Light Duty Corrosion Resistant Chemical Centrifugal Pump
The light-duty corrosion resistant chemical centrifugal pump is engineered for reliable, low-maintenance transfer of aggressive liquids in chemical processing, water treatment, and allied industries. Featuring a compact, single-stage end-suction design, this pump combines a corrosion-resistant wetted end—available in PP, PVDF, or FRP—with a robust metal armor or fully non-metallic construction to withstand acids, alkalis, and saline solutions. Its back pull-out configuration allows quick impeller and mechanical seal inspection without disturbing piping, while the closed impeller and precision-balanced rotor ensure stable hydraulic performance, low NPSHr, and smooth, vibration-free operation. Driven by a standard IEC motor and suitable for continuous duty, the pump delivers dependable service across a wide range of flow and head requirements.
The light-duty corrosion resistant chemical centrifugal pump is a foot-mounted, single-stage, single-suction, overhung light-duty centrifugal pump for general chemical process fluid transfer. It features a simple structure, reliable performance, small footprint, light weight, good cavitation (NPSH) performance and low energy consumption.
Applicable Standards: GB/T 3215, ISO 5199, API 682.
Configuration: Horizontal, single-stage, radially split volute casing, foot-mounted, axial end suction and radial top discharge, with suction and discharge flanges of the same pressure rating.
Modular Design: Shaft, casing cover, wear rings (seal rings), mechanical seal, bearings and other core components are highly interchangeable.
Product Structure Drawing:
01 Plug
11 Heating jacket (jacketed type)
21 Oil cup
31 Adjusting screw
02 Inlet pipe (jacketed type)
12 Pump cover
22 Oil hole plug
32 Oil sight glass
03 Wear ring
13 Outlet pipe (jacketed type)
23 Oil slinger
33 Bracket support
04 Mechanical seal (double face type)
14 Pump casing
24 Bearing housing
34 Retaining ring (for bore)
05 Impeller
15 O-ring
25 Double-row ball bearing
35 Bearing spacer
06 Impeller nut
16 Liner plate (jacketed type)
26 Bearing cover
36 Cylindrical roller bearing
07 Shaft
17 Seal gland
27 Lip seal
37 Lip seal
08 Shaft sleeve
18 Bearing cover
28 Locking sleeve
38 Water deflector
09 Mechanical seal (single face type)
19 Single-row ball bearing
29 Coupling key
39 Seal gland (external flush)
10 Wear ring
20 Bearing bracket
30 Locknut
40 Inlet/Outlet pipe (jacketed type)
Product Features:
High efficiency and reliability:Optimized hydraulic design ensures smooth running and excellent cavitation (NPSH) performance.
Wide adaptability:Closed impellers, semi-open impellers and fully steam-jacketed / heat-traced constructions are available to suit high-solids, low-NPSH and crystallizing media.
Excellent sealing:Designed to API 682, allowing flexible selection of various mechanical seal arrangements.
Intelligent monitoring:Tappings are provided for bearing temperature, oil-chamber temperature and bearing vibration measurement to support online condition monitoring.
Superior durability:Wetted parts are fitted with replaceable wear rings; the hardness differential and running clearances are controlled to extend service life.
Performance Coverage Chart:
Applications:
The light-duty corrosion resistant chemical centrifugal pump is suitable for handling low- or high-temperature liquids, neutral or corrosive liquids, and clean liquids or liquids containing a moderate amount of solid particles up to a certain size. It is widely used in petroleum, chemical, metallurgical, pharmaceutical, oleochemical, thermal power, nuclear power, paper-making, sugar-refining, seawater desalination, environmental protection engineering and chemical process industries.
Please provide medium, viscosity, temperature, required flow, discharge pressure, suction condition and installation space. Our engineers will recommend a rotary pump, centrifugal pump, sewage lifting unit or complete pump set within 24 hours.
Q
Can the pump handle high-viscosity or solids-laden fluids?
A
Yes. Twin-rotor lobe pumps are designed for high-viscosity, gas-liquid mixed and slightly solids-laden media. For abrasive slurry, we recommend a dedicated slurry centrifugal pump with wear-resistant materials.
Q
Do you support OEM / ODM and custom materials?
A
We provide OEM and ODM services, including customized rotor geometry, sealing systems, skid layout, control panels, and wetted parts in cast iron, stainless steel, duplex steel or other alloys.
Q
What is the warranty and after-sales response?
A
Standard warranty is 12 months after handover following 168 hours of trial operation. Technical staff can be dispatched for installation guidance, and quality issues are handled within 0–36 hours after notification.
