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1, the use of temperature below 200 degrees Celsius cold oil pump, 200 degrees Celsius hot oil pump .
2, the general hot oil pump seal seal oil seal, and cold pump on the note.
3, hot oil pump pump vertical segmented, while the pump used in the cold oil level open. Some hot oil pump to prevent movement of the center line of the pump structure.
4, hot pump mouth ring gap larger. Cold pump is smaller.
5, multi-purpose hot oil pump carbon steel, alloy steel, and cold oil pump can be cast iron.
6, hot oil pump needs to be preheated before starting, while the cold oil pump, the cold oil pump is unnecessary.
7, hot oil pump bearings, bearing boxes, packing boxes mechanical seals need water cooling, and cold pump can not be used.
8, the type of hot oil pump generally use the letter R said cold oil pump with the letter J table.
2, the general hot oil pump seal seal oil seal, and cold pump on the note.
3, hot oil pump pump vertical segmented, while the pump used in the cold oil level open. Some hot oil pump to prevent movement of the center line of the pump structure.
4, hot pump mouth ring gap larger. Cold pump is smaller.
5, multi-purpose hot oil pump carbon steel, alloy steel, and cold oil pump can be cast iron.
6, hot oil pump needs to be preheated before starting, while the cold oil pump, the cold oil pump is unnecessary.
7, hot oil pump bearings, bearing boxes, packing boxes mechanical seals need water cooling, and cold pump can not be used.
8, the type of hot oil pump generally use the letter R said cold oil pump with the letter J table.
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