ISG / IRG Inline Centrifugal Pump

ISG / IRG Vertical Inline Centrifugal Pump 

Single Stage Pipeline Booster Pump for Water & Hot Water Circulation

Product Overview

The ISG / IRG Vertical Inline Centrifugal Pump is a single-stage pipeline circulation pump designed for industrial water supply, hot water systems, HVAC circulation and pressure boosting applications.

Engineered with an inline compact structure, this pump integrates directly into piping systems, reducing installation footprint while ensuring stable, high-efficiency fluid transfer.

Suitable for continuous industrial operation.

Pump Type

• Vertical inline centrifugal pump

• Single-stage impeller configuration

• Direct pipeline installation design

• Compact motor-pump integrated structure

Core Applications

• Industrial water circulation systems

• HVAC heating & cooling loops

• Boiler hot water circulation

• Pressure boosting systems

• Municipal water supply

• Cooling tower circulation

• Industrial process water transfer

Structural Features

• Vertical motor mounting

• Pipeline inline suction and discharge ports

• Flanged connection design

• Heavy-duty cast pump body

• High precision rotor assembly

• Low vibration base structure

• Compact installation footprint

Designed for mechanical stability and long service life.

Motor Configuration

• High-efficiency full copper motor winding

• IP55 protection rating

• Class F insulation

• Low noise operation

• Overheat protection system

• Continuous duty rated (24h operation capable)

Ensures stable torque output and long-term durability.

Hydraulic Performance

• High flow capacity

• Stable high head output

• Optimized impeller geometry

• Low cavitation risk

• Efficient fluid dynamics design

• Smooth pressure delivery

(Custom head, flow rate and power configurations available.)

Mechanical Seal System

• Stainless steel cartridge mechanical seal

• High temperature resistance

• Corrosion-resistant components

• Easy maintenance and replacement

• Suitable for hot and cold water applications

Impeller & Rotor System

• Stainless steel impeller

• Precision laser welding technology

• High balance accuracy

• Anti-corrosion surface treatment

• High-load bearing system

• Low noise bearing assembly

Provides stable rotational performance and long operational lifespan.

Installation Advantages

✔ Direct inline pipeline installation
✔ Reduced piping modification
✔ Space-saving vertical design
✔ Easy maintenance access
✔ Compatible with industrial flange standards
✔ Suitable for retrofit and new installations

Typical Operating Medium

• Clean water

• Hot water

• Mildly corrosive liquids (depending on configuration)

• Industrial circulating fluids

(Not suitable for high-solid content fluids without customization.)

Why Industrial Buyers Choose ISG / IRG Series

• Proven inline vertical design

• Energy-efficient motor performance

• Low maintenance structure

• High mechanical reliability

• Suitable for HVAC and industrial systems

• Scalable across multiple power ratings

• Customizable for project specifications