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Manufacturing precision of sanitary grade rotary lobe pump

Publish Time: 2023-03-27     Origin: Site

Sanitary grade rotary lobe pumps are a necessary positive displacement pump to transfer various viscous fluids in some industry, which need higher sanitation level, such as food industry, pharmaceutical industry, and persons & home care industry, etc. High sanitary requirements mean that there are more strict requirements for rotary lobe pump with structure design without sanitary dead angle, raw material incoming inspection and production and processing. As such, it is important for us to manufacturing precision of rotary lobe pump to meet user’s high hygiene requirements. This blog post will cover the design of lobe pumps with sanitary grade and explain the characteristic of a sanitary grade pumps. It will discuss the features and benefits of using sanitary grade rotary lobe pumps, it's advantage with other positive displacement pumps in various applications.

  • Design considerations of sanitary rotary lobe pump

  • Structural characteristics of sanitary rotary lobe pump

  • Rotary lobe pumps and other positive displacement pumps

  • Superior performance of sanitary rotary lobe pump

Design considerations of sanitary rotary lobe pump

The superior performance of sanitary rotary lobe pump is well-documented. These pumps are designed to meet the highest standards of hygiene and sanitation while providing superior performance and reliability. Sanitary grade lobe pumps are designed to resist heat and wear, and they are also designed no sanitary blind spot with a low-maintenance design that requires minimal service and maintenance. Furthermore, these pumps are designed to handle a wide range of fluids. This superior performance and reliability makes these pumps an ideal choice for industries that require the highest quality of pumping products.

Structural characteristics of sanitary rotary lobe pump

Sanitary rotary lobe pump is different from common type design, such as internal surface finish, rotor and O-ring, shaft, I&O processing standard and other small details. They are designed to provide high hygiene level and safety in demanding industrial environments. Their construction consists of high-quality stainless steel, the surface roughness for pump wetted parts is 0.2um--0.6um, The pumps has sanitary rotor, rotor locking nut O - ring, pump body without sanitary dead angle, higher sanitary grade. Support CIP, SIP online cleaning and sterilization. And the pumps have gotten 3A, FDA certification. Furthermore, the pump's well-designed seals create a secure barrier, preventing leakage and preserving the product's quality. This design also ensures the pump has a longer operating life and can handle a wide range of operating conditions.


Sanitary rotary lobe pump and other positive displacement pumps

Compared to other positive displacement pumps, the major advantages of sanitary rotary lobe pump as follow: gap is kept between the rotors and between the rotors and the pump body, no friction; no sanitary dead angle and less easily-damaged parts; simple assembling and disassembling, easy to maintenance and support online cleaning, , etc. The material used in the construction of these pumps is made from durable and high precision stainless steel. It can meet all kinds of high sanitary requirements of customers.

Superior performance of sanitary rotary lobe pump

The lobe pump with sanitary grade is designed to offer maximum efficiency with low maintenance costs. The construction and design of this pump are such that it requires minimal service and maintenance. It has a durable stainless steel frame and components that are resistant wear, and reliable mechanical seal, make it has long using-life. Furthermore, it easy to disassemble and easy-to-replace parts help ensure that it runs efficiently at all times. The combination of low maintenance cost and maximum efficiency make the lobe pump with sanitary grade a great option for any industrial application.


Rotary lobe pump with sanitary grade is an ideal choice for applications that require online cleaning and high hygiene level. They are capable of handling many different fluids in various industries. Durrex is the largest manufacturer of rotary lobe pumps and homogeneous pumps in China, and its products are worth buying with confidence.


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Email: vicky@durrex-pump.com
Add: No.118, Qishan Road, Yinzhou Economic & Development Zone, Ningbo, 315145, China
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