Pneumatic eccentric hemispherical valve
The Pneumatic Eccentric Hemispherical Valve features a unique eccentric sealing structure and pneumatic actuator for fast, precise operation. Designed for demanding applications involving slurry, wastewater, pulp, and particle-laden media, it offers low torque, excellent sealing performance, reduced wear, and long-term operational reliability in automated industrial systems.
Pneumatic eccentric hemispherical valvePneumatic eccentric hemispherical valve
The Pneumatic Eccentric Hemispherical Valve integrates an advanced eccentric hemispherical disc design with a high-performance pneumatic actuator. The offset sealing mechanism eliminates friction between the sealing surfaces during opening and closing, significantly reducing wear and extending service life.
Its self-cleaning sealing action makes it ideal for handling abrasive, viscous, fibrous, and particle-containing media. The valve provides excellent shutoff capability, low operating torque, and rapid automated control. It is widely used in mining, power plants, metallurgy, wastewater treatment, pulp & paper, and chemical processing industries.
Our Pneumatic Eccentric Hemispherical Valves are manufactured and tested according to international standards:
Pneumatic eccentric hemispherical valve
| Parameter | Specification |
|---|---|
| Product Name | Pneumatic Eccentric Hemispherical Valve |
| Valve Type | Pneumatic Rotary Eccentric Valve |
| Nominal Size | DN50 – DN2000 |
| Pressure Rating | PN10 – PN100 |
| ANSI Class | Class 150 – Class 600 |
| Body Material | Carbon Steel, Stainless Steel, Duplex Steel |
| Hemisphere Material | Stainless Steel, Hard Chrome, Tungsten Carbide |
| Seat Material | Metal Seat, PTFE, Reinforced PTFE |
| Connection Type | Flanged, Wafer, Lug, BW |
| Actuator Type | Pneumatic Double Acting / Spring Return |
| Control Signal | 4–20mA, HART, On/Off |
| Temperature Range | -29°C to +425°C |
| Leakage Standard | API 598 / ISO 5208 |
| Design Standard | API 6D, ASME B16.34, DIN, GB |
| Applicable Media | Slurry, Ash, Pulp, Wastewater, Chemicals |
Pneumatic eccentric hemispherical valve
Suitable for slurry pipelines, tailings transportation systems, and mineral processing plants.
Widely used in ash handling systems, desulfurization units, and cooling water circulation systems.
Controls abrasive process media and high-solid-content fluids.
Ideal for municipal sewage plants and industrial wastewater treatment facilities.
Handles pulp stock, fiber suspensions, and paper-making process fluids.
Suitable for viscous, corrosive, and particle-containing chemical media requiring automated control.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
RELATED PRODUCTS
