Lobe pump and twin screw pump similarities and differences
Similarities:
1, Both of lobe pump and twin screw pump are Positive displacement pump;
2, Both of lobe pump and twin screw pump are suitable for high viscosity medium ;
3, Both of lobe pump and twin screw pump are suitable for medium including particles ;
4, Both of lobe pump and twin screw pump support high flow rate & high pressure ;
5, Both of lobe pump and twin screw pump support inlet port & outlet port reversibility ;
Difference
1, Twin screw pump has self-primging ability, support CIP online cleaning .
2, Lobe pump may have damage for the particle in medium , twin screw pump no damage for the particle in medium , no pulses .
3, Lobe pump price is lower than Twin screw pump
4, Twin screw pump support 2P, 4P and 6P motor , lobe pump support 2P and 4P motor
5, Twin screw pump suitable for low & high viscosity medium.
According to ASME BPE, EHEDG, FDA and 3A standard, DONJOY got certificates of PED-97/23/EC and MD-06/42/EC issued by TUV, ……