Low-maintenance on/off and control valves are essential in the food and process industry. They control the flow of gases, steam or liquids, for example in auxiliary processes such as CIP, reverse osmosis or temperature control. Bürkert now offers a wide range of electric motor and pneumatically operated on/off and control valves specially suited for these applications, with extended pressure and temperature ranges. Thanks to special sealing materials, the valves with stainless steel valve bodies work without any problems with media up to 25 bar gauge pressure and temperatures between -40 and +230 °C. The rated service life at 200 °C is more than one million switching cycles.
Sealing materials and lubricants suitable for foodstuff, fuel gases or oxygen allow the valves to be used with other media, for example for cleaning and flushing purposes, for heat carriers or saturated steam at 20 bar and 215 °C. So they can be used to switch and control all common gases and liquids for heating and cooling purposes in the specific process as well as in traditional CIP processes. It is also possible to use them with heat transfer oils.
The valves are available in different versions with straight-seat on/off and control valves as well as with angle seat on/off and control variants. The stainless steel bodies offer flange, weld, thread or clamp connections in DNs from DN 10 to 100 or NPS 3/8 to 4″. Design details take into account the special requirements of the areas of application.
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