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Diaphragm Seals

WIKA

990.17 Sterile Connection Diaphragm Seal

Thanks to its flush process connection, the WIKA 990.17 diaphragm seal is optimally suited for installation in storage tanks. With a suitable welding flange, this diaphragm seal can be integrated into any type of tank or vessel. Level measurement with diaphragm seals also works with media that, due to the process, are under pressure and have high or low viscosity.

Price and delivery time will be given on request
Pressure range 0 ... 1 bar to 0 ... 40 bar
Level of cleanliness of wetted parts Oil and grease free per ASTM G93-03 level F WIKA standard (< 1,000 mg/m²)
Surface roughness of wetted parts Ra ≤ 0.76 μm per ASME BPE SF3 (except for weld seam)
Material Stainless steel 1.4435 (316L)
Connection to the measuring instrument Axial gauge adapter
Type of mounting Direct mounting
Vacuum service Basic service
Assembly parts Retainer flange, stainless steel 1.4435 (316L)
Assembly parts Hexagon screws M10 x 20, stainless steel

Thanks to its flush process connection, the WIKA 990.17 diaphragm seal is optimally suited for installation in storage tanks. With a suitable welding flange, this diaphragm seal can be integrated into any type of tank or vessel. Level measurement with diaphragm seals also works with media that, due to the process, are under pressure and have high or low viscosity.

The WIKA 990.17 diaphragm seal is particularly suitable for CIP cleaning processes as it meets the requirements for elevated temperatures and chemical resistance to cleaning solutions.

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.

For the material selection, WIKA offers a variety of solutions, in which the diaphragm seal and the wetted parts can be made of identical or different materials. The wetted parts can, as an alternative, be electropolished.

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Bart

Bart de Haan

Managing Director

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