UL162 Foam Expansion & Drainage Time Tester

Publish Time: 2025-03-07     Origin: Site

UL162 Foam Expansion & Drainage Time Tester

1. Scope of application:

This precision testing instrument is designed to evaluate the foam expansion ratio and 25% drainage time of low-expansion foam solutions, It features a stainless steel foam collection tank,high-precision flow control (0.3–0.65 MPa), and automated timing for accurate, repeatable results. The system supports international standards such as ISO 7203-1, EN 1568-1, UL 162, and NFPA 11, making it ideal for global certification testing. it ensures reliable performance for foam concentrate manufacturers, fire safety labs, and regulatory compliance teams.

 

2.Standard

1. ISO 7203-1:2023

Foam fire extinguishing media – Part 1: Specification for low-expansion foam concentrates for top application to water-immiscible liquids

 

2. EN 1568-1:2020

   Fire extinguishing media – Foam concentrates – Part 1: Specification for low-expansion foam concentrates for surface application to water-immiscible liquids

 

 

3. UL 162:2022

Standard for Foam Equipment and Liquid Concentrates

 

4.NFPA 11:2025

Standard for Low-, Medium-, and High-Expansion Foam

  

5.ASTM D1881-21  

Standard Test Method for Foaming Properties of Surface-Active Agents

 

6.JIS K 4814:2020  

Foam fire extinguishing agents  

  

7. AS 1851-2024  

  Routine service of fire protection systems and equipment

 

3.Equipment compatibility description

The measuring device meets the requirements of multiple standards through the following designs:

 

1.Foaming multiple test: It uses a standard foam gun (such as PQ4/PQ8) and a measuring cylinder method, which meets the flow control and data acquisition requirements of ISO 7203-1 and EN 1568.


2.Liquid separation time measurement: The brass/stainless steel material of the liquid separation receiving tank and the automatic timing function meet the accuracy requirements of UL 162 and NFPA 11.

 

3. Pressure control: The proportional control valve and electromagnetic flowmeter ensure stable liquid supply pressure (0.3–0.65 MPa), which is compatible with the test conditions of ASTM D1881.




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