Badger Meter Research Control Valve User Manual
Page 2
Page
General .............................................................................................................................................. 1
Installation ......................................................................................................................................... 1
Disassembly and Reassembly ........................................................................................................... 1
Replacing Trim Sets ........................................................................................................................... 1
Installing Trim Sets ............................................................................................................................. 2
Lapping Sequence ............................................................................................................................. 3
Assembly ........................................................................................................................................... 3
Stroke Adjustment and Pressure Test ................................................................................................ 4
Packing, Chevron Ring ....................................................................................................................... 5
Braided Teflon and Graphoil Packing .................................................................................................. 5
Bellows .............................................................................................................................................. 7
General ............................................................................................................................................ 7
Removal of Assembly from Valve .................................................................................................... 7
Removing lnnervalve from Bellows Assembly & Seat from Body .................................................... 8
Installing Bellows Seal Assembly, Innervalve & Seat ....................................................................... 8
Valve Positioners ............................................................................................................................... 9
General ............................................................................................................................................ 9
Integral Mounting ............................................................................................................................. 9
Range Springs ................................................................................................................................. 9
Top Loading, Air-to-Close ................................................................................................................. 9
Bottom Loading, Air-to-Open .......................................................................................................... 10
Adjusting Zero ............................................................................................................................... 10
Servicing ........................................................................................................................................ 10
Terminology ...................................................................................................................................... 11
Notes ............................................................................................................................................... 12
Special Information .......................................................................................................................... 13
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