UL 429A
Outline of Investigation for Electrically Operated Valves for Fire Protection Service

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2001-07-31DOD Approved: --
Price Code:AANSI Approved: --
Type:outline

  • SCOPE

    1 Scope

    1.1 These requirements cover electrically operated valves intended for use in fire service systems such as sprinkler systems installed in accordance with the Standard for the Installation of Sprinkler Systems, NFPA 13.

  • TABLE OF CONTENTS
    Expand All

    • Outline Title Page
    • Table of Contents
    • UL Foreword
      • Body
        • INTRODUCTION
          • 1 Scope
        • CONSTRUCTION
          • 2 General
        • PERFORMANCE
          • 3 Overpressure Operation Test
          • 4 Undervoltage Operation Test
          • 5 High-Temperature Endurance Test
          • 6 Low-Temperature Endurance Test
          • 7 Seat Leakage Test