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Flanged Process Connection, Diaphragm Seals

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Flanged Process Connection, Diaphragm Seals

Cell-Type (Sandwich) Seals
Model No: 990.28

Sandwich flange (cell) with a flush welded diaphragm with contoured diaphragm bed

Available for all standard dimensions and nominal diameters

With special materials all wetted parts of the selected material

Process connection Flanges DN 40, 50, 80, 100, 125 following EN 1092-1, sealing face form B1 or NPS 1½”, 2”, 3”, 4”, 5” per ASME B 16.5, RF 125 ... 250 AA For the mounting an additional blind flange is required (not included in the scope of delivery)

Pressure rating See table (reverse side)

Suitable pressure ranges 25 mbar and up, depending on diaphragm size and process conditions

Material of wetted parts Stainless steel 316L

Instrument connection Material stainless steel 316L, adaptor G ½ female per EN 837-1, welded to capillary

Capillary extension Radial entry capillary of stainless steel 1.4571, welded to body, armoured, armour material stainless steel 1.4301 Standard extensions: 1, 1.6, 2.5, 4, 5, 6, 7, 8 m Minimum curve radius: 30 mm

Chemical process industry

Petrochemical industry

Suitable for corrosive, highly viscous, crystallising or hot pressure media

High pressure applications