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Flanged Process Connection, Diaphragm Seals

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Flanged Process Connection, Diaphragm Seals

With Internal Diaphragm
Model No: 990.26

Open flange with an internal welded diaphragm with contoured diaphragm bed

No sealing or clamping elements

Compact design

Process connection Flanges DN 15, 20, 25 following EN 1092-1, sealing face form B1 or NPS ½"", ¾"", 1"" per ASME B 16.5, RF 125 ... 250 AA

Pressure rating See table (reverse side)

Suitable pressure ranges 400 mbar and up, depending on diaphragm size and process conditions

Material of wetted parts Stainless steel 316L

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

Capillary extension Axial 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 m Minimum curve radius: 30 mm

Chemical process industry

Petrochemical industry

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

For small flanged process connections