Your Trusted Partner for High-Quality Valve Solutions

Pneumatic Eccentric Hemisphere Valve

Pneumatic-Eccentric-Hemisphere-Valve

Pneumatic Eccentric Hemisphere Valve

Material: Carbon steel, stainless steel (304, 316)
Size Range: DN100-DN1400
Connection Options: Flanged (RF, RJ), butt-welded
Working Pressure: Commonly PN16 to PN250 (Class 150 to Class 1500)
Sealing Options: Metal-to-metal, soft seals (PTFE, EPDM)
Manufacturing Method: Casting or forging
Applicable Medium: Water, steam, oil, gas, slurries, and other industrial fluids

Product Overview

The Pneumatic Eccentric Hemisphere Valve is engineered for precise flow control in industrial applications. Its unique eccentric design ensures tight sealing and minimal wear, enhancing durability and performance. The valve is actuated pneumatically, allowing for rapid and automated operation, making it suitable for systems requiring efficient flow regulation.

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

BodyGrey cast iron Ductile IronCast steel
BonnetGrey cast ironDuctile IronCast steel
Stem2Cr132Cr132Cr13
SeatStainless steelStainless steelStainless steel
SphericalDuctile iron cover rubber, stainless steelStainless steelRubber covered steel / stainless steel
HemisphereGrey cast ironDuctile IronCast steel

Hemisphere-Valve

Specification Applications

Pneumatic Eccentric Hemisphere Valves are ideal for high-viscosity, slurry, and fiber-containing fluids. Commonly used in:

  • Pulp & paper, chemical, power, and wastewater treatment industries

  • Suitable for abrasive, scaling, or clog-prone media

  • Offers tight shutoff, low flow resistance, and anti-blockage design

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

Related Products

Get In Touch

Discover our premium valve solutions and boost your efficiency. Contact
us now to find out how we can support your needs with top-quality
products and exceptional service.