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Model 990.29 Diaphragm Seal with Flange Connection
Brand: WIKA Alexander Wiegand SE & Co. KGDiaphragm 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.
Features- Flange with extended welded diaphragm.
- Common standards and nominal widths available.
- When special materials are selected, all wetted parts are made of the selected material.
- Robust, all welded design.
Specifications
Design
- Flange with integral extended Diaphragm, which Requires Hydraulic fluid to transmit Pressure to instrument.
Process Connection
- 2” to 4” per ASME /ANSI B16.5
Instrument Connection
- Capillary, 1/4” or 1/2” NPT Female
Suitable Pressure Ranges
- 10 inH₂O to Class 1500, depending on flange, Diaphragm size and process conditions
- Aggressive, highly viscous, crystallising or hot media
- Process industry
- Thick-walled or insulated pipelines and vessels