DG-Type Multistage Pump

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Description

DG type pump is horizontal multistage centrifugal pump,which is used to transport clean water with temperature less than 160℃,and also insoluble solid impurity 0.25%,and liquid such as water-soluble solid impurity 5% and other medium similar to water.

Application Area

It is mainly used in light textile industry comprehensive utilization and also sub-high pressure boiler water supply in small-scale thermal power plant.

Performance Range

Inlet diameter: 50-150 mm

Capacity:6-155m3/h

Head:50-960m

Speed:2980r/min

Matched power: 4-450kW

Structural Characteristics

The pump is single casing,single suction,multistage sectional centrifugal pump structure.The inlet%outlet of pump is vertical.(Please refer to structure chart).Detailed structure is as follows:

1、Stator part

It is mainly contained by some parts such as forepart,back part,middle part,guide vane bearing support&balance room,etc,which are all combined by tie bolt and nut.

2、Rotor part

Round nut has been tensed by impeller,impeller space sleeve,balance spacer sleeve,balance disk&shaft sleeve.Moreover,it has been fixed on the main shaft,which adopts flat key so as to avoid rotate.In doing so,the whole rotor supports on the both sides of bearing,consequently,rotor connected with motor directly by elastic pin coupling.

Gear gasket has been installed between impeller and balancing guard sleeve in order to compensate expansion,such part should be replaced during maintenance.

3、Balance organization

This pump adopts balance disk hydraulic balancing device,it is made up of balance ring,balance disk,balance sleeve and balance guard sleeve.

Balance leakage water will return to front-section suction vortex chamber.

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Q:Harm of air pump and pump
Minimum starting current when centrifugal pump of such a small impact on the grid but long closed operation will make the liquid in the pump to the pump overheating temperature is too high will lead to the problem of the seal to a certain temperature will cause deterioration of oil bearing bearing caused by excessive wear and even bite dead
Q:Fire pump control cabinet There are 6 pumps, two indoor fire hydrant pumps, two spray pumps, and two outdoor pumps
You said the three line refers to the control room, the control cabinet, the main pump directly start the straight line of water pump. Each pump should be equipped with single straight line Kai, reported that the cabinet Jinglian dynamic multi line linkage control board has three buttons corresponding to a remote spray pump, fire hydrant pump, pump start outdoor fire hydrant. This requires three straight lines, from the cabinet to the three pump control cabinet, which is the 9 line you call. The water pump control cabinet is provided with a terminal for supplying a remote pump. By looking at the wiring diagram of the water pump control box, you can find the technical personnel of the control cabinet manufacturer if you can't find them.
Q:What are the functions of a disposable infusion pump?
This is a very professional question, ha!I only know disposable infusion pumpsAttached: intelligent medical infusion pump and its application
Q:Does vacuum pump oil belong to dangerous goods?
Absolutely not. We often send oil by express or by freight. There are no problems at all. Don't be afraid, don't burn, explode
Q:What is the name of the day pump and ground pump? Specific introduction
People often say "day pump" actually refers to the boom pump, it also has many other name, such as pump, boom pump, concrete pump, concrete pump truck, these words are "day pump".Ground pump, in fact, refers to the pump drag pump. Therefore, to understand the difference between day pump and ground pump is to understand the difference between the boom pump and the tow pump
Q:Fire pump and shower pump flow head selection, high resolution.
2, the volume is greater than 10000 is less than 25000, the minimum water consumption of indoor fire hydrant is 15L/s
Q:Pneumatic diaphragm pump compressed air pressure is 4 kg, the discharge pressure is how big?
Have to know the ratio, pneumatic pump, if high pressure, you can have 2:1,3:1
Q:The difference between submersible pumps and centrifugal pumpsWhat's the difference between the two? What is applicable and what?
Difference:The installation position is different: one can discharge water, one is on the ground.The work principle is different: the principle of submersible pump is similar to the electric fan, centrifugal pump through centrifugal force to make the water throw out. According to the principle of centrifugal force design,
Q:Fire hydrant pump button, under what circumstances do not need to install?
The installation of hydrant pump buttons depends on the type of water supply:(1) municipal water supply; (in this case, do not have to install)(2) there is a fire pump; (must be installed)
Q:What is the pump, how to classify, mainly used in where?
Classification of pumpsAccording to the principle of division:1. displacement pumpDepending on the movement of the work parts, the volume of the work increases periodically and reduces the suction and discharge of the liquid, and the pressure of the liquid increases directly by the extrusion of the working partsAccording to the different movement of moving parts, it can be divided into two types: reciprocating pump and rotary pumpAccording to the structure of the moving parts are different: piston pump and piston pump; there are gear pumps, screw pumps, vane pumps and water ring pump

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