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Diaphragm Seals & Solutions

Badotherm's flexible and extensive diaphragm remote seal range with a wide choice of system fill fluids and diaphragm materials.
1. Flanged Diaphragm Seals
These types of diaphragm seals are designed for either direct mounting on the process flange or by clamping the seal between process flange and a cover flange. They are available in all kind of international flange standards, ASME B16.5, EN1092-1, API 6A ISO 10423 or JIS B2220.
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2. Flanged Slip On FSO Diaphragm Seals
The FSO construction has the weld seal body-diaphragm as a wetted part, therefore diaphragm materials are mostly chosen the same as the body (disc) material. The FSO is recommended when special flange grades are required.
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3. Threaded Diaphragm Seals
These types of diaphragm seals are designed for direct mounting on the threaded process connection. They are available in all kind of international thread standards, NPT, BSP, ISO-228, and metric.
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4. Sanitary Diaphragm Seals
Sanitary seals are designed for pressure, level and flow measurements in food and pharmaceutical industries where the formation of bacteria needs to be prevented by reducing or eliminating blind spaces where process product could remain and thus creating impurities, bacteria by e.g. fermentation. As such these seals allow for easy cleaning by means of either threaded or clamp quick couplings.
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5. Special Diaphragm Seals
Some applications require non-standard diaphragm seals. We have developed a seal that can withstand extreme process conditions, or diaphragm seals that require specially designed connections.
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6. Diaphragm Seal Filling Fluid (BSO)
The selection of a fill fluid for a diaphragm seal application requires a careful review of the application conditions. The fill fluid characteristics determine to a large extent the diaphragm seal system performance in terms of response time and temperature effect. Several fill fluid characteristics need to be taken into account to make the appropriate selection of the fill fluid.

7. Flushing Accessories
The flushing flange or ring is used for flushing solution combined with diaphragm seals. This type of flushing flange or ring is clamped between process nozzle and diaphragm seal. The reducer flange is used to mount a larger diaphragm seal to a smaller process connection. This type of reducer flange is clamped between process nozzle and diaphragm seal.

Diaphragm Seal Accessories are carefully designed to optimise the use of the Diaphragm Seal in your process conditions, or to ease the installation and protect it against damaging during installation.
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