![]() ![]() The “Vario” extends the existing STEVI ® range consisting of STEVI ® Smart (Series 440/441) – the classic standard valve for universal applications – and STEVI ® Pro (Series 470/471) – the highperformance control valve for critical applications. The extended service life is a further advantage. It is precise and durable because vibration is prevented even at high differential pressures. The new “Vario” has a variable actuator design and is incredibly flexible thanks to the changeable, variable trim. STEVI Vario – the new, variable, compact control valve! Optimised characteristic permits shut-off and control function.Elastic stainless steel and graphite sealing ring.Now also with butt weld ends or as a fully lugged, wafer flange version in Class 600 (PN 63/100) Manual gearbox, pneumatic, electric, hydraulic drives ![]() Longer service life due to protection of the seat ring against negative flow influences.High energy efficiency due to flow-optimised mounted valve disc.Long life thanks to reduced contact pressure between the disc and the metal sealing ring (only minimal frictional pressure).Reliability, even for application with high requirements.ZEDOX – the double offset high performance valve with metallic sealing ![]()
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