MODEL	Suction capacity(m3/min)	Power(KW)	Speed(rpm)	Model of Drive	Weight(kg)
2FE1 253	28	45	565	Belt	1695
2FE1 253	30	55	590	Direct Coupling	/
2FE1 253	35	55	660	Belt	1785
2FE1 253	39	75	740	Direct Coupling	2215
2FE1 253	43	90	820	Belt	2055
2FE1 253	46	90	880	Belt	2060

**Specialties**
A	2FE1 series liquid ring vacuum pump and compressor are high-efficiency and energy-saving products developed by our factory based on years of scientific research achievements and production experience, combined with advanced technology of international similar products.
B	It is commonly used to pump gases that are free of solid particles and non-corrosive to create vacuum and pressure in a closed vessel. By changing the flow material (SS304/316/316L), it can also be used to pump corrosive gases or corrosive liquids as working fluids. Widely used in paper, chemical, petrochemical, light industry, pharmaceutical, food, metallurgy, building materials, stone tools, coal washing, mineral processing, fertilizer and other industries.
C	This series of pumps adopts single-stage single-acting structure, which has the advantages of simple structure, convenient maintenance, reliable operation, high efficiency and energy saving, and can adapt to the harsh working conditions such as large liquid discharge and load shock fluctuation. The exhaust system of the 2FE1 series liquid ring vacuum pump adopts a unique PTFE valve plate structure (the original water ring pump is a ball valve structure). The valve plate covers the vent hole on the outside of the flat disc and is positioned by the stainless steel baffle on the other side. The valve plate changes its bending degree as the inlet pressure changes, so that the pumping medium reaches the inlet pressure. Can be discharged outside the pump. The structure avoids over-compression in the vacuum system and automatically adjusts the exhaust area to reduce energy consumption for optimum operating efficiency.
D	We have optimized the system for key parts such as distribution plate, impeller and pump shaft, simplifying the structure, improving performance and achieving energy saving. We use welding impeller, the blade is stamped and formed once, and the profile is reasonable; The problem of dynamic balance has been solved fundamentally. The impeller and the pump shaft adopt hot-filled interference fit, which has reliable performance and stable operation. After the impeller is welded, the overall heat treatment is good, and the blade has good toughness, which makes the blade's impact resistance and bending resistance fundamentally guaranteed, and can adapt to the harsh working conditions of load shock fluctuation.
E	2FE1 series pump, self-contained separator, exhaust ports , pump cover with exhaust valve inspection window, the impeller and distribution plate clearance through the positioning shaft at both ends of the gland adjustment, easy to install and use, easy to operate, Easy to repair.The vacuum pump is tested by the inspection center before leaving the factory, and the performance is superior, reliable and durable.

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