suffer erosion on all internal surfaces, including bearings and shaft seals. the sea-water circulating pumps of ships operating in waters that contain large quantities of silt and sand require frequent renewal of shaft seals or packing, also of shaft sleeves in way of the gland and bearings..... rotary...
screw displacement type. centrifugal and rotary vane compressors have also been used .....more refrigeration systems expansion valves the expansion valve is the regulator through which the refrigerant passes from the high pressure side of the system to the low pressure side. the pressure drop causes...
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suffer erosion on all internal surfaces, including bearings and shaft seals. the sea-water circulating pumps of ships operating in waters that contain large quantities of silt and sand require frequent renewal of shaft seals or packing, also of shaft sleeves in way of the gland and bearings..... rotary...
screw displacement type. centrifugal and rotary vane compressors have also been used .....more refrigeration systems expansion valves the expansion valve is the regulator through which the refrigerant passes from the high pressure side of the system to the low pressure side. the pressure drop causes...
suffer erosion on all internal surfaces, including bearings and shaft seals. the sea-water circulating pumps of ships operating in waters that contain large quantities of silt and sand require frequent renewal of shaft seals or packing, also of shaft sleeves in way of the gland and bearings..... rotary...
screw displacement type. centrifugal and rotary vane compressors have also been used .....more refrigeration systems expansion valves the expansion valve is the regulator through which the refrigerant passes from the high pressure side of the system to the low pressure side. the pressure drop causes...
suffer erosion on all internal surfaces, including bearings and shaft seals. the sea-water circulating pumps of ships operating in waters that contain large quantities of silt and sand require frequent renewal of shaft seals or packing, also of shaft sleeves in way of the gland and bearings..... rotary...
screw displacement type. centrifugal and rotary vane compressors have also been used .....more refrigeration systems expansion valves the expansion valve is the regulator through which the refrigerant passes from the high pressure side of the system to the low pressure side. the pressure drop causes...