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IOM-A-ACV-985_685   2115 

EDP# 1917102 

© 2021 Watts

USA: Backflow

  T: (978) 689-6066 • F: (978) 975-8350 • AmesFireWater.com

USA: Control Valves

  T: (713) 943-0688 • F: (713) 944-9445 • AmesFireWater.com

Canada: 

 T: (888) 208-8927 • F: (905) 481-2316 • AmesFireWater.ca

Latin America:

  T: (52) 55-4122-0138 • AmesFireWater.com

Содержание AMES 985GD

Страница 1: ...Control 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 information provided You...

Страница 2: ...st be allowed for the valve to react to adjustments and the system to stabilize The objective is to bring the valve into service in a controlled manner to protect the system from damaging over pressur...

Страница 3: ...ement and remove excess air trapped within the cover chambers See Figure 1 Below To increase the rate of opening closing turn the adjustment screws on the speed controls OUT counterclockwise In decrea...

Страница 4: ...t located on the upper chamber While free flow goes into the lower chamber the Opening speed flow control restricts flow out of the upper cham ber of the main valve If valve opening is too slow turn t...

Страница 5: ...ve 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 diaphr...

Страница 6: ...Valve will not close Closed isolation valves in pilot system Check isolation valves ensure open Diaphragm is damaged Conduct diaphragm seal test repair and replace if necessary Main valve stem assembl...

Страница 7: ...Remove 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 requi...

Страница 8: ...deposits and inspect for excessive wear Remove any mineral build up from other components with wire brush or by using a Mineral Dissolving Solution Inspect parts for wear and replace if necessary 7 I...

Страница 9: ...bly for smooth travel by following the Freedom of Movement Test procedure in previous section 11 Test the integrity of the Seat Seal by following the Seat Seal Test procedure in previous section 12 Re...

Страница 10: ...and Smaller ASTM A276 302 Stainless Steel 13A Bearing Retaining Ring 4 and Larger ASTM A276 302 Stainless Steel 14 Inner Bearing ASTM A276 304 Stainless Steel 15 O ring Buna N Nitrile 16 O ring Buna...

Страница 11: ...IOM A ACV 985_685 2115 EDP 1917102 2021 Watts 11 NOTES...

Страница 12: ...Watts USA Backflow T 978 689 6066 F 978 975 8350 AmesFireWater com USA Control Valves T 713 943 0688 F 713 944 9445 AmesFireWater com Canada T 888 208 8927 F 905 481 2316 AmesFireWater ca Latin Ameri...

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