2BV series water ring vacuum pumps are suitable for pumping the gases and steam.2BV series water ring vacuum pumps .........
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.
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. , , , )are made of various stainless steel as bellow:SUS304(0Cr18Ni9)SUS316(0Cr17Ni12Mo2)SUS316L(00Cr17Ni14Mo2)The material of the shaft is 2Cr13 or 0Cr18Ni12Mo2TiThe mechanical seals are used the John Crane products and the seals material is optional for FPM or PTFE.
2BV liquid ring vacuum pump
