| Features ・ As it complies with JIS B 2032, which is defined as the butterfly valve standard, it is compatible with existing JIS standard butterfly valves ・ The upper flange dimension adopts ISO 5211, which makes the actuator compatible ・ Gear-operated type compliant with the standard specifications for public construction work ・ By adopting a spherical sheet, even contact with the inner circumference with even force makes it possible to reduce torque and improve durability |