English 
T: +86-15061978682
E:tracy_zhuang@czpalm.com
E:tracy_zhuang@czpalm.com
Furong Town Industry Zone, Wujin, Changzhou, Jiangsu, China 213118
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Technical parameters：
Nominal pressure: 2.8MPa Applicable temperature:-50℃～+150℃
Test pressure: 4.2MPa Applicable medium:ammonia,fluorine,etc.
Characteristics:
- RSAO is make up of one main valve AM1, and one pilot ACVC as the basic version.
- For similar aplications with the same pilot ACVC is available following variations:
● RSAOE over AM1, ACVC+ extemal connection on(E)
● RSAOBE over AM3,ACVC+ connection with solenoid pilot
● RSAOSE over AM3, ACVC, through one solenoid pilot NO or NC, and hot gas connection with solenoid pilot NC
Operation：
- The range of pressure regulators RSAO type, control the downstream 
pressure of main valve. Regulators open when the outlet pressure falls
below the set point of the ACVC. With the variations RSAOE,RSAOBE,
RSAOSE, is possible to wide open the main valve with independence
of the outlet pressure if hot gas pass to the top of piston. The last
option RSAOSE,can be totally closed if thecoil of the solenoid coupled
to ACVC is energized(NO)or de-nergized(NC).
- The main valves close again, when the inlet pressure rises over the set
point of the pilot ACVC.
Applications:
The regulators RSAO are designed to work with ammonia and other fluorinated refrigerants,working toavoid the pressure downstream falls bellow the set point, to control of condensation pressure or as starting valve or crankcase regulator to control the suction pressure.
Technical parameters：
Nominal pressure: 2.8MPa Applicable temperature:-50℃～+150℃
Test pressure: 4.2MPa Applicable medium:ammonia,fluorine,etc.
Characteristics:
- RSAO is make up of one main valve AM1, and one pilot ACVC as the basic version.
- For similar aplications with the same pilot ACVC is available following variations:
● RSAOE over AM1, ACVC+ extemal connection on(E)
● RSAOBE over AM3,ACVC+ connection with solenoid pilot
● RSAOSE over AM3, ACVC, through one solenoid pilot NO or NC, and hot gas connection with solenoid pilot NC
Operation：
- The range of pressure regulators RSAO type, control the downstream
pressure of main valve. Regulators open when the outlet pressure falls
below the set point of the ACVC. With the variations RSAOE,RSAOBE,
RSAOSE, is possible to wide open the main valve with independence
of the outlet pressure if hot gas pass to the top of piston. The last
option RSAOSE,can be totally closed if thecoil of the solenoid coupled
to ACVC is energized(NO)or de-nergized(NC).
- The main valves close again, when the inlet pressure rises over the set
point of the pilot ACVC.
Applications:
The regulators RSAO are designed to work with ammonia and other fluorinated refrigerants,working toavoid the pressure downstream falls bellow the set point, to control of condensation pressure or as starting valve or crankcase regulator to control the suction pressure.
