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
  • Green Industrial Transformation in Inner Mongolia: Multiple Gas Boilers from ZOZEN Boiler Support Local Manufacturing
    The vast land of Inner Mongolia is undergoing a profound green industrial transformation. From fine chemical parks in Wuhai to food processing bases in Hohhot, traditional high-energy-consumption production models are gradually shifting toward cleaner and lower-carbon operations. In this wave of industrial upgrading, Wuxi Zozen Boilers Co., Ltd. (hereinafter referred to as “ZOZEN Boiler”), a manufacturer with over 30 years of experience in industrial thermal equipment, has delivered ...
    10 Mar 2026
  • ZOZEN Boiler Expands African Footprint: High-Efficiency Coal-Fired Steam Boiler Dispatched to Zimbabwe
    Recently, at the modern production base of Wuxi ZOZEN Boiler Co., Ltd. (hereinafter referred to as "ZOZEN Boiler"), a set of SZL series coal-fired steam boiler has completed strict quality inspection and packaging processes and was officially loaded for shipment to Zimbabwe. As an export-oriented boiler manufacturer, ZOZEN Boiler's cooperation with a well-known Zimbabwean paper enterprise is not only a reflection of "Made in China" deepening its presence in the African market but also a testamen...
    03 Mar 2026
  • ZOZEN Boiler 2026 Sales Conference Successfully Held
    Spring brings new life and new beginnings. On February 25, 2026, the ninth day of the first lunar month—a date symbolizing longevity and good fortune—the "2026 ZOZEN Boiler Sales Conference & 2025 Annual Sales Awards Ceremony" was successfully held at the ZOZEN headquarters by Taihu Lake, Wuxi. The conference was themed "United We Start: Upholding Integrity with Innovation, Marching Towards Intelligence." General Manager Mr. Zhang Guoping, department heads, and the entire domest...
    25 Feb 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity