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Welcome to Shanghai Huiming Fluid! 400-666-7187 Shanghai Huiming Fluid Control Equipment Co., Ltd. operates various pump products. The main products are: centrifugal pumps , self-priming pumps , sewage pumps , magnetic pumps , vacuum pumps , chemical pumps , diaphragm pumps , oil pumps , multi-stage pumps , canned pumps , screw pump , Submersible pumps , submersible pumps , metering pumps , pump control cabinets , water supply equipment , etc. Water pump products are widely used in various fields such as water conservancy, construction, fire protection, electricity, environmental protection, petroleum, chemical industry, etc.

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  • How to reduce the occurrence of cavitation in centrifugal pumps during installation and use
    How to reduce the occurrence of cavitation in centrifugal pumps during installation 1) Under the conditions allowed by the installation, try to reduce the suction height of the pump as much as possible. This makes the allowable cavitation margin in the pump operation larger. Generally, when the installation height is 2 ~ 3.5m, the cavitation phenomenon of the pump is reduced. 2016-01-08 2) Decrease the density of well water, pulverized coal and sediment .. 2016-01-08
  • Damage to centrifugal pumps after cavitation
    When cavitation develops to a certain degree, it will affect the performance of the centrifugal pump and prevent its normal operation. The main manifestations are as follows: 1. The change in pump performance at the beginning of cavitation has no obvious effect on the external characteristics of the pump. 2016-01-08 After the cavitation develops to a certain degree, the parameters of the pump's power, efficiency, flow rate and head will be .. 2016-01-08
  • QBY3 Diaphragm Pump Parts Details
    2015-12-24 QBY3 diaphragm pump parts details2015-12-24
  • Mechanical seal for submersible pump
    Submersible pump mechanical seal is also called end face seal. It has a pair of end faces perpendicular to the axis of rotation. Under the effect of fluid pressure and the compensation of mechanical external spring force, the submersible pump maintains a close fit with the other end by means of the auxiliary seal And slide relative to prevent fluid leakage. 2015-12-07 Submersible pump mechanical seal is more common .. 2015-12-07
  • Determinants of high and low heads of centrifugal pumps
    Determinants of high and low heads of centrifugal pumps I. Relationship with the blade outlet placement angle 2A When the other values are fixed, the larger the blade outlet angle is, the higher the flow rate is, the higher the theoretical head is, the smaller the blade outlet placement angle As the flow increases, the theoretical head decreases accordingly. 2015-11-30 Second, the relationship with the number of leaves: 2015-11-30
  • The main leak point of water pump mechanical seal
    The main leakage points of water pump mechanical seal are: (l) the seal between the shaft sleeve and the shaft; (2) the seal between the moving ring and the shaft sleeve; (3) the seal between the dynamic and static ring; Seal between seats; (5) Seal between seal end cap and pump body. 2015-10-15 In general, the shaft between the shaft sleeve, the sealed end cover and the pump body .. 2015-10-15
  • Structure and characteristics of non-blocking pump impeller
    At present, the application fields of pumping solid materials are expanding, such as sewage, mud, pulp, ash, grain starch and so on. The main requirement for pumps that deliver this type of material is non-clogging. Non-blocking mainly depends on the structure of the impeller. 2015-10-15 Main structure and characteristics of non-blocking pump impellers on the market: 1. Open type: 2015-10-15
  • Why stainless steel pumps sometimes rust
    In fact, stainless steel is a thin, strong and stable chromium-rich oxide film (protective film) formed on the surface to prevent oxygen atoms from infiltrating and continuing to oxidize, and obtain the ability to resist rust. 2015-10-15 Once for some reason, this film is constantly destroyed, and oxygen atoms in the air or liquid will continue to penetrate or gold .. 2015-10-15
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