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NEW from ARI! STEVI®AS control valve with stainless steel actuator

23 August 2011

The STEVI®AS Y-pattern process valve from ARI-Armaturen is now also available with stainless steel actuation. Impervious to outside weather conditions or the effects of cleaning liquids, the stainless steel actuation package on the STEVI®AS will remain pristine after hose-down making it ideal for use in sterile applications.

The STEVI®AS is reliable even at high differential pressures and will deliver unbeatable power and tight shut-off for up to 1,000,000 strokes. The superior, self-adjusting stem sealing system, composed of a spring loaded PTFE-V-ring unit and a burnished stem with double bearing, ensures a tight seal on closing with zero leakage. Water hammer is reduced to a minimum due to the damped closing function and it delivers exceptional economy due to the flow-optimised Y-pattern body design which facilitates large strokes and excellent flow capacities, leading to energy savings of up to 31%.

Commenting on the company’s latest product development, Nick Davies, Sales Director at ARI-Armaturen UK, said, “STEVI®AS valves are available with stainless steel (1.4408) butt weld ends, flanged or clamp connections. Now, with the introduction of a stainless steel actuator (ATG 50, 80 and 125), we have introduced even more flexibility to the range of options available to our customers. The actuator ambient temperature range is from -10ºC to +60ºC and the stainless steel construction makes it ideal for a wide range of applications requiring regular hose-down. 

As well as offering unparalleled levels of leak-tightness and valve longevity, the STEVI®AS offers convenient handling due to plug-in connectors which make connection to the control line quick and easy for our customers because no screw joint is required for compressed air. Handling is made even more convenient with 360º actuator manoeuvrability, spring loaded PTFE-V-ring unit and a visible position indicator which is fitted as standard.”

The STEVI®AS is highly versatile due to the bidirectional approach flow to the plug and flexibility is further extended with a range of optional components including travel limiter, limit switch (inductive or mechanical), handwheel for emergency operation, 3/2-way solenoid valve or NAMUR adapter plate.

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