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  • Circulating Pump
  • GS40-18.5-250TF
  • Three-speed circulation pumps designed for commercial heating systems
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Performance curve
Specifictions
Drawings
Structure diagram
Performance
Max Flow: 23 m³/h
Max Head: 17 m
Rated flow: 16.1 m³/h
Impellers : 1
Power(kW) : 1.05
Power frequency(Hz) : 50
Rated voltage(V) : 380
Standard temperature: 2℃ ~ 110 ℃
Max ambient temp: 40 ℃
Technical
Maximum flow: 23 m³/h
Maximum head: 17 m
Rated flow: 16.1 m³/h
Installation
Connection Type: {"zh-cn":"法兰连接","en-us":"Flange","ru-ru":"Фланец"}
Maximum pressure/temperature (low temperature): 10 bar
Flange Size: PN 6/10
Pressure level: 10 bar
Size of suction port: DN40
Size of outlet port: DN40
Installation type: {"zh-cn":"","en-us":"","ru-ru":""}
Transmission mode: {"zh-cn":"","en-us":"","ru-ru":""}
Coupling type: {"zh-cn":"","en-us":"","ru-ru":""}
Material
Pump body: {"zh-cn":"铸铁","en-us":"Cast Iron","ru-ru":"литейный чугун"}
Impeller: {"zh-cn":"不锈钢","en-us":"Stainless steel","ru-ru":"Нержавеющая сталь"}
Shaft: {"zh-cn":"不锈钢","en-us":"Stainless steel","ru-ru":"Нержавеющая сталь"}
Seal: {"zh-cn":"-","en-us":"-","ru-ru":"-"}
Shaft sleeve: {"zh-cn":"","en-us":"","ru-ru":""}
Wear ring: {"zh-cn":"","en-us":"","ru-ru":""}
Seal flushing line: {"zh-cn":"","en-us":"","ru-ru":""}
Primary shaft seal: {"zh-cn":"","en-us":"","ru-ru":""}
Packing: {"zh-cn":"","en-us":"","ru-ru":""}
Environment
Ambient temperature: 40 ℃
Electrical data
Motor phase number: 3
Protection level: 44
Insulation level: F
Motor power: 1.05 kW
Power frequency: 50 Hz
Rated voltage: 380 V
Liquid
Pumped liquid: {"zh-cn":"清水","en-us":"Clean water","ru-ru":"Чистая вода"}
Standard temperature: 2℃ ~ 110 ℃
Other