WIKA DIAPHRAGM SEALS CELL-TYPE (SANDWICH) MODEL 990.28
Applications
Chemical process industry
Petrochemical industry
Suitable for corrosive, highly viscous, crystallising or hot pressure media
High pressure applications
Special Features
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
Specifications
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)
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
Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF6 gas solutions from WIKA are components integrated in the business processes of our customers.
