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AFB and FB type single-stage, single-suction, cantilevered corrosion-resistant centrifugal pumps
The AFB centrifugal pump is a single-stage, single-suction, cantilever-type corrosion‑resistant centrifugal pump, improved upon the design of the F‑type corrosion‑resistant pump. All wetted components in contact with the conveyed medium are manufactured from 1Cr18Ni9Ti material. It is intended for handling corrosive liquids free of solid particles, with a working temperature range of –20°C to 130°C. The pump’s inlet pressure is generally limited to no more than 0.2 MPa; however, with special design modifications, it can also operate under conditions where the inlet pressure reaches 0.35 to 0.4 MPa.
Category:
Chemical and petroleum pump series
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Product Description
Product Overview of AFB and FB Type Stainless Steel Corrosion-Resistant Chemical Centrifugal Pumps
The AFB centrifugal pump is a single-stage, single-suction, cantilever-type corrosion‑resistant centrifugal pump, improved upon the design of the F‑type corrosion‑resistant pump. All flow‑path components that come into contact with the conveyed medium are manufactured from 1Cr18Ni9Ti material. It is intended for handling corrosive liquids free of solid particles, with a working fluid temperature ranging from –20°C to 130°C. The pump’s inlet pressure is generally limited to no more than 0.2 MPa; however, with special design modifications, it can also operate under conditions where the inlet pressure reaches 0.35–0.4 MPa.
The AFB-type stainless steel corrosion‑resistant centrifugal pump boasts excellent sealing performance, offering three distinct sealing configurations—impeller‑driven auxiliary seal, standby seal, mechanical seal, and labyrinth seal—that can be interchanged to suit user requirements.
Application Scope of AFB and FB Type Stainless Steel Corrosion-Resistant Chemical Centrifugal Pumps
Our factory has established a standardized production line for AFB‑type corrosion‑resistant centrifugal pumps in multiple specifications, which are widely used in industries such as chemical engineering, petroleum, metallurgy, light industry, synthetic fibers, pharmaceuticals, and food processing. These products boast stable performance, reliable operation, excellent sealing, a compact structure, and convenient maintenance. They have played a significant role in enhancing product quality, minimizing leakage, preventing contamination, and improving the environment, earning widespread acclaim from users.
Technical Parameters of AFB and FB Type Stainless Steel Corrosion-Resistant Chemical Centrifugal Pumps
Flow rate: 3–200 m³/h
Lift: 15–65 m
Rotational Speed: 2900 r/min
Diameter: Φ25–Φ150
Working pressure: maximum 0.7 MPa
Medium temperature: -20~+130 ℃
Meaning of the Model Designations for AFB and FB Type Stainless Steel Corrosion-Resistant Chemical Centrifugal Pumps
For example: 50AFB-25A
50 - Pump suction inlet diameter (mm)
A – Impeller-driven shaft sealing device (without A, a mechanical seal of type FB is used)
F - Single-stage, single-suction, cantilevered, corrosion-resistant
B - The wetted parts of the pump and conveying system are manufactured from 1Cr18Ni9Ti.
25 - The pump’s head at the design point is 25 (mm).
A - Impeller first cut (B is the second)