None, Pump Only Progressing Cavity Pumps
Last Updated: April 1, 2025
Description
Progressing cavity pumps are designed to transport fluids by forming tightly sealed cavities that move from the suction side to the discharge side of the pump. These pumps are particularly effective in handling thick or viscous fluids, providing a steady and predictable flow rate.
Working Principle
Progressing cavity pumps operate by the rotation of a single-helix metal rotor inside a double-helix elastomeric stator. This configuration creates a series of cavities that transport the fluid without shearing or emulsification. The sealing line between the rotor and stator ensures that each cavity is isolated, allowing the pump to handle solids, liquids, gases, or any combination thereof with ease. This design prevents vapor lock and allows the pump to handle a wide range of viscosities, making it particularly useful for applications involving slurries or fluids with suspended solids .
Applications
Progressing cavity pumps are versatile and can be used in various applications. They are commonly employed in wastewater treatment for moving untreated sewage, excess sludge, or concentrated slurries . In the chemical industry, they are used for chemical metering and transferring slurries to blending tanks . Additionally, these pumps are suitable for sanitary and sterile applications in pharmaceutical, chemical, and food processing industries, where they can be easily cleaned or disassembled .
Advantages over other Progressing Cavity Pumps
One of the key advantages of progressing cavity pumps is their ability to handle slugs, eliminating the need for slug catchers. They also offer a cost-effective alternative due to their simple construction and ability to handle a wide range of viscosities without vapor locking .
Limitations
Progressing cavity pumps have certain limitations, particularly related to the elastomeric stator, which may be susceptible to chemical attack and high temperatures. They are generally limited to depths of less than approximately 4000 to 6000 feet, and while performance to 6000 to 7000 feet is possible, operational problems may arise .
Considerations
When considering progressing cavity pumps, it is important to evaluate initial costs, operating expenses, and maintenance requirements. These pumps are generally reliable when used according to manufacturer specifications, but the elastomeric stator may require replacement if exposed to harsh chemicals or high temperatures. Additionally, the durability and accuracy of the pump can be influenced by the viscosity of the fluid being transferred and the lift required .
from SEEPEX Inc.
SEEPEX BTEI range pumps are a further development of the BTI and BTE pumps. They have individually adjustable supply tanks, which replace additional storage in the system. Conveying Medias. For highly viscous to semi-solid products that tend to bridge. Properties. Conveying capacity: 0.5 m ³/h... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 440.0
- Discharge Size: 10.000
from NETZSCH Pumps North America, LLC
Few moving parts, small hydraulic loss, high efficiency, no pulsation [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 1300.0
- Liquid Flow: 0.7
- Media Temperature: 320
from SEEPEX Inc.
SEEPEX BTI range pumps offer a rectangular hopper with an integrated and adjustable bridge breaker. Conveying Medias. For highly viscous to semi-solid products that tend to bridge. Properties. Conveying capacities: 100 l/h – 130 m ³/h (0.44 USGPM – 572 USGPM). Pressure: up to 36 bar... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 572.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX BTQ range pumps have a wide square inlet and an identical footprint to the BN range pumps. Conveying Medias. For medium to highly viscous products with low flowability. Properties. Conveying capacity: 50 l/h – 100 m ³/h (0.22 – 440 USGPM). Pressure: up to 24 bar (350 psi). [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 350.0
- Liquid Flow: 440.0
- Discharge Size: 6.000
from SEEPEX Inc.
SEEPEX metering pumps achieve a metering accuracy of ±1%. They ’re used wherever low to highly viscous media, media containing solids and chemically corrosive media are processed and all with low pulsation and to the exact drop. Key Facts. Conveying Capacity 0.2 l/h - 1,000 l/h 0.053... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 350.0
- Liquid Flow: 5.4
- Discharge Size: 0.500
from SEEPEX Inc.
The BTM range pumps have an integrated macerating device in the compression zone which allows for easy processing in subsequent processes. Conveying Medias. For products with large pieces of fruits and vegetables. Properties. Conveying capacity: 0.25 m ³/h – 130 m ³/h (1.1 USGPM... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 350.0
- Liquid Flow: 572.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX open hopper pumps handle viscous to semi-solid products with low or no flowability. They come in 10 ranges with multiple variations within each range and are suitable for nearly all industrial sectors. For highly viscous, semi-solid and shear-sensitive products that tend to bridge. Conveying... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 572.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX BTHE range pumps feature a large open hopper with vertical walls. The centric and edge running ribbon screw ensures an optimum product inflow to the pump's conveying elements. Conveying Medias. For highly viscous to semi-solid products that tend to bridge. Properties. Conveying capacity: 0.5... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 572.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX BTVE range pumps are designed with an enlarged rectangular open hopper and a sliding compression casing. Conveying Medias. For highly viscous and semi-solid products that tend not to bridge. Properties. Conveying capacity: 0.5 – 120 m ³/h (2.2 – 530 USGPM). Pressure: up to 36... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 530.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX BT range pumps have a large rectangular open hopper with a compression zone and auger feed screw. Conveying Medias. For highly viscous products with low flowability. Properties. Conveying capacities: 100 l/h – 300 m ³/h (0.44 USGPM – 1,320 USGPM). Pressure: up to 36 bar (525... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 525.0
- Liquid Flow: 1320.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX BTEX range progressive cavity pumps with their robust design and reinforced components are used in extreme conveying applications in the agriculture and biogas industries. Conveying Medias. Products commonly found in the agriculture and biogas industries. Properties. For extreme conveying... [See More]
- Power Source: NoSourceIncluded
- Discharge Size: 10.000
- Discharge Pressure: 120.0
- Pump Housing Material: Cast Iron (optional feature); Plastic (optional feature); Stainless Steel (optional feature); HDPE
from SEEPEX Inc.
SEEPEX food pumps are used in the pharmaceutical, food, cosmetic and chemical industries or wherever a clean, sterile and hygienic atmosphere is needed. They comply with the most stringent hygiene regulations like FDA, 3-A Sanitary Standards and EHEDG and are also maintenance-friendly. Key Facts. [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 348.0
- Liquid Flow: 572.0
- Discharge Size: 6.000
from SEEPEX Inc.
SEEPEX BTES range pumps have large hopper lengths and a shuttered closing system making them ideal for silo discharge systems. The pumps also ensure simple maintenance even when the silo is full. Conveying Medias. For highly viscous to semi-solid products from silo systems. Properties. Conveying... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 350.0
- Liquid Flow: 572.0
- Discharge Size: 10.000
from SEEPEX Inc.
Product group N pumps are the basis for SEEPEX progressive cavity pumps. They are used in almost all industrial sectors and convey low to highly viscous media with or without solids. Those benefits along with others ensure the pump ’s economical operation. Key Facts. Conveying Capacity 30 l/h... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 1400.0
- Liquid Flow: 2200.0
- Discharge Size: 10.000
from SEEPEX Inc.
SEEPEX semi-submersible pumps drain full containers, basins and barrels. They convey abrasive or corrosive conveying products with low to high viscosity. Individually sized and designed for the application, they are easy to maintain and have low operating costs. Overall, our semi-submersible pumps... [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 180.0
- Liquid Flow: 1300.0
- Discharge Size: 8.000
from SEEPEX Inc.
SEEPEX wobble-stator pumps work reliably in many industries. They efficiently transfer liquids of thin to moderate viscosities, even with a high solids content. In contrast to conventional progressive cavity pumps they have a rotating unit with only one joint, which is why the stator “wobbles. [See More]
- Power Source: NoSourceIncluded
- Discharge Pressure: 58.0
- Liquid Flow: 10.6
- Discharge Size: 1.000