Flange Butterfly Valve

Electric flange soft sealing butterfly valve

Nominal diameter DN(mm)		DN50~DN500
Nominal pressure		PN1.0MPa	PN1.6MPa
Test pressure	Strength test	PN1.5MPa	PN1.6MPa
	Sealing test	PN1.1MPa	PN1.76MPa
Main spare parts	Valve body	Ductile cast iron,cast steel, cast stainless steel
	Valve board	gray pig iron, ductile cast iron, forged steel, stainless steel, etc.
	Valve shaft	Carbon steel, stainless steel
	Sealing circle	Rubber,teflon, ethylene terpolymerization
	padding	Tetrafluoroethylene,flexible graphite
Applying working condition	Applying medium	Water, air, oil,etc.
	Applying temperature	≦110℃

Performance Characters

1. The design is novel, reasonable, unique in structure, light in weight and quick in opening and closing.

2. Small operation moment, easy to operate and easy to operate.

3. It can be installed in any position and convenient for maintenance.

4. Sealing parts can be replaced, seals can be reliable and can be sealed in two ways.

5. The sealing material is resistant to aging, corrosion resistance and long service life.

The matching actuator parameters are as follows

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QT Modulating Quarter-turn Electric Actuator

QT series modulating type electric actuators are suitable for controlling butterfly valve, ball valve, plug valve, they can make such valves rotate at 90.The product has the following features: Small volume, light weight, high efficiency, high reliability, high protection property and low noises etc. The unit can be operated on site, and controlled in long distance. And it can be widely used in various industries, such as petroleum, chemical industry, power plant, water treatment, and paper making industry etc.

The company has developed new intelligent actuator; selection function is increased on the basis of switch type actuator, which increased more selection space for users with different demands

Product Parameters

QT1-4 (220V single phase motor )Model specifications and key performance parameters

Model	Specification	Output torque (Nm )	Output speed (min)	Power (KW)	Capacitance (uF/250V)	Rated current (A)	Running time 90°（S）	Weight (kg)
QT1	QT04-0.86	40	0.86	0.01	2.5	0.41	17.5	6
QT1	QT06-0.86	60	0.86	0.015	4	0.52	17.5	9
QT1	QT09-0.86	90	0.86	0.025	4	0.70	17.5	10
QT2	QT15-0.73	150	0.73	0.04	7	1.1	20.6	12
QT2	QT19-0.73	190	0.73	0.04	8	1.1	20.6	13
QT 3	QT28-0.57	280	0.57	0.04	7	1.1	26.3	17
QT3	QT38-0.57	380	0.57	0.06	10	1.5	26.3	18
QT3	QT50-0.57	500	0.57	0.09	12	2.1	26.3	19
QT4	QT60-0.5	600	0.50	0.12	15	2.1	29.4	22
QT4	QTS0-0.5	800	0.50	0.18	20	3.63	29.4	23
QT4	QT100-0.5	1000	0.50	0.20	30	4.09	29.4	25

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QT Series Outline Dimensions

Type	A1	A2	A3	B1	ΦD	ΦD1	E	H1	H2	L	L1	P	q	U
QT1	44	17	36	68	100	170	27.5	60	256	179	62	109	187	190
QT2	49.5	22.5	30	77.5	200	200	27.5	64	263	187	85	113	210	190
QT3	60	33	35	77	250	220	27.5	70	298	202	88	119	213	190
QT4	70	43	35	87	250	260	27.5	78	342	225	106	127	231	190

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