Flange connection, diaphragm seal

Model 990.41, threaded design, large working volume


Applications

  • For assembly (direct assembly, via a cooling
    element or a capillary) with measuring instruments for low pressuresand with differential pressure measuring instruments
  • For aggressive, contaminated or hot media
  • Filter monitoring
  • Level measurement

 


Special Features

  • Internal diaphragm with large working volume
  • Special materials available
  • Low temperature error due to large diaphragm diameter (realisation of low measuring ranges possible)
  • Wide temperature application range due to large working volume
  • Integrated flushing connections (optional)
990.41

Description

 

Process connection
Open connecting flanges DN 15, 25, 40, 50 following
EN 1092-1, sealing face form B1 or DN ½", ¾",1", 2" per
ASME B16.5, RF 125 ... 250 AA

Nominal pressure
PN 100 with diaphragm Ø 89 mm

Pressure ranges
max. 0 ... 100 bar

Upper body
Stainless steel 316L

Diaphragm
Stainless steel 316L, welded with upper body

Sealing
PTFE (up to a maximum of 260 °C)

Lower body (process connection)
Stainless steel 316L, connecting flange per EN 1092-1 or ASME B 16.5 (for possible nominal widths see dimensional drawing)

Screws
Stainless steel 1.4571

Measuring instrument connection
Direct assembly (weld-in connection)

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