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  • Type 990.40 - Threaded connection, diaphragm seal Threaded design, large working volume

Type 990.40 - Threaded connection, diaphragm seal Threaded design, large working volume

Applications
For assembly (direct assembly, via a cooling element or a capillary) with measuring instruments for low pressures and 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)

Description

Process connection
Thread
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,
G ½, ½ NPT (female)
G ½ B, ½ NPT or M20 x 1.5 (male)
Screws
Stainless steel 1.4571
Measuring instrument connection
Direct assembly (weld-in connection)

Selected documents