YHZKB-2BEA DC series water ring pump

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2BE-Series

2oth pump and compressor are designed according `to internationally advanced technology. It is widely used in pumping pure,water-fast, and innocuous gas, so that vacuum and pressure is produced in the sealed container.It is also used in pumping caustic, flammable, and explosive gas, supposed we change the material, structure, and introducean explosion-proof electromotor.Single grade adoption, availability of segregator, existence of gas entrance from different directions, addition of drain tap maintaining windown on the surthce, make it simple, effective, reliable and easy to maintain. It is widely used in Papermaking, Chemical lndustery, Petrification Industry, Light Industry, Medicine Production, Foodstuff, Metallurgy, Building Materials, Coal Washing, Chemicals etc.Items:2BEA-103~2BEA-705/2BEC-42~2BEC-72,Motor power 11~630KW,extract capacity 290~27000m3/h,Limit vacuum -0.097~-0.084MPa。

■ List of performance

Type of pump	Speed r/min	Shaft power(Max) Kw	Limit vacuum hpa	Gasm m³/h	Weight kg
2BEA103-0	1450	8.2	33	340	125
2BEA103-0	1750	11.2	33	410	125
2BEA153-0	1450	13.5	33	600	190
2BEA153-0	1750	19.5	33	700	190
2BEA203-0	980	29.5	33	1120	410
2BEA203-0	1100	35	33	1240	410
2BEA253-0	660	45	33	2100	890
2BEA253-0	740	54	33	2400	890
2BEA303-0	472	50	33	2560	1400
	530	57.5		2850
	590	65		3200
	660	79		3600
	740	99		4000
2BEA353-0	420	74	33	3700	2000
	472	84		4200
	500	90		4480
	530	100		4720
	590	120		5300
2BEA403-0	372	110	33	5680	3300
	420	130		6280
	472	160		7350
	530	203		8120
2BEA405-1	330	100	160	5950	3400
	372	118		6750
	420	140		7550
	472	170		8300
2BEA505-1	298	150	160	8800	5100
	330	172		9750
	372	205		10750
	420	250		11820
2BEA605-1	236	188	160	11500	7900
	266	220		13000
	298	262		14900
	330	310		15700
2BEA705-1	210	285	160	17500	11500
	236	335		19700
	266	405		21750
	298	490		23850

Q: A residential building with a floor height of 11 stories and a roof height of 33 meters. The height of the water tank is 37.7 meters. The basement is -3.3 meters, only set fire hydrant, fire pump only consider the indoor fire water, fire flow should be 10l/s. Now select a fire pump, concrete should be much traffic, big head, flow determine how? How to determine the head, I hope to say some more detailed, thank you, and there is to explain this question, why is the fire pump lift 120?. Thank you: Modify the part: (the design of regional common fire pump should be in accordance with the requirements of the original design, building design) contains a 55m high building, and the basement is about 6m, the pump reached in the basement height about 61m (common fire pump should be based on the highest floor of other low floor area, low ring and take in this case, relief measures) 61 levels, the most unfavorable hydrant to reach 0.07MPa (maximum allowable 0.5MPa) plus loss of lift at least about 90m more appropriate, of course can be higher to take relief measures (120 too high), the basic flow of lossless (with the same time there is only one building fire) according to the maximum amount of a building fire water pump set can be, there must be a backup with a preparation, and then select the appropriate pump manufacturer specification query.(the 20 houses on 99m are only shared with a 135m pump)

Q: What are the important parameters of the pump?: Mass flow is expressed in Qm units: t/h, kg/s, etc.The relation between mass flow and volume flow is:Qm= P QIn the p - type liquid density (kg/m3, t/m3), room temperature water P =1000kg/m3.Lift H

Q: How to select metering pump head?: In metering fluoride, we recommend the use of Viton, sealed PVC pump head. For most chlorination applications, it is better to use EPDM sealed NP (plexiglass) pump head. For hydrogen peroxide mixtures, only PTFE sealed PTFE pump head or stainless steel pump head can be used

Q: Rules for operation of centrifugal pumps: Operating rules:1, before starting to check whether the water pump foot loose, coupling shield, and motor fan blade cover is intact, in order to ensure the safety of equipment and personal safety.2. Check whether the inlet valve is open and open as fully as possible. Is the outlet valve closed, open the bleeder valve, exhaust until there is no air, and close the bleeder valve. At the end of the valve to the pipeline in the pump cavity filled with water.

Q: What is the difference between centrifugal pump and positive displacement pump?: The centrifugal pump is usually driven by an impeller, and the head has a functional relationship with the flow rate. Positive displacement pump is gear or piston drive, each stroke output flow is constant, and the head does not matter, the pressure head can be infinite.

Q: Is the centrifugal pump large or small?: Centrifugal pump, the smaller the better the cavitation.1, centrifugal pump cavitation less, anti cavitation performance is better, the pump cavitation is called the necessary cavitation margin or pump inlet dynamic pressure drop, the smaller the better. Generally speaking, the pump cavitation is the need for cavitation, the pump inlet pipe said effective cavitation margin, that is, the device cavitation margin. For a given pump, at a given speed and flow rate required NPSH is called pump necessary NPSH, also called NPSH, is required to achieve the performance parameters of the pump cavitation, the internal flow and the centrifugal pump is composed of pump head itself, its physical meaning is that liquid drop in pump inlet pressure part degree, is to guarantee the pump cavitation does not occur, with surplus energy exceeds the vaporization pressure head at the inlet of the pump unit weight of liquid. The cavitation must be independent of the device parameters. It is only related to the parameters of the inlet of the pump. These parameters are determined by the geometric parameters at a given speed and flow.

Q: Suction stroke and lift of water pump: The absorption process is also called the "largest self-priming height" (also can be understood as "the degree of self suction). Micro pumps do not add water at the circumstances, can automatically water suction pump up the maximum height (the vertical distance from the pump to be pumped from the mouth of pumping liquid).Generally lower than the water pump positioned equal when there is self-priming pump required capacity. For example, outdoor tourism, need to extract the water in the river, with the best micro pump self-priming ability (impossible to people ran to the river water inlet pipe with water. It) or pumping the liquid corrosion, easy to add water and so on occasions.

Q: The working principle of magnetic pump: Magnetic pumpBy the pump magnetic pump, magnetic actuators, motors of three parts. The key components of magnetic actuator by the external magnetic rotor sleeve, inner magnetic rotor and non magnetic components. When the motor drives the outer magnetic rotor, the magnetic field can penetrate the air gap and non-magnetic material, driven by the inner magnetic rotor is connected with the impeller for synchronization the rotation, to achieve non-contact power transmission, the dynamic seal into static seal. As the shaft, the rotor is within a magnetic pump, isolated sets of completely closed to completely solve the problem of "run, run, drip, leak, remove the oil refining chemical industry flammable, explosive, toxic and harmful media through the pump seal leakage security risks, effectively ensure the health and safety of workers.

Q: Filter backwash pump for what use, what is the principle of work ah?: When the filter is in normal operation, the impurity will be trapped in the upstream of the filter (filter medium). As the accumulation of impurities, the filter media will be blocked, and the direct performance is that the circulation will decrease. Usually, when the flow drops to a set point (the industry is usually judged by the pressure drop),

Q: What is the series of pumps? What is the difference between a unipolar and a multilevel? What is the meaning of each "first class"?: You're talking about a centrifugal pump. His series says the number of slices of the impeller (excluding the wheel, that is, the wheel)

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