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WIKA Diaphragm Seals

For the most difficult measuring tasks, JWF offer WIKA Diaphragm Seals in combination with pressure gauges, pressure switches and pressure transmitters.

Image: Pressure Gauge with flange connection
Pressure Gauge with flange connection
Image: Digital Pressure Gauge with threaded connection
Digital Pressure Gauge with threaded connection
Image: Pressure Transmitter with hygienic diaphragm seal
Pressure Transmitter with hygienic diaphragm seal

Product Videos

Product Range

Threaded - WIKA 990.10

Threaded - WIKA 990.10

Model 990.10 diaphragm seal with threaded connection is suitable for versatile application areas. A replacement of the lower body is possible without modifications on the diaphragm seal system. With this diaphragm seal, high pressure ranges up to 250 bar can be covered.


Flanged - Model 990.27

Flanged - Model 990.27

Model 990.27 diaphragm seal is available in a wide variety of dimensions following the usual standards for this market. The assembly of the diaphragm seal to the measuring instrument may be made via a direct connection, or for high temperatures via a cooling element or via a flexible capillary.


Hygienic - Model 990.18, 990.19, 990.20 and 990.21

Hygienic - Model 990.18, 990.19, 990.20 and 990.21

The model 990.18, 990.19, 990.20 and 990.21 diaphragm seals with threaded connection are particularly suited for use in the food industry including the production of Halal products. The diaphragm seals can withstand the cleaning vapour temperatures occurring in the SIP processes and thus ensure a sterile connection between the medium to be measured and the diaphragm seal. The seals can be fitted to Pressure Gauges, Switches & Transmitters.