Rotary Lobe Pump

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Rotary lobe pumps, also called positive displacement lobe pumps, are designed for transporting liquid with high viscosity (more than 650-1000mm²/s). Along with the compact size and hygienic construction, rotary lobe pumps are applicable to products including sensitive liquids with solids or large particles, viscous products and emulsion, and conform to standards of food, beverage and dairy industries.

Specification (model selection)

Model	Displacement (liters/100revs)	Power (KW)	Connection size (mm)	L	H	H1	W	W1	Connection type
ZB3A-3	3	0.55	Ф25x1.5	710	290	150	150	240	Clamped connection Threaded connection Flange connection
ZB3A-6	6	0.75	Ф25x1.5	780	390	170	190	240
ZB3A-8	8	1.5	Ф32x1.5	850	400	170	190	280
ZB3A-12	12	2.2	Ф38x1.5	980	450	185	220	330
ZB3A-20	20	3	Ф38x1.5	1000	450	190	250	330
ZB3A-30	30	4	Ф50.8x1.5	1050	480	220	270	350
ZB3A-36	36	4	Ф38x1.5	1100	490	220	270	360
ZB3A-52	52	5.5	Ф50.8x1.5	1250	580	260	270	480
ZB3A-66	66	7.5	Ф63.5x1.5	1350	600	260	270	480
ZB3A-78	78	7.5	Ф63.5x1.5	1260	600	295	370	480
ZB3A-100	100	11	Ф76x2	1320	670	295	370	480

We can customize rotary lode pumps according to your requirements. You only need to provide:

Name of medium or liquid for transporting
Viscosity and temperature (ranging from -20℃to 150℃) of medium
Requirements of head, pressure and volume displaced in liters/100 revolutions
Number and size of particles in medium
Connection type
Material of pump casing (304,346 or 316L stainless steel)
Equipping with cooling and heating devices or not
O-ring material: silica rubber is normally used as standard material for O-ring. Besides, fluorine rubber O-ring, PTFE O-rings and nitrile O-rings are also available for user to choose.
Mechanical seal material: the standard seal material is silicon carbide/hard alloy. Graphite and silicon carbide, graphite and ceramics can also be selected according to different mediums.
Equipping with trolley or not.

Installation instruction

Three driving modes are available：

Motor + speed reducer:
This driving mode is simple, with constant rotary speed of rotor.
Motor + mechanical stepless speed regulator:
The speed regulator can only be manually adjusted under shut off state.
Variable-frequency drive + frequency converter:
The speed can be adjusted automatically, with good automation and large low speed torque.