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Greentech International (Zhangqiu) Co., Ltd.

Vacuum Pump, Water Ring Vacuum Pump, Liquid Ring Vacuum Pump manufacturer / supplier in China, offering Liquid Ring Vacuum Pump (2BV2071), PD Blowers (Roots Blower), Pneumatic Conveying Roots Blower (NSRH) and so on.

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Liquid Ring Vacuum Pump (2BV2071)

FOB Price: US $1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000/ Piece
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Port: Qingdao, China
Production Capacity: 300sets/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 2BV2071
  • Structure: Rotary Vacuum Pump
  • Vacuum Degree: High Vacuum
  • Working Conditions: Wet
  • Material: Casting Iron or Ss
  • Drive: Motor
  • Trademark: greentech
  • Specification: 2BV
  • HS Code: 8414
  • Oil or Not: Oil Free
  • Exhauster Method: Kinetic Vacuum Pump
  • Work Function: Fore Pump
  • Color: Blue
  • Connect: Direct Drive
  • Fre: 50Hz
  • Transport Package: Wooden Case
  • Origin: China
Product Description
Greentech International (Zhangqiu) Co., Ltd is the professional vacuum pump supplier.
2BV series water ring vacuum pumps are suitable for pumping the gases and steam. Its suction pressure can reach 33mbar (ABS) (i. e. 97 % vacuum degree). If the transformer oil is used as the operating liquid, these pumps are called oil ring vacuum pump and the suction pressure can reach 6.7mbar (ABS) (i. e. 99 % vacuum degree). So the oil ring vacuum pumps can replace the reciprocated vacuum pumps completely. When the liquid ring vacuum pumps work under the condition near the limited vacuum for a long time, it is necessary to couple with the cavitation protection pipe in order to get rid of the screaming and protect the pump.
Liquid Ring Vacuum Pump (2BV2071)

Liquid Ring Vacuum Pump (2BV2071)
Liquid Ring Vacuum Pump (2BV2071)
When the compressor is working, the maximum pressure is 0.26MPa (ABS). And the higher of discharge pressure, the larger of the power of the compressors. So it is necessary that the data of the discharge pressure is provided to choose the proper motor.
2BV2-Ex, 2BV6 series water ring vacuum pumps and compressors are mainly used for pumping the explosive gases or work in the flammable and explosive environment. The technical parameter of each type is the same as the corresponding type of the 2BV2 or 2BV5 series products.
2BV series stainless steel pumps can be used under the conditions with higher requirements for the corrosive-proof or the lustration.

According to the working situation, the material of all the parts where the liquid flows (i. e. Pump casing, pump cover, port plate, and impeller)are made of various stainless steel as bellow:
SUS304 (0Cr18Ni9), SUS316 (0Cr17Ni12Mo2), SUS316L (00Cr17Ni14Mo2)
The material of the shaft is 2Cr13 or 0Cr18Ni12Mo2Ti
The mechanical seals are used the John Crane products and the seals material is optional for FPM or PTFE.

2BV series products possess the characteristics as bellow
· The close-coupled design is convenient to install and can save space.
· The standard seals are all used the John Crane mechanical seals.
· 2BV series products have the cavitation protection port. When they work under the condition near the limited vacuum, the cavitation protect port opens (or connects with the separator)to get rid of the screaming to protect the pump.

· Aluminum bronze impeller is of high intensity and wearing well. The erosive-proof capacity of the pump can be improved by using it. If the parts where the liquid flows are made of the stainless steel, the pumps can be used under the more rigorous condition.
· The unique design of the discharge port can protect the pump from the over-pressure to ensure the best efficient performance in the working range of the pump.
· The motors are all adopted Y2 series products. The protection class is IP54 or IP55 (normal is IP44) and the insulation grade is F.
· The bearings are all used the imported products with brand name of NTN or NSK.
TypeSuction capacity
m 3 /min
Limited vacuum
mbar(MPa)
Motor power
kW
Explosive-proof grade of motorProtection grade of motorPump Speed
r.p.m
Liquid flowrate
L/min
Noise
dB(A)
Weight
kg
2BV2 0600.45










33mbar
(-0.098MPa)
1.1

No


IP54
288026231
2BV2 0610.861.5288026535
2BV2 0701.33328502.56656
2BV2 0711.83428604.27265
2BV2 060-Ex0.451.1

dIIBT4


IP55
288026239
2BV2 061-Ex0.861.5288026545
2BV2 070-Ex1.33328502.56666
2BV2 071-Ex1.83428604.27277
2BV5 1102.754


No



IP54
14506.763103
2BV5 1113.835.514508.368117
2BV5 1214.667.514501069149
2BV5 1316.661114301573205
2BV5 1618.33159702074331
2BV6 1102.754


dIIBT4



IP55
14506.763153
2BV6 1113.835.514508.368208
2BV6 1214.667.514501069240
2BV6 1316.661114301573320
2BV6 1618.33159702074446
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