990.41 Pressure interface with WIKA flange
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Delivery time: approximately 3-4 weeks
Pressure range: depends on flange and version
internal membrane with high working capacity and wide temperature range
special materials available
flushing connections also available (optional)
large diaphragm diameter results in lower instrument drift with temperature change
990.41 Pressure interface with flange (diaphragm separator) protects pressure measuring instruments in applications with difficult media. The pressure interface affects the separation of instrument and medium.
By combining measuring instruments and pressure interfaces, even the most difficult measurement requirements can be met. The pressure is transmitted to the measuring instrument via a filling fluid system within the pressure interface system. A wide range of designs, materials and system fillers are available to meet customer requirements. The type of process connection (threaded, flanged or hygienic) and the basic manufacturing method are important criteria for product differentiation. The 990.41 is ideal for applications with small process connections. Thanks to the internal membrane, low measuring ranges can be achieved. The pressure interface can be attached to the measuring instrument by direct connection, or at high temperatures via a cooling element or flexible hose.
WIKA offers different solutions for the choice of material, where the top part, the bottom part and the membrane can be made of the same or different materials. Alternatively, the lower part of the interface and the membrane may also be coated or covered with a foil.
Fields of application, applications 990.41
for aggressive, hot and contaminated media
chemical process and petrochemical industries (high metrological requirements)
filter monitoring and fluid level measurement
Suitable for low pressure measuring devices and differential pressure gauges
All functions of the 990.41 can be controlled with the Diaphragm Seal Calculation Software.