What is a capsule-type diaphragm seal?
This type is especially suitable for heterogeneous media, since it is inserted directly into the medium. It has a particularly small space requirement in comparison to other diaphragm seals. The pressure is captured 'at a point'. The seal consists of an oval tube, closed at one end, as a pressure sensor and a connector part welded to it. To stabilise it, the sensor is mounted to a fitting. The adaptation to the measuring point is made using female or male threads.
What is a diaphragm in-line seal?
The diaphragm in-line seal is perfectly suited for use with flowing media. With the seal being completely integrated into the process line, measurements are not affected by any turbulence, corners, dead spaces or other obstructions in the flow direction. The medium flows unhindered and effects the self-cleaning of the measuring chamber. The diaphragm seal consists of a cylindrical cover component which contains a welded-in thin-wall round-pipe diaphragm. This makes the designing of special measuring point connections unnecessary. Different nominal widths allow the in-line diaphragm seals to be adapted to the corresponding pipe cross-section. The pressure range goes up to a maximum of 400 bar for PN 6 ... PN 400 flange connections, with the normal temperature limit being at +752 °F (+400 °C).