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High performance double offset butterfly valve

High performance double offset butterfly valve


The high performance double offset butterfly valve mainly functions for flow shutoff and throttling of the pipeline. As a regulating and shutoff component, it is applicable for water drainage system of water plants, power plants, steel plant, chemical industry, environmental facilities construction.


Features
Double offset design of the valve disc and stem minimizes the wear of the valve seat and the friction of the sealing ring, and ensures airtight closing and sealing within the entire pressure range with zero leakage; the unique two-piece seat design allows the valve seat to be fixed flexibly, quickly and accurately regardless where the valve disc is positioned. The high performance double offset butterfly valve seat is self-adjustable to adapt to the temperature changes and wearing condition. This rugged high performance double offset butterfly valve features reliable performance, pressure and temperature resistance, excellent sealing, and easy in maintenance. It is suitable for being used on waterway pipelines as regulating and throttling equipment.
Technical parameters
-- Nominal diameter: 65~1500mm
-- Service temperature: -29℃~260℃
-- Pressure: Class 150, 300 and 600 ASME
-- Valve body design: Wafer type, lug type and double flange type
-- Valve body material: carbon steel, stainless steel and nickel aluminum copper alloy
-- Valve disc material: stainless steel and nickel aluminum copper alloy

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