Electric Actuated Ventilation Butterfly Valves

Main Technical Data:

Nominal diameter: DN200~4000mm  8″~160″inch

Pressure rating: PN=0.05Mpa, 0.25Mpa, 0.1Mpa, 0.6Mpa

Working temperature: ≤350℃

Medium flow rate: ≤25m/s

Standard: ANSI, DIN, API, ISO, BS

Actuator: gear operator, electric actuator

Medium: flue gas, air, gas, dust gas, etc.

Product Detail

Product Tags

▪ Worm gear operator or electric actuator driving mode.
▪ The valve is welded with high-quality steel plate.
▪ Can open and close easily with sensitive action and reliable performance.
▪ Large diameter and light weight.
▪ Easy to use and maintain.
▪ Unsealed type, used to regulate the flow rate of medium.

▪ Test pressure:
Shell Test Pressure 1.5 x PN
Seal Test: leakage rate 1.5% or less


Material Specifications

Part Material
Body 0235, cast steel, stainless steel, Cr.Ni.Mo.Ti steel, Cr.Mo.Ti steel
Disc 0235, cast steel, stainless steel, Cr.Ni.Mo.Ti steel, Cr.Mo.Ti steel
Stem Carbon steel, 2Cr13, stainless steel, Cr.Mo.Ti steel
Seat Same material as valve body
Sealing Ring Same material as valve body
Packing Fluoroplastics, flexible graphite



▪ It is applicable to the gas pipeline of heating, ventilation and environmental protection systems in electricity generation, metallurgy, mining, cement, chemical industry and other industries for regulating the flow rate of medium.

Your Valve Solutions Provider
▪ Butterfly valves used in a variety of operating conditions shall meet the following requirements: robust and reliable structure, high cost-effective, and customers' request. We are committed to innovating and developing new customer-oriented products, which reflect the high quality in engineering construction and installation or in production and operation.

Picture 1

▪ Our kinds of butterfly valves can be used in drinking water, non drinking water, sewage, gas, particles, suspension, etc.
Therefore, they can be used in urban water supply and drainage, hydraulic engineering, gas, natural gas, chemical industry, petroleum, electric power, metallurgy and other industries, and have been highly praised by customers."

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