zozen boiler
Home Service FAQs FAQ of thermal oil heater What are the installation requirements for the circulating pump of the thermal oil heater?

What are the installation requirements for the circulating pump of the thermal oil heater?

27 Nov 2020

The installation requirements for the circulating pump of the thermal oil heater

1) Quantity. The circulating system should include at least two sets of heat oil circulating pumps. On is a working pump and the other is a standby pump.

2) Head. The rate of flow and head of the circulating pump must ensure the flow velocity of heat medium oil in the thermal oil heater. The flow velocity on the radiation heating surface should not be less than 2 meters per second, and the flow velocity on the convention heating surface should not be less than 1.5 meters per second.

3) Power. There should be a backup power supply or other equipment in the boiler room to ensure the normal operation of the circulating pump in the event of a power failure.

4) Filter. The filter should be installed at the inlet of the circulating pump and should be cleaned regularly.

5) Filling pump. The appearance, installation size and basic conditions of the filling pump should refer to the product documents and installation instructions.

Related FAQs View More
Related news View More
  • ZOZEN Boiler Continues to Deepen 6S Management: From Workplace Standards to Manufacturing Coordination
    In industrial boiler manufacturing, the condition of materials, the organization of work areas, coordination between production processes, and safety requirements all affect the stability of manufacturing operations. As a boiler manufacturer, ZOZEN Boiler continues to promote 6S management by integrating Seiri, Seiton, Seiso, Seiketsu, Shitsuke, and Safety into daily workshop operations. The company is extending 6S management from workplace improvement to material control, process coordination, ...
    28 Jul 2026
  • Solemn Statement of ZOZEN Boiler on Combating Counterfeiting and Infringement
    In recent years, Wuxi ZOZEN Boilers Co., Ltd. (“ZOZEN Boiler”) has continued to develop the domestic and overseas industrial boiler markets. With stable and reliable product quality, comprehensive technical services, and sound brand reputation, its products have been widely applied in various industries, including food, chemical, textile, paper, pharmaceutical, and new energy industries, and have been exported to multiple countries and regions worldwide. As the brand influence of ZO...
    27 Jul 2026
  • From the Andes to São Paulo: How ZOZEN Boiler Is Expanding Its South American Industrial Footprint
    South America is rich in agricultural and energy resources and has a diverse manufacturing base. Industries such as papermaking, packaging and sugar processing are upgrading their production equipment as market and environmental requirements evolve. For these companies, a boiler is more than a steam source. Its performance affects production continuity, fuel consumption, process quality and emissions management. Through projects in Venezuela, Brazil and Ecuador, ZOZEN Boiler has continued to ex...
    21 Jul 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity