Sanitary Rotary Lobe Pump

Sanitary Rotary Lobe Pump
Sanitary Rotary Lobe Pump
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Sanitary Pumps for Hygienic & Industry Processes, Stainless Steel Pumps

As a positive displacement pump, sanitary rotary lobe pumps feature a low rotation speed and high-temperature resistance. The stable continuous pumping maintains the physical properties of materials, making them especially suitable for highly viscous, corrosion resistant and high temperature materials. The maximum viscosity reaches 1,000,000CP.

Rotary lobe pumps also perform well in conveying low viscosity materials. When needed to pump such materials, the drive system turns at higher speed to ensure the stable output flow.

Taking workplaces into consideration, we provide an added heat jacket to guarantee the constant material temperature and avoid freezing under low temperature conditions.

Form
Working Principle
  • The rotary pump uses two rotors with synchronously reversing rotation to create the suction (vacuum) in the inlet for conveying materials.
  • Two rotors divide the chamber into several parts and rotate in order (a→b→c→d).
  • To a, only I part is filled with materials;
  • To b, B part closes off partial materials;
  • To c, A part also closes off partial materials;
  • To d, A, B and II part build the connection for conveying materials.
  • After continuous circulations, materials are constantly conveyed to the outlet.
Types of Rotary Lobes
Tri-lobe

It is widely used for conveying viscous materials.

Butterfly Lobe

It is commonly used for pumping viscous materials containing solid particles, some of which may be broken along the way.

Single Lobe

It conveys solid materials containing large particles. The specially shaped design avoids particle damage.

Multi-lobe

The multi-lobe pump increases the pumping material stability, though it easily breaks particles along the way.

Specifications:

Shown here are a few sanitary rotary lobe pumps available for customers to choose from.

Model Power (kw) Displacement Per 100 RPM (L) Speed Control Range (r/min) Flow (L/H) Pipe Diameter of Inlet and Outlet (mm)
ZB3A-3 0.55 3 200-500 300-800 25/DN20
ZB3A-6 0.75 6 200-500 650-1600 25/DN20
ZB3A-8 1.5 8 200-500 850-2160 38/DN40
ZB3A-12 2.2 12 200-500 1300-3200 38/DN40
ZB3A-20 3 20 200-500 2100-5400 51/DN50
ZB3A-30 4 30 200-500 3200-6400 51/DN50
ZB3A-36 4 36 200-400 3800-7600 63/DN65
ZB3A-52 5.5 52 200-400 5600-11000 76/DN80
ZB3A-66 7.5 70 200-400 7100-14000 63/DN65
ZB3A-78 7.5 78 200-400 9000-18000 76/DN80
ZB3A-100 11 100 200-400 11000-21600 89/DN80
ZB3A-135 15 135 200-400 15000-30000 89/DN80
ZB3A-160 18.5 160 200-400 17000-34000 89/DN80
ZB3A-200 22 200 200-400 21600-43000 89/DN80
ZB3A-300 30 300 200-400 31600-63000 102/DN100
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