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Duplex ball valves have the advantages of both ferritic stainless steel and austenitic stainless steel: austenitic stainless steel reduces the brittleness, maintains excellent toughness and weldability; ferritic stainless steel improves the yield strength, intergranular corrosion resistance and chloride stress corrosion resistance. Weidouli provides a whole range of high-class, customizable and innovative duplex ball valves.

Corrosion Resistance Characteristics of Super Duplex Ball Valves

This hand ball valve owns high strength, high resistance to stress corrosion cracking, corrosion fatigue and erosion.

The hand operated valve has good sulfide stress corrosion resistance.

High energy absorption.

Soft seat or metal seat.

Full bore or reduced bore.

Blow-out proof stem.

Anti-leakage packing and packing box.

We offer different types of industrial valve that can be operated by: handle, gear, air actuators, hydraulic actuators, electric actuators.

Application of Duplex Ball Valves

Oil refining

Fertilizer

Pulp & paper industry

Petrochemical engineering

Devices like Heat exchanger and condensation

Seawater desalination plants

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Weidouli Valves Co., Ltd., is a professional valve vendors, we provide Check Valves, rotary plug control valve, discharge valves, rotary plug valve and etc. Want to know more? Please contact us.