| 1. Vacuum pump (YWK400A) |
Model:YWK400A Voltage/Frequency:220V/50Hz Power:400 Speed:≥1400 Ambient Temperature:5~40℃ Max Vacuun:-98KPa Flow:56L/min Startup Pressure:oKpa(OPSI) Noise:60dB Weight:8.5Kg Insulation Class:B Thermal Protector:135±5℃(Automatically reset) Product Dimensions:245*132*189mm |

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| 2. Vacuum pump (YWZ248A) |
Model:YWZ248A Voltage/Frequency:220V/50Hz Power:350 Speed:≥1400 Ambient Temperature:5~40℃ Rated Pressure:260.8Kpa(30PSI) Flow:60L/min Startup Pressure:oKpa(OPSI) Noise:59dB Weight:8.4Kg Insulation Class:B Thermal Protector:135±5℃(Automatically reset) Product Dimensions:245*132*189mm |

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| 3. Vacuum pump (YWZ400A) |
Model:YWZ400A Voltage/Frequency:220V/50Hz Power:480 Speed:≥1400 Ambient Temperature:5~40℃ Rated Pressure:206.8Kpa(30PSI) Flow:87L/min Startup Pressure:oKpa(OPSI) Noise:62dB Weight:8.5Kg Insulation Class:B Thermal Protector:135±5℃(Automatically reset) Product Dimensions:245*132*190mm |

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| 4. Vacuum pump (YWZ370A) |
Model:YWZ370A Voltage/Frequency:220V/50Hz Power:380 Speed:≥1400 Ambient Temperature:5~40℃ Rated Pressure:206.8Kpa(30PSI) Flow:70L/min Startup Pressure:oKpa(OPSI) Noise:61dB Weight:8.4Kg Insulation Class:B Thermal Protector:135±5℃(Automatically reset) Product Dimensions:245*132*189mm |

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