Hygienic 2-way bellows control valve for small flow rates

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Hygienic 2-way bellows control valve for small flow ratesWith the Type 2380 Bürkert proves that it is possible to combine standard features with custom options in one advanced valve concept. The compact bellows control valve with a hygienic design for neutral and aggressive media opens up possibilities for numerous applications, including innovative modular options.

The new 2-way bellows control valve from Bürkert is a pneumatically actuated process valve with a single action membrane drive. A PTFE bellows ensures the reliable separation of the media from the drive. The valve is constructed in full compliance with hygienic design requirements and is well suited for demanding control tasks with small flow rates, for which membrane valves are not suitable. Applications include food and beverage production, pharmaceuticals and biopharmaceuticals, cosmetics and speciality chemicals. The bellows control valve is available in diameters from DN6 to DN20 and can be combined with seat diameters from 3mm to 10mm. The space-saving drive has a low internal volume, resulting in the compact design and short response times of this valve type. Type 2380 valves feature good control action due to the low-friction design, in addition to a linear characteristic curve. The correction time is generally less than one second.

The standard bellows control valve is a new addition to the ELEMENT system; in combination with four different Type 869x positioning and process valves of the ELEMENT series, as well as different connections (sleeve, clamp and welded connection) and a large choice of bodies and block options, it enables creation of a modular system with numerous options. The Type 2380 is designed for control functions such as the control of gases in fermentation processes and bioreactors, as well as dosing applications with small flow rates. On the basis of this valve type the fluidics experts at Bürkert have developed an innovative approach for overlying liquid nitrogen in liquid storage tanks or fermenters. The block system consists of a pressure sensor, two bellows control valves and two ELEMENT positioners. As opposed to the previous control concepts available on the market, this approach reliably prevents contamination, foaming and cleaning problems common in fermenters.

Please follow the link for details and a datasheet for the 2380 hygienic 2-way bellows control valve.

15 August 2016

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