UL 401:5ED 2014-10

Foreword
Introduction
1 Scope
2 General
3 Glossary
Construction
4 General
5 Materials
6 Controls for fire department nozzles
Performance
7 General
8 Discharge calibration test
9 Discharge pattern test for fire department nozzles
10 Discharge pattern test for nozzles rated for class
     C fires
11 Clogging test for fire department nozzles
12 Clogging test for unlined hose standpipe nozzles
13 Tests on controls
14 Hydraulic operations test
15 Tests on hand holds and ladder hooks for fire
     department nozzles
16 High temperature test for fire department nozzles
17 Low temperature test for fire department nozzles
18 Rough usage test
19 Leakage test
20 Hydrostatic pressure test
21 Salt spray corrosion test
22 Mercurous-nitrate immersion test
23 Nonmetallic nozzle tests
23A Elastomeric parts (except gaskets) test
24 Tests on rubber sealing materials
Marking
25 General

This revision of ANSI/UL 401 dated January 6, 2022 includes the following changes in requirements: – Clarification of Gasket Requirements; 6.3 – Clarification of Testing Operating Force for Nozzles with Multiple Flow Setting Adjustments; 14.8

1.1 These requirements cover portable hand line spray hose nozzles intended for general fire fighting or for use with fire hose mounted on standpipe systems.