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Gear Operated Hard Seal Trip Eccentric Butterfly Valve

Gear Operated Hard Seal Trip Eccentric Butterfly Valve

– The products have passed ISO9001 and CE certification.
– The valve life is guaranteed for 5 years.
– We provide one-stop sourcing service for you.
– The dozens of series of ball valves, butterfly valves, electric actuators, pneumatic actuators, and accessories.

COVNA company main produce: Gear Operated Hard Seal Trip Eccentric Butterfly Valve

Features & Benefits

• Hard-seal butterfly valve is a kind of component used to realize the on-off and flow control of pipeline system.

• It has been widely used in many fields such as petroleum, chemicaal industry, metallurgy, and hydropower. In
the known butterfly valve technology, the sealing structure is mostly a sealed structure, and the sealing material is rubber, PTFE, and the like. Due to strucctural limitations, it is not suitable for high temperature, high pressure, corrosion and wear resistance industries.

• The existing one of the more advanced butterfly valves is a three-eccentric metal hard-seal butterfly valve.

• The valve body and the valve seat are connected components, and the valve seat sealing surface layer is surfacing with temperature-resistant and corrosion-resistanit alloy materials.

• The multi-layer soft stack seal is fixed on the valve plate.

• Compared with the traditional butterfly valve, this type of butterflyvalve has high temperature resistance, easy
operation, no friction when opening and closing, and the seal is increased whmen the torque of the transmission mechanism is increased during closing.

• The sealing performance and the advantages of prolongedservice life.

Main Specification

Nominal SizeOperated TypeWork PressureWork TemperatureDisc/Body MaterialMediumApplicationConnection Standard
DN50 → 250Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear0.6-4.0MpaWCB, -15-85°C, Stainless Steel, -40°C-600°CWCB, SS304, SS316Water, Steam, Oil, Acid Corrosion, EctFood, Medicine, Chemical Industry, Power Plant, Steel Mill, Industrial environmental protectionGB/T9115.1-2000, GB/T9115.2-2000, ASME B16.5, ASME B 16.47

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COVNA company main produce: Gear Operated Hard Seal Trip Eccentric Butterfly Valve

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