Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF6 gas solutions from WIKA are an integral component of our customers' business processes.
This is why we consider ourselves to be not just suppliers of measurement components but rather more a competent partner that offers comprehensive solutions in close co-operation with our customers – customised and precisely designed products for the exact requirement.
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For the pulp and paper industry
WIKA Bulgaria EOOD
Description
Diaphragm seals are used for the protection of pressure measuring instruments in applications with difficult media. In diaphragm seal systems, the diaphragm of the diaphragm seal effects the separation of the instrument and the medium.The pressure is transmitted to the measuring instrument via the system fill fluid which is inside the diaphragm seal system.
For the implementation of demanding customer applications, there are a wide variety of designs, materials and system fill fluids available.
For further technical information on diaphragm seals and diaphragm seal systems see IN 00.06 "Application, operating principle, designs".
The model 990.23 diaphragm seal has been developed for use in pulp manufacture or waste-paper processing applications.
Mounting of the diaphragm seal to the measuring instrument may be made via a direct connection, for high temperatures via a cooling element or via a flexible capillary. Furthermore, versions with 90° pipe elbow and vibration damper are available.
For the material selection WIKA offers a variety of solutions, in which the upper body of the diaphragm seal and the wetted parts can be made of identical or different materials. The wetted parts can, as an alternative, be coated.
Model 910.17
For measuring instruments and instrumentation accessories
Model 910.16
Model 910.21
For mounting to zone 0 (EPL Ga)
Model 990.35
Cell-type with extended diaphragm
Model 990.28
Cell-Type (Sandwich) Seals
Model 990.29
Flange-type with extended diaphragm
Model 990.27
With flush diaphragm
Model 990.26
With internal diaphragm
Model 990.41
With internal diaphragm, threaded design, large working volume
Reduced risk - Diaphragm seal systems for safety applications (PDF)
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