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 Gas Hot Water Boilers: The High-Efficiency Core Powering Clean Heating Projects in Northern China
    As clean heating upgrades continue to accelerate across northern China, high-efficiency and environmentally compliant heating equipment has become essential to ensuring winter heating security while supporting the country’s carbon reduction goals. In Tianjin, several large district heating companies have independently selected the same core solution — the ZOZEN SZS series gas-fired hot water boiler — delivering stable heat throughout the winter while contributing to improved ai...
    27 Jan 2026
  • ZOZEN Boiler Empowers the Rare Earth Capital High-Quality Development with High-Efficiency Thermal Oil Solutions
    The Regulations on the Administration of Rare Earths, effective from October 1, 2024, are accelerating the rare earth industry’s standardized and intensive transformation under the framework of resource protection, compliant governance, and green development. As demand for rare-earth permanent magnet materials from sectors such as new energy vehicles, wind power, and intelligent manufacturing stabilizes and improves, industry sentiment is rebounding. As the “World Capital of Rare Ear...
    20 Jan 2026
  • ASME Certification Powers ZOZEN Boiler’s Multi-Industry, Multi-Region Growth
    Against the backdrop of accelerated global carbon reduction and increasingly stringent safety and environmental supervision, internationally recognized compliance qualifications have become an important foundation for industrial equipment manufacturers to expand into overseas markets. With ASME (American Society of Mechanical Engineers) certification as a core cornerstone, ZOZEN Boiler continues to advance the international upgrade of product compliance and engineering service capabilities, driv...
    13 Jan 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity