Sulfuric acid pump selection

Sulfuric acid pump selection? Here is a trick, first of all depends on what you are conveying what acid below introduce you to several common sulfuric acid pump selection method:
1, hydrochloric acid pump
The highest concentration of hydrochloric acid 38%, hydrochloric acid pump basically as long as the material flow components for the plastic on the line, but from life, cost and other aspects to consider, you can use the F fluorine alloy pump or the C-F magnetic pumps, the prices of these two kinds of pumps, the performance is satisfactory.
2, the Sulfuric acid pump
Sulfuric acid pump into dilute sulfuric acid pump with concentrated sulfuric acid pump, the former range of options, dilute sulfuric acid the pumps can choose engineering plastic pumps, ceramic pumps, or F46 pump F26 pump, the latter (concentrated sulfuric acid pump) only Select fluorine plastic (F46) pump, concentrated sulfuric acid will corrode ordinary plastic, fluorine plastic does not corrode. Also note that the high density of concentrated sulfuric acid, the selected pump motor power to pay attention to with large, simple algorithm for shaft power when the shaft power * 1.84 is the transport of concentrated sulfuric acid.
3, hydrofluoric acid,
Hydrofluoric acid is very corrosive, suggested the use of fluorine plastic magnetic pump (and must be replaced with ceramic parts of this series of pumps hydrofluoric acid-resistant material)
4 nitrate,
The the nitrate pump also suggested the use of fluorine plastic magnetic pump, and the rubber seals to be replaced by a PTFE material.
5, acetate
It is one of the most corrosive substances in the organic acid, ordinary steel in all the acetic acid concentration and temperature are severely corrosive, stainless steel is an excellent acetic acid-resistant material, 316 stainless steel gear pump molybdenum is also applicable to a high temperature and dilute acetic acid vapor . For the demanding requirements of high temperature and high concentration of acetic acid or contain other corrosive media, the choice of high-alloy stainless steel or fluorine plastic magnetic pump. C magnetic pump, C316L stainless steel magnetic pump
6, brine (salt water)
Ordinary steel in sodium chloride solution and water, salt water corrosion rate is not too high, generally requires the use of paint protection; various types of stainless steel low uniform corrosion rate, but may cause localized corrosion due to chloride ions, usually made of 316 stainless steel better, but the price is high, suggested the use of fluorine plastic centrifugal pump, I chemical centrifugal oil pump.
7, the sealing
Seal type: magnetic pump static seal, it can not consider the tightness, centrifugal pump commonly used externally mounted bellows mechanical seal, corrosion-resistant wear resistance are better, such as the transmission medium containing particles may be applied hard hard mechanical seal.
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