Duplex Steel Pump

Product Introduction: LobePro duplex stainless steel rotary pump (D series), with flow rate ranging from 0-1500 m3/h, pressure ranging from 0-12 bar, and special design up to 16 bar. The duplex stainless steel rotor pump (D series) is made of duplex stainless steel 2205 for both the pump casing and wear-resistant plate. The lobes ar made of FKM (HNBR,NBR ,EPDM or duplex stainless steel), and the sealed chamber pump end is made of stainless steel 316L or 2205. The pump shaft is made of high-quality alloy steel AISI4140 or 2205, and the balanced container mechanical seal (stainless steel casing+silicon carbide or tungsten carbide) is used. The synchronous gear reaches a precision of AGMA- 12 levels according to API676 standard. SKF bearings and the latest 4 and 6 wing spiral Lobes have no pulsation, low noise and high efficiency.

Functions and Advantages

The Rotary Lobe Pump is an internationally advanced technology rotary displacement pump that combines the advantages of centrifugal pumps and screw pumps. It consists of a set of rotors that rotate synchronously in reverse, gradually increasing the volume of the inlet chamber to form negative pressure, and then sucking in the material to be transported to form sealed chambers. The source continuously sucks in the pump chamber to gradually form pressure, and the medium is continuously discharged from the pump chamber.

Rotary Lobe Pump working principel.jpg

Advantages of LobePro rotary pump compared to peers:

1. Strong vacuum suction ability, with a maximum self-priming capacity of 8.5 meters;

2. Transport high solid content media, up to 80% (density ratio);

3. Can transport high viscosity colloids with a maximum viscosity of 100000 centipoise;

4. The maximum allowable passing size is 70mm;

5. The gap can be adjusted twice, which can save 70% of spare parts costs

6. The container machine seal is designed specifically for harsh working conditions, extending its lifespan by more than 50%.

7 occupies less space than screw pumps, and the pump head occupies one-third of the space of screw pumps;

8. It can be operated in both forward and reverse directions, with one pump for dual use;

9. Not sensitive to dry operation and cavitation;

LobePro rotary pumps are widely used in various fields such as municipal environmental protection, food and beverage, lithium-ion new energy, petrochemicals, metallurgy and mining, kitchen waste treatment, agriculture and animal husbandry, transportation, fire and drainage, papermaking and pulp.


Technical Parameters

  • Max.Flow Rate

    1500m3/h

  • Max. Water Head

    120m

  • Max.Self-Priming

    8.5m

  • Max.Solid Ccontent

    80%

  • Max. Viscosity

    500,000cp

  • Max.Partilce Size

    70mm