Roots Water Circulation Vacuum Unit

Ⅰ. Water circulation vacuum unit usage

Roots pump and water circulation pump unit is widely used for vacuum distillation, vacuum evaporation and dehydration crystallization in chemical industry, freeze drying in food industry, vacuum drying in pharmaceutical industry, polyester chip in textile industry, high altitude simulation test and so on.

Ⅱ. principle of water circulation vacuum unit

Roots water circulation vacuum unit using water circulation pump as the first stage pump is more favorable than others, it overcomes the limit pressure of using single water pump (extreme pressure units have greatly improved than water circulation pump), the pumping rate is low under certain pressure, while retaining the roots pump can work quickly, has the advantages of quicker pumping speed. It is especially suitable for pumping a lot of condensable steam, especially when gas oil seal mechanical vacuum pump excludes condensable steam capacity, or the solvent used can make the pump oil deteriorate and affect the performance, or the vacuum system does not allow oil contamination. When equipped with explosion-proof motor and electrical applicances and comply with the corresponding safety rules, flammable and explosive gas can be removed.

In general, roots vacuum pump used water circulation pump is more favorable than others, this is mainly because it can remove a lot of condensable vapors, especially when gas seal mechanical vacuum pump to exclude condensate steam capacity is not enough, or the use of solvent to pump oil the deterioration of impact performance, or when the vacuum system does not allow oil pollution is more obvious.

Ⅲ. Water circulation vacuum unit technical parameters

Model	Pump models			Pumping speed(L/S)	Ultimate pressure		Gas inlet diameter径(mm)	Gas outlet diameter(mm)	Motor power (kw)
	Main pump	First stage pump							Main pump	First stage pump
		Ⅰ	Ⅱ		hPa	Torr				Ⅰ	Ⅱ
ZKS150-3	ZJP-150	-	2SK-3	150	2.7	2	100	50	2.2	-	7.5
ZKS150-1	ZJP-150	-	2SK-6A	150	2.7	2	100	50	2.2	-	11
ZKS300-3	ZJP-300	-	2SK-6A	300	2.7	2	150	50	4	-	11
ZKS150-21	ZJP-150	ZJP-70	2SK-3	150	6.7×10-1	5×10-1	100	50	2.2	1.1	7.5
ZKS300-21	ZJP-300	ZJP-150	2SK-6A	300	6.7×10-1	5×10-1	150	50	4	2.2	11
ZKS300-41	ZJP-300	ZJP-70	2SK-3	300	6.7×10-1	5×10-1	150	50	4	1.1	7.5
ZKS600-41	ZJP-600	ZJP-150	2SK-6A	600	6.7×10-1	5×10-1	200	50	7.5	2.2	11
ZKS1200-43	ZJP-1200	ZJP-300	2SK-6A	1200	6.7×10-1	5×10-1	250	50	11	4	11
ZKSY150-3	ZJP-150	-	2YK-3	150	6.7×10-1	5×10-1	100	50	2.2	-	7.5
ZKSY300-3	ZJP-300	-	2YK-6	300	6.7×10-1	5×10-1	150	50	4	-	11
ZKSY150-21	ZJP-150	ZJP-70	2YK-3	150	5×10-3	3.8×10-3	100	50	2.2	1.1	7.5
ZKSY300-21	ZJP-300	ZJP-150	2YK-6A	300	2.6×10-3	2×10-3	150	50	4	2.2	11
ZKSY300-41	ZJP-300	ZJP-70	2YK-3	300	5×10-3	3.8×10-3	150	50	4	1.1	7.5
ZKSY600-41	ZJP-600	ZJP-150	2YK-6A	600	2.6×10-3	2×10-2	200	50	7.5	2.2	11
ZKSY1200-43	ZJP-1200	ZJP-300	2YK-6A	1200	2.6×10-3	2×10-2	250	50	11	4	11
ZKSS150-1P	ZJP-150	-	2SK-6AP	150	4×10-1	3×10-1	100	50	2.2	-	11
ZKSS150-3P	ZJP-150	-	2SK-3P	150	4×10-1	3×10-1	100	50	2.2	-	7.5
ZKSS300-3P	ZJP-300	-	2SK-6AP	300	4×10-1	3×10-1	150	50	4	-	11
ZKSS150-21P	ZJP-150	ZJP-70	2SK-3P	150	2×10-2	1.5×10-2	100	50	2.2	1.1	7.5
ZKSS300-21P	ZJP-300	ZJP-150	2SK-6AP	300	2×10-2	1.5×10-2	150	50	4	2.2	11
ZKSS300-41P	ZJP-300	ZJP-70	2SK-3P	300	2×10-2	1.5×10-2	150	50	4	1.1	7.5
ZKSS600-41P	ZJP-600	ZJP-150	2SK-6AP	600	2×10-2	1.5×10-2	200	50	7.5	2.2	11
ZKS1200-41P	ZJP-1200	ZJP-300	2SK-12P	1200	2×10-2	1.5×10-2	250	80	11	4	22
ZKSS600-21P	ZJP-600	ZJP-300	2SK-12P	600

　　Water circulation vacuum unit series

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Roots water Circulation Vacuum Unit

Roots water circulation vacuum unit

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