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AVK 854 series, Manual

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AVK 854 series Manual Download Page 4

Page 3

Series 854 Component List

Item Number

Description

Material

1

Body

Ductile iron

2

Cylinder

Ductile iron

3

Fulcrum Bracket

Ductile iron

4

Valve Centre

Gunmetal

5

Piston Bolt

Gunmetal

6

Ball Float

Polypropylene

7

Lever

Mild steel hot dip galvanized

8

Hinge Pins

Stainless steel

9

Links

Hot dip galvanized steel

10

Piston Ring

synthetic rubber

11

O-Ring Seal

synthetic rubber

12

Seat Ring

Gunmetal

13

Valve Face

synthetic rubber

14

Valve Guide

Gunmetal

15

Fasteners (FLoat to Lever)

zinc steel plated

16

Fasteners (Fulcrum to Cylinder)

zinc steel plated

Summary of Contents for 854 series

Page 1: ...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 GENERAL MAINTENANCE INSTRUCTIONS SEAL RENEWAL SPARE PARTS AVK GROUP A S ...

Page 2: ...l times that undertake these operations be adequately trained The hazards of pressurised liquids and gases can be severe and it is the responsibility of the users to ensure that trained competent staff undertake these duties This manual has been designed to assist but it can never fully replace be covered by this manual reliable standard This provides a safe product with minimum risk to health whe...

Page 3: ...Page 2 Series 854 Ball Float Valve Typical Exploded View 2 14 10 13 11 8 9 5 15 6 7 1 12 4 3 16 ...

Page 4: ...olt Gunmetal 6 Ball Float Polypropylene 7 Lever Mild steel hot dip galvanized 8 Hinge Pins Stainless steel 9 Links Hot dip galvanized steel 10 Piston Ring synthetic rubber 11 O Ring Seal synthetic rubber 12 Seat Ring Gunmetal 13 Valve Face synthetic rubber 14 Valve Guide Gunmetal 15 Fasteners FLoat to Lever zinc steel plated 16 Fasteners Fulcrum to Cylinder zinc steel plated ...

Page 5: ...Page 4 Introduction to Series 854 Ball Float Valve The Series 854 Ball Float Valve controls discharge of water into a tank or closed open ...

Page 6: ... 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 Adjoining pipework must be supported to avoid the imposition of pipeline strains on the body that may impair its performance Inlet pipe must be well anchored to avoid vibration ...

Page 7: ...ld not be stored in dust laden or saline environments They should be stored at ambient temperature environments The valve sealing areas must be protected as any ingress of sand or foreign bodies will cause damage Handling bracket and lever should not be used as lifting or rigging points for valves or serious damage may occur Avoid damaging the coating protection Sealing faces should be protected t...

Page 8: ...r freedom of movement and alignment The valve sealing areas must be clean and lubricated throughout running strips Once the Valve is Installed Commissioning When the pipeline has been charged inspect the valve for any leaks and adjust as necessary in accordance with the maintenance instructions If permissable operate valve over full stroke and check for free movement Lubricat all hinge pins and li...

Page 9: ... 4504 4772 G1 D1 4504 4772 4504 4772 Dia 80 200 160 8 M16 19 22 19 132 3 80 100 220 180 8 M16 19 24 19 156 3 100 150 285 240 8 M20 23 26 19 211 3 150 200 340 295 12 M20 23 30 20 266 3 200 250 405 355 12 M24 28 32 22 319 3 250 300 460 410 12 M24 28 32 24 5 370 4 300 350 520 470 16 M20 28 36 26 5 429 4 350 400 580 525 16 M27 31 38 28 480 4 400 450 640 585 20 M27 31 40 30 548 4 450 500 715 650 20 M30...

Page 10: ...ubricate cylinder and all pin joints and linkages Check for freedom of operation and or movement If tight External Check 1 Ensure all pin joints and linkages are free from bending and are lubricated Internal Check 2 Remove the piston assembly 4 Inspect piston seal and face seal for wear damage or cuts etc to replace seal see P12 6 Inspect valve guide and seat ring for damage scoring due to grit st...

Page 11: ...Page 10 Operation and Maintenance Instructions cont Cut away view to show assembled component positions Grit Stone Debris in valve 14 11 12 13 4 10 ...

Page 12: ...aintenance It is the users responsibility to ensure that safe working practices are followed at all times Piston Ring Seal Replacement To replace the piston seal it is necessary to do the following Remove the piston assembly Remove piston seal Clean lubricate seal groove Fit new piston seal Reassemble and replace piston assembly Face seal Replacement To replace the face seal it is necessary to do ...

Page 13: ...s approved to ISO 9001 2000 It is absolutely essential therefore that in order to guarantee the highest level of safety and performance only genuine parts are used Float valves Seals gaskets Lubricants Touch up paint 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 pa...

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