The Reflux 919 Control is a pneumatic control valve, specifically designed for use with normal gas, commonly operated by a direct-acting type diaphragm actuator (mod. 200) or reverse acting type diaphragm actuator (mod. 300).
The control loop is 6-30 psig: other signals available on application
The absolute tight shut off is obtained by soft-seated patented Fiorentini design
• Very high rangeability due to special plug guiding (1:500)
• The actuator design has a special balanced valve plug for minimum actuator requirements
• Maximum inlet pressure 85 bar
• maximum pressure dro 83 bar
• Nace MR 01/75 version available on request
• Retrofitting capability by built-in special silencer and Fiorentini patented channel flow trim.
Pneumatic actuated control valve Pzul: up to 99,6 bar
Rangeability: 500:1
Sizes (DN): 1"-2"-3"-4"-6"-8"-10"
Flanges: ANSI 150/300/600 RF or RTJ
Options: direct-acting, reverse action; built-in silencer; pneumatic positioner, electropneu-matic positioner.
...+DB
Built-in silencer.
Options: gas flow control application, liquid flow control application.
Sizes (DN): 1"-2"-3"-4"-6"-8"
Flanges: ANSI 150/300/600 RF or RTJ, PN 16 UNI/DIN
Options: built-in silencer.
...+DB
Built-in silencer.
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