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Home > Products > Butterfly valve > D941WElectric flange ventilating butterfly valve

Description Material Performance Product Size Specifications

一、Products [electric flange ventilation butterfly] details：

Product model：D941W

Product name：Electric flange ventilating butterfly valve

Product features: Electric flange type ventilation butterfly valve, pneumatic flange type ventilation butterfly valve, flange type ventilation butterfly valve use and characteristics. The butterfly valve adopts the same material as the valve body to be processed into a sealing ring. The suitable temperature and body material, nominal pressure is less than 0.6MPa, suitable for general ventilation for regulating media flow in industry, metallurgy, environmental protection and other pipeline. Its main features are: 1, design novel, reasonable, unique structure, light weight, open and close quickly. 2, operating torque is small, easy to operate, labor-saving dexterity. 3, the use of materials to meet the low, medium and high temperature of different media and corrosive media.

Part name	Material Science
valve body	Cast steel, stainless steel, nickel chromium molybdenum steel, chromium molybdenum titanium and other special materials
Disc	Cast steel, stainless steel, nickel chromium molybdenum steel, chromium molybdenum titanium and other special materials
Seal ring	Same as valve body
The stem	carbon steel、2Cr13、Stainless steel, nickel chromium molybdenum steel
filler	Fluorine plastics, flexible graphite

Design standard：GB/T12238-1989；JB/T8692-1998
Flange connection size：GB/T9115.1-2000
Structure length：GB/T12221-1989
Pressure test：GB/T13927-1992；JB/T9092-1999

三、D641W-0.5/2.5/6 C.P.R.VSeries ventilation butterfly valve connection dimensions：

Nominal diameter		Structure length (standard value)	Outline dimension (reference value)				Connection dimension (standard value)						Reference weight（kg）
Nominal diameter		Structure length (standard value)	Outline dimension (reference value)				0.05MPa和0.25MPa			0.6MPa			Reference weight（kg）
毫米	英寸	L	H	H0	A	B	D	D1	n-d	D	D1	n-d
50	2	108	70	337	180	65	140	110	4-14	140	110	4-14	16
65	2 1/2	112	80	357	180	65	160	130	4-14	160	130	4-14	17
80	3	114	95	385	180	65	190	150	4-18	190	150	4-18	19
100	4	127	105	405	180	65	210	170	4-18	210	170	4-18	22
125	5	140	120	483	245	72	240	200	8-18	240	200	8-18	27
150	6	140	132	508	245	72	265	225	8-18	265	225	8-18	31
200	8	152	160	566	245	72	320	280	8-18	320	280	8-18	47
250	10	165	187	623	245	72	375	335	12-18	375	335	12-18	68
300	12	178	220	750	355	93	440	395	12-22	440	395	12-22	79
350	14	190	245	803	355	93	490	445	12-22	490	445	12-22	130
400	16	216	270	852	355	93	540	495	16-22	540	495	16-22	141
450	18	222	297	907	355	93	595	550	16-22	595	550	16-22	190
500	20	229	322	960	355	93	645	600	20-22	645	600	20-22	225
600	24	267	377	1080	550	350	755	705	20-26	755	705	20-26	245
700	28	292	430	1185	550	350	860	810	24-26	860	810	24-26	320
800	32	318	487	1300	550	350	975	920	24-30	975	920	24-30	405
900	36	330	537	1400	550	350	1075	1020	24-30	1075	1020	24-30	500
1000	40	410	587	1500	550	350	1175	1120	28-30	1175	1120	28-30	700
1200	48	470	702	1825	600	350	1375	1320	32-30	1405	1340	32-33	750

四、D941W-0.5/2.5/6 C.P.R.VSeries ventilation butterfly valve connection dimensions：

Nominal diameter		Structure length (standard value)	Outline dimension (reference value)				Connection dimension (standard value)						Reference weight（kg）
Nominal diameter		Structure length (standard value)	Outline dimension (reference value)				0.05MPa和0.25MPa			0.6MPa
millimeter	inch	L	H	H0	A	B	D	D1	n-d	D	D1	n-d
50	2	108	70	418	250	225	140	110	4-14	140	110	4-14	42
65	2 1/2	112	80	438	250	225	160	130	4-14	160	130	4-14	53
80	3	114	95	466	250	225	190	150	4-18	190	150	4-18	62
100	4	127	105	486	250	225	210	170	4-18	210	170	4-18	81
125	5	140	120	516	325	245	240	200	8-18	240	200	8-18	90
150	6	140	132	541	325	245	265	225	8-18	265	225	8-18	100
200	8	152	160	779	325	245	320	280	8-18	320	280	8-18	110
250	10	165	187	836	363	313	375	335	12-18	375	335	12-18	145
300	12	178	220	901	363	313	440	395	12-22	440	395	12-22	160
350	14	190	245	954	363	313	490	445	12-22	490	445	12-22	215
400	16	216	270	1003	363	313	540	495	16-22	540	495	16-22	230
450	18	222	297	1058	465	439	595	550	16-22	595	550	16-22	250
500	20	229	322	1111	546	556	645	600	20-22	645	600	20-22	260
600	24	267	377	1233	546	556	755	705	20-26	755	705	20-26	370
700	28	292	430	1338	546	556	860	810	24-26	860	810	24-26	400
800	32	318	487	1452	546	556	975	920	24-30	975	920	24-30	560
900	36	330	537	1588	632	706	1075	1020	24-30	1075	1020	24-30	80
1000	40	410	587	1689	632	706	1175	1120	28-30	1175	1120	28-30	660
1200	48	470	702	1938	632	706	1375	1320	32-30	1405	1340	32-33	950
1400	56	530	782	2670	790	1338	1575	1520	36-30	1630	1560	36-36	1280
1600	64	600	895	2810	868	1476	1790	1730	40-30	1830	1760	40-36	1510
1800	72	670	995	3020	868	1476	1990	1930	44-30	2045	1970	44-39	2500
2000	80	760	1095	3220	965	1600	2190	2130	48-30	2265	2180	48-42	2900

Nominal diameter	DN(mm)	50~2000
Nominal pressure	PN(MPa)	0.05	0.25	0.6
Test pressure Ps(MPa)	strength test	0.075	0.375	0.9
	Seal test	≤1.5%Leakage rate
Applicable medium	Gas, dust gas, flue gas, etc.。
Driving form	Pneumatic drive, electric drive。

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