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  • FM 1111 : 1973

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    POST-INDICATOR-VALVE-ASSEMBLY

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    Published date:  12-01-2013

    Publisher:  Factory Mutual Research Corporation

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    Table of Contents - (Show below) - (Hide below)

    I. INTRODUCTION
    II. GENERAL REQUIREMENTS
         2.1 Glossary
         2.2 Instructional Manual
         2.3 Marketing
         2.4 Markings
         2.5 Sizes
         2.6 Rated Working Pressure
         2.7 Factory Tests
    III. DESIGN
         3.1 Waterway
         3.2 Orientation
         3.3 Visibility
         3.4 Design Factors of Safety
         3.5 Water Hammer
         3.6 Operation
         3.7 Ease of Operation
         3.8 Serviceability
         3.9 Impact Resistance (Shock Loading)
         3.10 Friction Loss
         3.11 Locking
         3.12 Seat Leakage
         3.13 Materials
         3.14 Post Design
    IV. TESTS
         4.1 General
         4.2 Visibility
         4.3 Water Hammer
         4.4 Loss of Power Transmission Control
         4.5 Hydrostatic Test
         4.6 Seat Leakage
         4.7 Impact Resistance
         4.8 Durability
         4.9 Friction Loss
         4.10 Stem Seal
         4.11 Other

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    Document Type Standard
    Publisher Factory Mutual Research Corporation
    Status Current
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