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Electric Eccentric Hemisphere Valve

Motor-Operated Eccentric Hemisphere Valve

Electric Eccentric Hemisphere Valve

Size Range: DN100-DN1400
Pressure Range: PN1.6~25MPa
End Connection: Flanged, Welded
Material: WCB, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L)
Valve Design: Motorized Eccentric Hemisphere, Body-Loading
Applicable temperature: -46 ℃~500 ℃
Suitable Medium: Water, Oil, Gas

Product Overview

The Electric Eccentric Hemisphere Valve integrates advanced automation and a unique eccentric design, offering precise flow control, durability, and excellent sealing performance. The motorized actuator ensures efficient and reliable operation, suitable for handling high-pressure and high-temperature conditions. Designed for a wide range of industrial applications, this valve is built to handle abrasive and viscous mediums with ease, making it ideal for demanding environments.

Product Features

◇Structural characteristics and uses

Hemisphere-Valve

1.Low Pressure Loss: When fully open, the flow path is straight and unrestricted, resulting in negligible pressure drop. The medium flows smoothly without sediment accumulation inside the valve body.

2.Excellent Wear and Erosion Resistance: The valve’s ball and seat form a shear action during operation, effectively preventing scaling and abrasion. During closing, the ball only contacts the seat at the final stage, minimizing wear. Suitable for conveying media with suspended solids, fine particles, or crystallized substances.

3.Ideal for Slurry and Abrasive Media: The straight-through flow path and eccentric shaft design ensure stable operation with minimal flow resistance and vibration, making it well-suited for harsh slurry applications.

4.Reliable Sealing: Zero leakage under proper working conditions. The ball and seat ensure tight shutoff even under high-pressure, high-frequency cycling conditions, resulting in extended service life.

5.Easy Maintenance: The valve can be serviced without removing it from the pipeline. Seat and packing replacement can be done online, minimizing downtime.

6.Wide Range of Applications: Suitable for water, wastewater, slurry, ash, steam, natural gas, oil, and other industrial fluids, including those with corrosive or abrasive content.

Specification Parameters

◇Implementation of standards

1、Design and manufacture:GB/T 12237-1989
2、Inspection and test:GB/T 13927-1992
3、Flange connection:GB/T 9113.1-2000
4、Structure length:JD-2004

Main Components Material

Body Grey cast iron  Ductile Iron Cast steel
Bonnet Grey cast iron Ductile Iron Cast steel
Stem 2Cr13 2Cr13 2Cr13
Seat Stainless steel Stainless steel Stainless steel
Spherical Ductile iron cover rubber, stainless steel Stainless steel Rubber covered steel / stainless steel
Hemisphere Grey cast iron Ductile Iron Cast steel

Hemisphere-Valve

Specification Applications

Electric Eccentric Hemisphere Valves are ideal for slurry, ash, wastewater, and fibrous pulp systems. They provide tight shut-off, low torque, and excellent anti-clogging performance in power plants, papermaking, chemical processing, and sewage treatment applications.

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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