Yokogawa has extended its lineup of DPharp EJA series differential pressure/pressure transmitters with the EJAC60E hygienic adaptor system. This consists of the EJA560E hygienic gauge pressure transmitter and adapters of different sizes and connection types. It does not use silicone oil or any other type of fluid as a sealant, eliminating the risk of contamination in the process fluid. It is well suited to the specific requirements of the food and pharmaceutical industries.
On food and pharmaceutical production lines, pressure transmitters often rely on a pressure detector with a silicone oil-filled diaphragm to transfer pressure to a sensing component. However, there is a risk that applications such as steam cleaning and high pressure water cleaning could damage the diaphragm and result in the process fluid becoming contaminated with the silicone oil. Fluidless pressure detectors are a solution to this problem. Yokogawa’s DPharp transmitters use conventional silicone oil-filled diaphragms to measure pressure, but to meet the need for a fluidless pressure transmitter, a fluidless pressure sensor is incorporated. This benefit is combined with features such as an LCD display, range setting and versatile communications that come standard with all DPharp EJA series instruments.
The EJAC60E hygienic adaptor system is also very easy to install. Food and pharmaceutical production lines have pipes of all sizes and require a variety of connections. To accommodate these needs and facilitate the construction of such facilities, there are a total of 16 adaptors of different sizes and connection types.
In addition, the diaphragm in the transmitter’s pressure detector can be easily removed for cleaning or replacement. Certification to the 3-A sanitary standard is expected this year.
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