GE Baker Hughes Masoneilan SVI FF Installation And Operation Manual page 136

Valve Type and Built In Characteristic
Camflex
Camflex
Varimax
Varimax
21000 series Model # 21X1X or 41000 series Model
# 41X1X with LINEAR TRIM
21000 series Model # 21X1X or 41000 series Model
# 41X1X with LINEAR TRIM
21000 series Model # 21X2X or 41000 series Model
# 41X2X with EQUAL PERCENTAGE TRIM
21000 series Model # 21X2X or 41000 series Model
# 41X2X with EQUAL PERCENTAGE TRIM
Ball Valve with typical MODIFIED PERCENTAGE TRIM
Ball Valve with typical MODIFIED PERCENTAGE TRIM
Butterfly valve with typical MODIFIED PERCENTAGE
TRIM
Butterfly valve with typical MODIFIED PERCENTAGE
TRIM
Reciprocating valve with LINEAR TRIM
Reciprocating valve with LINEAR TRIM
Rotary or Reciprocating valve with EQUAL PER-
CENTAGE TRIM
Rotary or Reciprocating valve with EQUAL PER-
CENTAGE TRIM
136 |
BHGE
Table 29 Guidelines for Characteristic Choice
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Linear
Equal Percentage
Desired Installed
Valve Position
Characteristic
LINEAR
EQUAL50
EQ% CAMFX (when replacing a
4700E)
LINEAR
EQUAL50
LINEAR
EQUAL50
Not Recommended
LINEAR
Not Recommended
LINEAR
Not Recommended
LINEAR
LINEAR
EQUAL50
Not recommended
LINEAR
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Standard Positioner
Characteristic Selection