DYD941X-16 electric butterfly valve, electric flange butterfly valve

NegotiableUpdate on 12/13

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Nature of the Manufacturer: Producers

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Overview

The electric flange butterfly valve has a simple structure, small size, and light weight, and is composed of only a few parts. And only need to rotate 90 #176; It can be quickly opened and closed, with simple operation, and the valve has good fluid control characteristics.

Product Details

The electric flange butterfly valve has a simple structure, small size, and light weight, and is composed of only a few parts. And just need to rotate90°It can be quickly opened and closed, with simple operation, and at the same timevalveHas good fluid control characteristics. When the electric flange butterfly valve is in the open position, the thickness of the butterfly plate is the resistance of the medium flowing through the valve body. Therefore, through thisvalveThe pressure drop generated is very small, so it has good flow control characteristics. Electric flange butterfly valves have two sealing types: elastic sealing and metal sealing. Elastic sealing valve, the sealing ring can be embedded on the valve body or attached around the butterfly plate. Valves with metal seals generally have a longer lifespan than those with elastic seals, but it is difficult to achieve sealing. Metal seals can adapt to higher operating temperatures, while elastic seals have the drawback of being limited by temperature. If an electric flange butterfly valve is required for flow control, the main thing is to correctly select the size and type of valve. The structural principle of butterfly valves is particularly suitable for making large-diameter valves. Electric flange butterfly valves are not only widely used in general industries such as petroleum, gas, chemical, and water treatment, but also in cooling water systems of thermal power plants.

■Main technical parameters

●valve body

Valve body form	Direct casting valve
Nominal Diameter	DN50～2000mm
Nominal Pressure	PN1.0The1.6MPa
Flange Standard	JIS B220TheJB/T79TheANSI B16.5-1981TheGB/T9113TheHG20594-97TheHG20618-97wait
connection type	Flange type, clamp type
valve cover type	integrated
Cover type	Pressure plate compression type
sealing packing	VType PTFE packing, flexible graphite packing

●Valve internals

Valve plate form	butterfly shape
flow characteristics	Approximately equal percentage

●actuator

Model of actuator	DYThe3810RTheDZWTheDQWTheQTTheLQ
Main technical parameters	Power supply voltage220V/50HzThe380V/50HzInput signal:4-20mAor1-5V·DCOutput signal:4-20mA·DC
	Protection level: equivalentIP67Explosion proof signs:ExdⅡBT4Hand operated function: joystick
	Ambient temperature-25～+70℃Environmental humidity:≤95%

Note: For detailed actuator parameters, please enterElectric ActuatorView the page.

■Main component materials

1	base	HT200TheWCBTheCF3TheCF3MTheCF8TheCF8M
2	Lower shaft sleeve	Copper alloy304、316
3	valve body	HT200TheWCBTheCF3TheCF3MTheCF8TheCF8M
4	sealing ring	NBRDingqing rubberPTFEThePPL、304、316
5	Pressure plate, butterfly plate	HT200TheWCBTheCF3TheCF3MTheCF8TheCF8M
6	fixed pin	25、35、45
7	Upper valve shaft	2Cr13、304、316The316L
8	Lower valve shaft	2Cr13、304、316The316L
9	Upper shaft sleeve	Copper alloy304、316
10	filler	Polytetrafluoroethylene/flexible graphite
11	packing gland	HT200TheWCBTheCF3TheCF3MTheCF8TheCF8M
12	packing gland	HT200TheWCBTheCF3TheCF3MTheCF8TheCF8M

■Main performance indicators

Nominal DiameterDN(mm)	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
Rated flow coefficientCv	110	180	232	368	656	1000	1760	3390	4730	6700	8900	10500	14800	20500	31000	43000	55600	70700
Allow pressure difference(MPa)	≤Nominal Pressure
Action range	0～90°
leakage	pressGB/T4213-92, forKvThe value of10-4
basic error	±2.5%
backlash	±2.5%
dead zone	1% (adjustable)
adjustable range	50:1

■Main appearance and connection dimensions

Nominal DiameterDN(mm)	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
L	108	112	114	127	140	140	152	165	178	190	216	222	229	267	292	318	330	410
H	112	115	120	140	170	180	210	240	290	320	350	380	410	470	550	640	710	770
n-φd	4-18	4-18	8-18	8-18	8-18	8-22	12-22	12-26	12-26	16-26	16-30	20-30	20-33	20-36	24-36	24-39	28-39	28-42
H1	According to the configurationactuatordetermined by
A	according tovalveDepending on the required torque, the configuration models and external dimensions may vary
D	165	185	200	220	250	285	340	405	460	520	580	640	715	840	910	1025	1125	1255
D1	125	145	160	180	210	240	295	355	410	470	525	585	650	770	840	950	1050	1170

Note: The above parameters are allPN1.6MPaFor other pressure levels, please consult the company's technical department. The dimensions in the table do not include standard attachment data. Additionally, due to possible changes in product improvement and technological innovation parameters, please consult the company's technical department for the latest data.