Valves for aseptic applications
29 October 2013
Eliminating areas in process systems that may increase the potential for bacteria growth, such as traps and crevices, is an important requirement for control valves used in aseptic applications.
Samson Controls is now able to offer a range of products incorporating these features and manufactured to quality assurance systems certified to ISO 9001 and also meeting FDA requirements.
The Type 3347 control valve features polished steel parts, special PTFE bushings and an additional steam line connection that is used to meet stringent purity requirements, preventing bacteria from spreading at the actuator stem guide.
The Type 3249 valve is equipped with an EPDM diaphragm and a back-up safety packing box to ensure protection against bacteria spreading and prevent product leakage. These sealing systems – which constitute the main components of the valve construction – have been developed and designed to ensure a long and reliable service life.
Process applications which involve pasty, fibrous or highly viscous products can be controlled with the Type 3345 cavity-free valve body, which features a diaphragm available in either rubber, nitrile, butyl or PTFE which acts both as a seal and a valve plug.
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