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General Sealing Application Electric Butterfly Valve with High Sealing Performance

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General Sealing Application Electric Butterfly Valve with High Sealing Performance

Country/Region	china
Categories	Machine Tool Parts

Product Details

Highlight: Electric butterfly valve

Product introduction:

The sealing types of electric wafer butterfly valves for sewage are divided into several forms: triple-eccentric metal-sealed electric wafer butterfly valves, hard-sealed electric wafer butterfly valves, soft-sealed electric wafer butterfly valves, center-line soft-sealed electric wafer butterfly valves, and double-eccentric soft-sealed electric wafer butterfly valves. They are composed of partial rotary electric actuators and wafer butterfly valve bodies. Electric wafer butterfly valves for sewage can be used in occasions with narrow space requirements and short pipeline distances on site.

The butterfly valve body has no connecting rods, bolts, etc., featuring reliable operation, long service life, and multi-station installation without being affected by the medium flow direction. They are widely applied in dust-laden cold or hot air gas pipelines for ventilation and environmental protection projects in industries such as chemical, building materials, power stations, and glass, serving as flow regulation or cut-off devices for gas media.

Product technical parameters:

Nominal Diameter DN (mm)		50~1200
Nominal Pressure PN (MPa)		0.6～4.0
Test Pressure (MPa)	Strength (water)	0.9～6.0
Test Pressure (MPa)	Enclose (Water)	0.66～4.4
Main Components	Body	Stainless steel/Carbon steel/alloy steel
	valve plate	Stainless steel/Carbon steel/alloy steel
	valve stem	2Cr13 stainless steel
	Packing	PTFE, flexible graphite
	Shaft	Stainless steel, PTFE, cemented carbide
Working temperature		-40～570℃
Medium suitable		Water, oil, steam, acid and alkali and other corrosive media

Product features:

Novel and reasonable design, unique structure, light weight, and rapid opening/closing.
Sealing components are replaceable, ensuring reliable bidirectional zero-leakage sealing performance.
Sealing materials feature aging resistance, corrosion resistance, and a long service life.
The two-piece valve stem is pinless connected, with a simple and compact structure for easy maintenance.
The valve seat seal and backrest are integrated to reduce seat deformation.
The valve stem axial positioning device enhances sealing and reduces valve torque.
Can be installed in any position for easy maintenance.