Watts LFM110-18 Скачать руководство пользователя страница 11 | Manualshive

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10 IOM-ACV-110-18_6110-18 2115

EDP# 1917111

© 2021 Watts

IOM-ACV-110-18_6110-18 2115

EDP# 1917111

© 2021 Watts 11

NOTES

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Содержание LFM110-18

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 information provided You are required to consult the local building and plumbing codes prior to installation If the information provided here is not consistent with local building or plumbing codes the lo...

Страница 2: ...m 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 horizontally in line 5 If valve is equipped with a pilot control system extra precautions should be made during installation to protect the piping circuit from damage Only remove the pilot control system ...

Страница 3: ...he 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 Slowly open downstream isolation valve to establish flow through the system Globe Angle Size in 11 4 11 2 2 21 2 3 4 6 8 10 12 14 16 20 24 A in 16 16 20 22 22 24 32 34 38 44 48 52 56 56 B in 10 10 ...

Страница 4: ...erate 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 valve starts closing See Figure 4 Setting the Sustaining Control STEP 5 Setting the Sustaining Control requires lowering the upstream pressure to the desired minimum sustained pressure STEP 6 Leave the...

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 or tighten disc diaphragm assembly Test 2 Seat Seal Test 1 Close downstream isolation valve and install pressure gauges on an open inlet and outlet port of main valve 2 Open upstream isolation valve...

Страница 6: ...2 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 diaphragm seal test repair and replace if necessary Main valve stem assembly corroded damaged Inspect stem assembly clean replace if necessary Blockage in main valve Perform freedom of movement test if ...

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 require the installation of lifting eye bolts in order to facilitate cover removal installation ports are provided on the cover for this purpose 4 Remove the Disc and Diaphragm Assembly from the valve body ...

Страница 8: ...brush 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 threaded into the body of the valve and require a seat removal tool Figure 5 Table 1 details the tool dimensions for seat removal Valve seats 8 and larger are held in the valve body with stainless steel ca...

Страница 9: ...Nuts 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 integrity of the Seat Seal by following the Seat Seal Test procedure in previous section 12 Return valve to service by following instructions on the Technical Bulletin matching the valve function Size in 11...

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 Spacer Washer x5 NY300 Fiber 15 Disc Guide ASTM A743 CF8M 316 Stainless Steel 16 Shaft ASTM A276 304 Stainless Steel 17 Seat Ring ASTM A743 CF8M 316 Stainless Steel 17A Seat Screw 8 and Larger ASTM A276 3...

Страница 11: ...IOM ACV 110 18_6110 18 2115 EDP 1917111 2021 Watts 11 NOTES ...

Страница 12: ...not be responsible for any incidental special or consequential damages including without limitation lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly other costs resulting from labor charges delays vandalism negligence fouling caused by foreign material damage from adverse water conditions chemical or any other circumstances o...

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