	16-30
350	190	1140	280	505	460	16-22	520	470	12-26	555	490	16-33
400	216	1210	305	565	515	16-26	580	525	16-26	620	550	16-36
450	222	1335	350	615	565	20-26	640	585	16-30	670	600	20-36
500	229	1415	380	670	620	20-26	715	650	20-30	730	660	20-36
600	267	1605	445	780	725	20-30	840	770	20-33	845	770	20-39
700	292	1844	480	895	840	24-30	910	840	24-36	960	875	24-42
800	318	2040	530	1015	950	24-33	1025	950	24-39	1085	990	24-48
900	330	2255	580	1115	1050	28-33	1125	1050	28-39	1185	1090	28-48
1000	410	2380	650	1230	1160	28-36	1255	1170	28-42	1320	1210	28-56
1200	470	2640	760	1455	1380	32-39	1485	1390	32-48	1530	1420	32-56
1400	530	2886	850	1675	1590	36-42	1685	1590	36-48	1755	1640	36-62
1600	600	3156	1030	1915	1820	40-48	1930	1820	40-56	1975	1860	40-62
1800	670	3421	1230	2115	2020	44-48	2130	2020	44-56	2195	2070	44-70
2000	760	3685	1350	2325	2230	48-48	2345	2230	48-62	2425	2300	48-70

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