Watts 672GD-20 Скачать руководство пользователя страница 11 | Manualshive

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10 IOM-A-ACV-972-20_672-20 2115

EDP# 1917112

© 2021 Watts

IOM-A-ACV-972-20_672-20 2115

EDP# 1917112

© 2021 Watts 11

NOTES

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Содержание 672GD-20

Страница 1: ...ting the Float Control Valve 3 Maintenance Schedule 6 Trouble Shooting Guide 6 Valve Disassembly Instructions 8 ACV Schematic 11 Local building or plumbing codes may require modifica tions to the info...

Страница 2: ...and guide wear may occur if valve is not installed according to factory recommendations Consult factory for detailed engineering review prior to order ing if valve is to be installed other than horiz...

Страница 3: ...valve See Figure 1 STEP 3 Pressure the line by opening the upstream isolation valve slowly Air is vented through the air bleed valve Tighten the fitting when liquid begins to vent See Figure 1 STEP 4...

Страница 4: ...rate the float linkage mechanism allowing for the main valve to respond to the pilot STEP 14 Adjust Upper stop if main valve action allows the tank level to be higher than desired When tank is full va...

Страница 5: ...specification sheets for approximate cover capacity A continuous flow of water from the open port indicates a damaged diaphragm or loose disc diaphragm assembly Disassemble valve and replace diaphragm...

Страница 6: ...1 2 turns open from full closed position Can be adjusted in field Main Valve will not close Closed isolation valves in pilot system Check isolation valves ensure open Diaphragm is damaged Conduct diap...

Страница 7: ...move cover nuts and washers 3 Remove the cover If cover is not free to be removed loosen it by tapping upward along its outside edge with a dull cold chisel pic tured above a Large valves may require...

Страница 8: ...rush or by using a Mineral Dissolving Solution Inspect parts for wear and replace if necessary 7 Inspect valve seat If seat is not damaged removal is not necessary Valve seats 6 and smaller are thread...

Страница 9: ...uts in a crossing pattern to ensure even distribution Test the Disc and Diaphragm Assembly for smooth travel by following the Freedom of Movement Test procedure in previous section 11 Test the integri...

Страница 10: ...ess Steel 10 Diaphragm Washer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 11 Diaphragm Buna N Nitrile 12 Disc Retainer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 13 Seat Disc Buna N Nitrile 14 Spac...

Страница 11: ...IOM A ACV 972 20_672 20 2115 EDP 1917112 2021 Watts 11 NOTES...

Страница 12: ...resulting from labor charges delays vandalism negligence fouling caused by foreign material damage from adverse water conditions chemical or any other circumstances over which the Company has no cont...

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