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AVK SERIES 854 BALL FLOAT VALVE
FIELD MAINTENANCE AND INSTRUCTION
MANUAL FOR BALL FLOAT VALVES

TABLE OF CONTENTS

INTRODUCTION TO AVK/GLENFIELD SERIES 854 VALVE
GENERAL MAINTENANCE INSTRUCTIONS
SPARE PARTS
AVK GROUP A/S
An ISO 9001-2000 registered
Maintenance Manual Series 854
*Subject to change without notice.

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Summary of Contents for AVK 854 series

  • Page 1: Table Of Contents

    AVK SERIES 854 BALL FLOAT VALVE FIELD MAINTENANCE AND INSTRUCTION MANUAL FOR BALL FLOAT VALVES TABLE OF CONTENTS GENERAL SERIES 854(TYPICAL EXPLODED VIEW) COMPONENT LIST INTRODUCTION TO AVK/GLENFIELD SERIES 854 VALVE DESIGN CONSTRAINTS STORAGE AND HANDING INSTALLATION & COMMISSIONING FLANGE COMPARISON...
  • Page 2: General

    General Instructions for Use Thank you for selecting a AVK/Glenfield Product, with correct use, it will give long and reliable service. This manual has been prepared to assist you install, operate and maintain the valve to the maximum efficiency. For case of reference, it has been divided into sections covering all aspects of use, and it is in the users best interests to read it and ensure that it is fully understood.
  • Page 3 Series 854 Ball Float Valve Typical Exploded View Page 2...
  • Page 4: Series 854(Typical Exploded View) Component List

    Series 854 Component List Item Number Description Material Body Ductile iron Cylinder Ductile iron Fulcrum Bracket Ductile iron Valve Centre Gunmetal Piston Bolt Gunmetal Ball Float Polypropylene Lever Mild steel hot dip galvanized Hinge Pins Stainless steel Links Hot dip galvanized steel Piston Ring synthetic rubber O-Ring Seal...
  • Page 5 Introduction to Series 854 Ball Float Valve The Series 854 Ball Float Valve controls discharge of water into a tank or closed open Page 4...
  • Page 6: Design Constraints

    Design Constraints Please consider the following points when selecting and installing your valve: · Consideration should be given at the design stage where valves will be located to give access for operation, adjustment, maintenance and repair. · Valves must be provided with adequate support. ·...
  • Page 7: Storage And Handing

    Storage and Handling Storage · If valves are to be stored in the open for some time, protection should be provided to keep the valves clear of sand and mud. · Avoid damaging the protective coating. · They should not be stored in dust laden or saline environments. ·...
  • Page 8: Installation & Commissioning

    Installation and Commissioning Before Installing · All special packaging material must be removed. · Check that all sealing faces are free from damage. (See Spare Parts Section P15) · Check that the pipeline is free from debris. · To ensure adequate sealing it is important to select the correct type of gasket for the medium concerned.
  • Page 9: Flange Comparison

    British Metric Flange Comparison Flange Pitch Circle No. and dia. Of Dia. Of Flange Raised Face Raised Face Pipe Diameter Diameter Bolts Bolt Holes Thickness Diameter Height Pipe Dia. 4504/4772 4504/4772 4504/4772 4504/4772 4504/4772 4504/4772 8 M16 8 M16 8 M20 8 M20 12 M20 12 M20...
  • Page 10 Operation and Maintenance Instructions Operation also that all pin joints and linkages are greased and checked for freedom of movement. Maintenance It is always recommended that wherever work is being carried out on a valve that may involve the release of any internal pressure, the valve is fully isolated and depressurised prior to carrying it out, It is essential that the user of the valve is aware of the weight of the components and / or assemblies that must be handled and manipulated during installation and maintenance.
  • Page 11 Operation and Maintenance Instructions cont. Cut away view to show assembled component positions Grit/ Stone/ Debris in valve Page 10...
  • Page 12: Seal Renewal

    Seal Renewal It is always recommended that wherever work is being carried out on a valve that may involve the release of any internal pressure, the valve is fully depressurised prior to carrying it out, and for It is essential that the user of the valve is aware of the weight of the components and / or assemblies that must be handled and manipulated during installation and maintenance.
  • Page 13 AVK/Glenfield can accept no responsibility whatsoever for the fitting and subsequent failure of any non-AVK/Glenfield or non-approved parts. AVK/Glenfield recommend that these spare parts are purchased when ordering Series 854 Ball Float valves.