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UL 1739

Original price was: $187.32.Current price is: $93.00.

Pilot-Operated Pressure-Control Valves for Fire-Protection Service

Underwriters Laboratories , 04/28/2017

Category:
Standard By:Underwriters Laboratories , 04/28/2017
Published:04/28/2017
Please note: All interim revisions for this edition available at time of your purchase will be included.

Original price was: $102.34.Current price is: $51.00.

Pilot-Operated Pressure-Control Valves for Fire-Protection Service

Underwriters Laboratories , 06/07/2012

Category:
Standard By:Underwriters Laboratories , 06/07/2012
Published:06/07/2012
Please note: All interim revisions for this edition available at time of your purchase will be included.

These requirements cover pilot-operated pressure-control valves intended to reduce the water pressure in the supply piping for standpipe systems, or sprinkler systems, or both.

The valves covered by these requirements are intended for use in: a) Standpipe systems installed in accordance with the Standard for Installation of Standpipe and Hose Systems, NFPA 14; or

b) Sprinkler systems installed in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13.

The valves covered by these requirements are intended to be inspected, tested, and maintained in accordance with the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, NFPA 25.

Original price was: $270.55.Current price is: $135.00.

Pilot-Operated Pressure-Control Valves for Fire-Protection Service

Underwriters Laboratories , 06/04/2004

Category:
Standard By:Underwriters Laboratories , 06/04/2004
Published:06/04/2004

This new edition of ANSI/UL 1739 is a periodic re-issuance to ensure that UL’s Standards remain up to date with regard to format and editorial issues such as numbering, pagination, and cross-referencing.

1 Scope

1.1 These requirements cover pilot-operated pressure-control valves intended to reduce the water pressure in the supply piping for standpipe systems, or sprinkler systems, or both.

1.2 The valves covered by these requirements are intended for use in:

a) Standpipe systems installed in accordance with the Standard for Installation of Standpipe and Hose Systems, NFPA 14; or

b) Sprinkler systems installed in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13.

1.3 The valves covered by these requirements are intended to be inspected, tested, and maintained in accordance with the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, NFPA 25.

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