Horizontal multistage boiler feedwater pump
DG type horizontal multistage boiler feedwater pump is especially suitable to industrial boiler water supply and drainage, cooling water transportation. Through changing the material, seal form and increasing the cooling system, this pump could also convey hot water, oil, corrosion and other changes, widely used in petroleum chemical industry, environmental protection industry, water circulation, water transportation and other industries. The temperature of the conveying medium is: -20 degreesto 150 degrees. The inlet pressure is allowed to be 0.6MPa.
Material Type | I | II | III |
Temperature | -20°C~+80°C | -20°C~+150°C | -20°C~+150°C |
Suction stage | HT200 | ZG230-450 | ZG1Cr13 |
Casing stage | HT200 | ZG230-450 | ZG1Cr13 |
Discharge stage | HT200 | ZG230-450 | ZG1Cr13 |
Impeller | HT200 | ZG230-450 | ZG1Cr13 |
Diffuse | HT200 | ZG230-450 | ZG1Cr13 |
Shaft | 45# sttel or 40Cr | 35CrMo | 3Cr13 |
Shaft sleeve | HT200 | 45 | 3Cr13 |
Mechanical seal sleeve | HT250 | 45 | 3Cr13 |
Casing seal ring | HT250 | 40Cr | 3Cr13 |
Impeller seal ring | HT250 | 40Cr | 3Cr13 |
Banlance ring | ZQAl9-4 | 45 | 3Cr13 |
Balance disc | 45 HT250 | 40Cr | 3Cr13 |
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