Water Ring Vacuum Pump

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Payment Terms:: TT OR LC

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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: Pump unloading in hydraulic transmission,: Unloading is pumping oil directly back to the tank, the pressure is very low, energy saving

Q: Water pump can not be pumped out, how to maintain water?: Packing overheating:Due to packing too tight, the cooling water can not enter the filler, or the shaft surface damage. Measures for proper relaxation of packing and cleaning of sealing pipe are adopted. Filler wear must be replaced with new ones. Before installation, soak in the oil and rotate it in turn. The incision should be staggered so that water leakage can be reduced. Fill the last lap after installed loading pressed to cover operation for further adjustment of the tightness.

Q: What's the difference between non negative pressure and variable frequency water pump?: No negative pressure is superposed pressure intelligent frequency conversion equipment, pump frequency operation is no negative pressure difference, and the variable frequency pump, variable frequency pump is advanced municipal tap water tank or pool, pump from the tank or pond water pressure to set pressure to the pressure water supply, and no negative pressure directly from water the municipal pipeline, using the original municipal 2~3 kilograms of pressure

Q: What is the displacement of the pump? Flow? What is the volume efficiency and mechanical efficiency of the pump?: Mechanical efficiency: the ratio of theoretical torque to actual torque of the pump.

Q: What is the difference between centrifugal pump and positive displacement pump?: Positive displacement pump is the volume pump, this type of pump is to rely on changes in volume to compress fluid work, including: diaphragm pumps, gear pumps, screw pumps, etc.;

Q: Difference between pump and compressor: In the spiral case, the liquid slows down due to the gradual enlargement of the flow passage, and the part of kinetic energy is converted to static pressure, and finally flows into the exhaust pipe at higher pressure and is sent to the required place. When the liquid flows from the center of the impeller to the outer edge, a vacuum is formed at the center of the impeller. As the pressure at the upper level of the tank is greater than the pressure at the pump inlet, the liquid is continuously pressed into the impeller. Visible, as long as the impeller continues to rotate, the liquid will continue to be inhaled and discharged.The working principle of the linear pump is different from that of any other pump. It adopts the principle of magnetic suspension and the hydraulic structure of the spiral ring to realize liquid propulsion, that is, to cancel the shaft, to cancel the shaft connection, and to cancel the sealing structure of the shaft. After starting, the electric current is transformed into a magnetic field, and the magnetic field force drives the spiral ring to move, namely, the spiral ring promotes the liquid advance.Compressor (compressor), a driven fluid machine that promotes low-pressure gas as a high pressure gas, is the heart of a refrigeration system. It is of low temperature and low pressure refrigerant gas suction pipe from the suction, through the operation of the motor drives the piston to compress it after high temperature and high pressure refrigerant gas discharge pipe to the exhaust, to provide power for the refrigeration cycle, so as to realize the compression and condensation (exothermic), expansion and evaporation (endothermic) refrigeration cycle.

Q: What are the problems that should be paid attention to when using vacuum pumps?: (14) vacuum pump used in the winter season, after stopping the pump body, lower drain plug unscrew medium on the net. To prevent cracking.(15) the vacuum pump has been disabled for a long time. All the pumps should be taken apart and dried. The rotating parts and the joint should be coated with grease and properly preserved.

Q: Why can't the centrifugal pump pump the vacuum?: Running process: depending on the centrifugal pressure of the liquid in the impeller, the liquid is sucked into the liquid, and the liquid in the pump shell has the conversion of the energy form, so that the fluid can obtain the mechanical energy mainly with the static pressure.The characteristics of the system: the suction diameter than out of large diameter, the general valve installed.

Q: What does "dual purpose" of water pump mean? Please expert advice: 1, if the water pump in the process of a strong vibration, then must stop to check what is the cause, otherwise it will cause damage to the water pump.3, when the pump valve Water Leakage, some people will fill with dry soil to the water pump inlet pipe, the water washed in the end valve, this is indeed undesirable. Because when the dry soil into the inlet pipe, when the pump started to work, these dry soil will enter the pump, then it will damage the pump impeller and bearings, thus shortening the service life of the pump. When the valve Water Leakage must take to repair, if it is serious that need to replace the new.

Q: What are the failures and causes of the replacement of the fuel pump assembly?: Failure cause:1) the gasoline pump is too thick with the gasket at the junction of the axle box.2) pump film rupture or pump film and pump shell combination of sealing is not strict.3) the oil inlet valve is stuck or sealed badly.4) severe wear of the rocker arm, reducing the pump film stroke.5) the pipeline from the gasoline tank to the gasoline pump is not smooth, or the pump film spring passes.

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