UL 404

UL 404

Click here to purchase
Please note: All interim revisions for this edition available at time of your purchase will be included.

Gauges, Indicating Pressure, for Compressed Gas Service

UL 404

1 Scope

1.1 These requirements cover indicating pressure gauges of the elastic element type usually employed in the high-pressure side of regulators or reducing valves used on compressed gas containers or cylinders of oxygen, hydrogen, nitrogen, and other gases. Such gauges usually have pressure ranges of 0 – 1500, 0 – 2000, 0 – 3000, 0 – 4000, 0 – 5000, or 0 – 6000 pounds per square inch (psi) (0 – 10.34, 0 – 13.78, 0 – 20.68, 0 – 27.56, 0 – 34.47, or 0 – 41.36 MPa).

Product Details

Edition:
8th
Published:
10/08/2010
Number of Pages:
10

You may also like

UL 749

UL 749

Household Dishwashersstandard by Underwriters Laboratories, 05/25/2023

UL 8400

UL 8400

Virtual Reality, Augmented Reality and Mixed Reality Technology Equipmentstandard by Underwriters Laboratories, 04/28/2023

UL 60335-2-40

UL 60335-2-40

Household And Similar Electrical Appliances - Safety - Part 2-40: Particular Requirements for Electrical Heat Pumps, Air-Conditioners and Dehumidifiersstandard by...

UL 61730-2

UL 61730-2

Photovoltaic (PV) Module Safety Qualification - Part 2: Requirements for Testingstandard by Underwriters Laboratories, 10/28/2022

Back to Top