Model 990.26

Flanged Process Connection, Diaphragm Seals

With Internal Diaphragm

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Applications

  • Chemical process industry
  • Petrochemical industry
  • Suitable for corrosive, highly viscous, crystallising or hot pressure media
  • For small flanged process connections

Special Features

  • Open flange with an internal welded diaphragm with contoured diaphragm bed
  • No sealing or clamping elements
  • Compact design

Description

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

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