Standard for Dry Pipe and Deluge Valves for Fire-Protection Service

UL Red Line Edition 7 Published Date: July 03, 2018

Scope

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1 Scope

1.1 These requirements cover valve equipment intended for installation in piping systems to supply water automatically to dry pipe, deluge, and pre-action sprinkler systems for fire-protection service.

1.2 Valves covered by these requirements may be a differential type, latched-clapper type, or a combination of these types.

1.3 The valves covered by these requirements are intended for installation and use in accordance with the following standards:

a) Standard for Low-, Medium-, and High-Expansion Foam, NFPA 11.
b) Standard for the Installation of Sprinkler Systems, NFPA 13.
c) Standard for the Installation of Standpipe and Hose Systems, NFPA 14.
d) Standard for Water Spray Fixed Systems for Fire Protection, NFPA 15
e) Standard for the Installation of Foam-Water Sprinkler and Foam-Water Spray Systems, NFPA 16

1.4 This standard does not cover low-differential dry pipe valves or valves with differentials outside of the requirement specified for differential dry pipe valves.

Summary of Topics s0260_7_sum.html

Summary of Topics

This revision of ANSI/UL 260 includes the following changes in requirements:

Clarifications on Valve Trim Accessories and Friction Loss

Pipe Size Extension

Back to Standard 260, Edition 7

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Standard for Dry Pipe and Deluge Valves for Fire-Protection Service

1 Scope

Summary of Topics

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