Turbo-Chiller Expansion Valve

○ Specification
Turbo-Chiller Expansion Valve ZetTrim Electric Ball Expansion Valve ZetTrim Electric Globe Expansion Valve
Turbo-Chiller Expansion Valve Turbo-Chiller Expansion Valve
Size 40A 50A 65A 80A 50A
Pressure Rating 10K 10K 10K
Plane distance (mm) 165 178 190 203 203
Ton of Refrigeration (RT) 200 300 500 800 200
Cv [Max] 55 85 180 230 22 [Max 50]
Stroke / Weight 0~90° / 25~40kg 0~40mm / 45kg
Rangeability 4.5: 1 15: 1
Body Material SCS13 / PTFE SCS13 / PTFE
Power Supply 110,220VAC/1Ph/50, 60Hz 110,220VAC/1Ph/50, 60Hz
Patent 10-2014-0088538   10-2014-0099580
10-2014-0088597    10-2014-0099602
10-1224806   10-1247056
10-1224803   10-1376393
Flow control device Turbo-Chiller Expansion Valve Turbo-Chiller Expansion Valve
Pressure control system Area control(50%) + Speed deceleration(50%) Speed deceleration(100%)
Flow control range 30° ~90° (33%~100%) Large range of flow control(67%) 0~40mm (0%~100%) Large range of flow control(100%)
Characteristics Valve opening 40 percents the pressure from rising more than, Energy savings of 10~15% Low noise, high vibration extending the actuator life, Energy savings of 20~30%
○ Energy savings due to the expansion valve performance
Item ZetTrim Turbo Chiller
Ball Valve Globe Valve Spec.(200RT)
kg/㎠ °C kg/㎠ °C kg/㎠ °C
Compressor P4 9.71 43.6 9.71 43.6 9.71 43.6
Condenser P5 9.71 32.6 9.71 32.6 9.71 32.6
1st Expansion valve P7 4.3 11 4.15 10 6 21
2nd Expansion valve P8 3.4 4.4 3.26 3 3.74 6.4
Flow (200RT) G 66,00C kg/h 66,000 kg/h 66,000 kg/h
Valve capacity coefficient Cv 28 27.5 28.8
Refrigeration capacity RT 212 223 200
COP / kW/RT 6.9 / 0.52 6.9 / 0.49 6.4 / 0.55
Save kW 7 kW 12.7 kW 0