AVK 816 Series Maintenance And Instruction Manual Download Page 3

page 2

Item No.

Description

Material

801

Body

Ductile iron, ASTM A536 with EPDM, NSF61 Liner

804

Shaft O-ring

NBR

805

Drive Shaft

304 Stainless steel - Class 150, 17-4PH Stainless steel - Class 250

806

Stub Shaft

304 Stainless steel - Class 150, 17-4PH Stainless steel - Class 250

807

Disc

Epoxy coated ductile iron with NiCu-7 welded edge

810*

Key

304 Stainless steel

811

Gearbox 

N/A

812

Hand Wheel

Mild Steel

814

Gearbox Bolt

304 Stainless steel

815

Gearbox Washer

304 Stainless steel

816

Hand Wheel Set Screw

304 Stainless steel

817

Stem Plate Screws

304 Stainless steel

818

Stem Plate

304 Stainless steel

819

O-ring Bushing

Acetal

820

Stem-Disc Screws

304 Stainless steel

821

Axial Bearing

Aluminum Bronze

822

Bearing Adjustment Screws

304 Stainless steel

823

Bearing Retaining Screws

304 Stainless steel

824

End Plate O-ring

NBR

825

End Plate

Ductile iron, ASTM A536

826

End Plate Washers

304 Stainless steel

827

End Plate Bolts

304 Stainless steel

828

Stem Plug O-ring

NBR

829

Stem Plug

304 Stainless steel

*Key (810) not used on 3"-12" sizes.

Summary of Contents for 816 Series

Page 1: ...TH S767 TRAVELING NUT ACTUATOR OR HAND OPERATED LEVER TABLE OF CONTENTS EXPLODED ASSEMBLY PARTS LIST INTRODUCTION DESCRIPTION RECEIVING AND STORAGE INSTALLATION FLANGED AND WAFER VALVES MECHANICAL JOINT VALVES MECHANICAL JOINT BY FLANGE VALVES MAINTENANCE VALVE DISC POSITION ADJUSTMENT STEM SEAL REPLACEMENT TROUBLESHOOTING REPAIR PROCEDURES STEM SEAL REPLACEMENT DISC POSITION ADJUSTMENT PARTS AND ...

Page 2: ...tem Plate 819 O ring Bushing 820 Stem Disc Screws 821 Axial Bearing 822 Bearing Adjustment Screws 823 Bearing Retaining Screws 824 End Plate O ring 825 End Plate 826 End Plate Washers 827 End Plate Bolts 828 Stem Plug O ring 829 Stem Plug 830 Lever Assembly 831 Lever Plate 832 Lever Plate Screw 833 Lever Plate Washer 834 Lever Plate Nut 807 801 805 810 819 804 819 818 817 811 806 827 826 825 824 8...

Page 3: ... 304 Stainless steel 815 Gearbox Washer 304 Stainless steel 816 Hand Wheel Set Screw 304 Stainless steel 817 Stem Plate Screws 304 Stainless steel 818 Stem Plate 304 Stainless steel 819 O ring Bushing Acetal 820 Stem Disc Screws 304 Stainless steel 821 Axial Bearing Aluminum Bronze 822 Bearing Adjustment Screws 304 Stainless steel 823 Bearing Retaining Screws 304 Stainless steel 824 End Plate O ri...

Page 4: ...TION Make sure all mounting surfaces and disc seats are clean and free of foreign materials Check the Gearbox bolting to the valve for any loosening during transit If loose tighten the mounting hardware Open and close the valve to verify operation and proper stop adjustments for both the open and closed positions Check that the valve rotation direction is correct and close the valve prior to insta...

Page 5: ...gland and valve is even around the socket Use a star pattern when tightening the bolts See AWWA C111 for further information Valve Diameter Inches Bolt Diameter Inches Recommended Torque ft lb 3 5 8 45 60 4 24 3 4 75 90 MECHANICAL JOINT by FLANGE VALVES See the instructions above for flanged and mechanical joint installation MAINTENANCE SERIES 816 BUTTERFLY VALVE MAINTENANCE The AVK S816 butterfly...

Page 6: ...Fig 1 page 5 ...

Page 7: ...ting bolts c Carefully slide the actuator from the valve stem Do not lose the actuator plate pins or stem keys 2 Remove the stem cover plate 3 Using a small tool pull the upper o ring packing ring off the valve stem 4 Using the same tool remove the o ring 5 Insert a new o ring 6 Replace the packing ring 7 Replace the stem cover plate 8 Reinstall the actuator a Place the actuator on the stem Use th...

Page 8: ...om installation prior to approval from AVK this warranty shall be void As to motors gearing or accessory equipment purchased by AVK Company from other manufacturers and used or incorporated into AVK Company s products those manufacturers warranties shall apply AVK Company s sole responsibility shall be in its sole discretion to replace the product with the same or a similar product repair the prod...

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