Water Ring Vacuum Pump

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Specifications

1. high vacuum, low power,high pump speed
2. widely used in mining industry
3. ultimate pressure: 33mbar

Instructio

2BV series liquid ring type vacuum pump and compressor as the new generation of energy saving products, its outstanding performance and advantages will replace SK, 2SK series water ring vacuum pump, W, WY, WL series reciprocating vacuum pump.

Advantage

2BV series pump for air and water vapour pressure to breathe, 33mbar absolute pressure (97%), vacuum pump suction pressure when in 80mbar below the condition, long-term work connected with protecting tube cavitation erosion of pump injector, i.e., protecting atmosphere, inspiratory pressure can reach 10mbar, injector pump can be directly mounted in a compressor, the pressure, to 0.26 MPa (maximum absolute pressure).

2BV series water ring vacuum pumps as a new generation energy-saving products, and the excellent performance and numerous advantages will be fully replace with same properties of SK, 2SK series water ring vacuum pumps and W, WY, WL series reciprocating vacuum pump.

Vacuum pump accessories: impeller,disc, the pump cover, pump body materials can be chosen as following:

SUS304 (0Cr18Ni9)
SUS316 (0Cr17Ni12Mo2)
SUS316L (00Cr17Ni14Mo2)

Pump shaft materials:2Cr13, SUS304 and SUS316L

Mechanical seal uses imported products, Seals can use viton or PTFE.

2BV2 - Ex, 2BV6 series water ring type vacuum pump/compressor is mainly used for surking explosive gas, and various inflammable and explosive of working environment, its performance parameters are as the same as 2BV2, 2BV5 series

Model	Max. capacity m³/h	Limiting vacuum mbar(MPa)	Motor power KW	Speed r.p.m	Flowrate L/min	Noise dB(A)	Weight kg
2BV-B060	27	33mbar (-0.097MPa)	0.81	2840	2.5	62	37
2BV2-B061	52		1.45	2840	2.5	65	41
2BV2-B070	80		2.35	2860	3	66	66
2BV2-B071	110		3.85	2880	4.7	72	85
2BV-E110	165		4	1440	7.2	63	120
2BV-E111	230		5.5	1440	8.8	68	150
2BV-E121	280		7.5	1440	11	69	210
2BV-E131	400		11	1460	16	73	280
2BV-E161	500		15	970	22	74	390
2BV-F110	165		4	1440	67	63	150
2BV-F111	230		5.5	1440	10	68	200
2BV-F121	280		7.5	1440	12	69	230
2BV-F131	400		11	1460	17	73	315
2BV-F161	500		15	970	23	74	426

Picture

Q:When the water pump is started, why should it start when the outlet valve is closed? Thank you: The valve opening pump is aimed at the centrifugal pump.From the power curve of the centrifugal pump, the power of the centrifugal pump increases with the increase of the flow rate; the flow curve of the centrifugal pump shows that the flow rate of the centrifugal pump decreases with the increase of the head.

Q:Advantages and disadvantages of centrifugal pumps?: Centrifugal pump; advantages and disadvantages:(1) advantages:The structure of the pump is simple and compact, and the centrifugal pump has small area, light weight, little material consumption and high cost for the foundation. Therefore, the cost of manufacturing and installation is less.For high speed operation, the 2 pole or 4 pole motor can be directly connected. The drive structure is simple and easy to install.

Q:What are the characteristics of the piston pump?: 1 、 built in overvoltage protection and flow correction system.6 、 large screen LCD display.7. The well designed exhaust device can effectively remove the bubbles in the liquid.8, flow and pressure settings can be memory, and PLC communication (custom).

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: According to the water quantity form fire flow water supply system fire safety in high-rise building fire hydrant pump lift is 10L/s, accurate algorithm is to say after a simple calculation with each indoor hydrant flow is two 5L/s bolt so to get the most unfavorable point for the calculation unit to calculate the minimum requirements, with the most unfavorable point suppository pressure specifications 0.07MPa, partial loss of the most unfavorable line and the line (according to the equivalent length) and loss (according to the material resistance coefficient), and finally the pump head loss of gravity difference. But we just calculate the construction elevation difference multiplied by 110% to 120% to determine the head {there is a need to know is: conversion head (m), (kg) and MPa kg 1MPa=10 kg = 100m is the vertical water column on unit area pressure conversion

Q:What's the meaning of the pump head in the water pump, please advise, thank you: According to China Wikipedia network, the basic components of the water pump: motor, coupling, pump head (body) and chassis (horizontal).Pump is generally composed of pump body and pump head, in which the pump body refers to the spiral case, impeller, bearing, oil shell and sealing assembly, etc., the pump head refers to the impeller, bearings, oil ring and sealing rotating parts (including shaft), etc..

Q:What are the parts of a pump? How do you classify it?I just want to know: The liquid ring pump: pumping air, the working medium is generally at room temperature water gas lift pump: simple structure of submersible sewage pump: a form of basic principle, performance parameters of centrifugal pump, with it the same. Underwater installation, sound, water cooling condition, screw pump: spiral lower invasion water medium variety formThere are too many kinds of pumps, such as submersible pumps for wells, centrifugal feed pumps, sewage pumps, etc. the submersible pumps are wet, oil immersed, etc.The water pump for automobiles is divided into oil lubrication and grease lubrication,

Q:What are the characteristics of a vertical multistage centrifugal pump?: A liquid that is primarily diluted, clean, non corrosive, explosive, or similar to water but contains no solid particles or fibers. Because of its high flow and large lift, it is widely used in fire fighting, water supply and air conditioning unit cooling water transportation in high-rise buildings.

Q:What are the problems that should be paid attention to when using vacuum pumps?: (1) check the vacuum pump line and the joint site regularly to see if there is any looseness. Turn the vacuum pump by hand and see if the vacuum pump is flexible.(2) add lubricating oil to the bearing body, observe the oil level at the center line of the oil mark, and the lubricant shall be replaced or supplemented in time.(3) plug screw vacuum pump of the water screw, filling water (or lead paste). (4) turn off the gate valve of the water outlet pipe and the outlet pressure gauge and the vacuum gauge. (5) point motor, and see if motor steering is correct.(6) start the motor. When the vacuum pump is in normal operation, open the outlet pressure gauge and the inlet vacuum pump. As soon as the proper pressure is shown, the gate valve is gradually opened, and the motor load is checked.

Q:What's the pump? Where can I use it?: A pump is a machine that transports liquids or pumps liquids. Pumps are ubiquitous in life. They can be used to transport liquids such as water, oil, acid and alkali, emulsions, suspensions and liquid metals, as well as liquids, gas mixtures, and liquids containing suspended solids.

Q:Fire control center manually start the fire pump directly, multi line control, called straight up line NHKVV-7*1.5, my understanding is: straight line from fire control center: Multi line linkage NHBVR-4*1.5 is a positive pressure blower and smoke exhaust machine fire fighting equipment

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