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10          IOM-ACV-113-40_6113-40 2115 

EDP# 1917087 

© 2021 Watts

IOM-ACV-113-40_6113-40 2115 

EDP# 1917087 

© 2021 Watts         11

NOTES

Содержание LFM113-40

Страница 1: ...g the Solenoid 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: ...led 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 from the valve if necessary Tubing and fittings s...

Страница 3: ...alve bleed air by loosen ing a fitting on the valve or a plug at the highest point of the valve assembly STEP 5 Pressure the line by opening the upstream isolation valve slowly Air is vented through the air bleed valve or loosened fitting Tighten the fitting when liquid begins to vent See Figure 1 Repeat the process until no air is trapped in the system Globe Angle Size in 11 4 11 2 2 21 2 3 4 6 8...

Страница 4: ...of the main valve If the main valve is opening too slowly turn the adjustment screw OUT counterclockwise increasing the rate of opening See Figure 2B If the main valve is opening too quickly turn the adjustment screw IN clockwise decreasing the rate of opening See Figure 2A STEP 8 Energize De Energize each solenoid to hold main valve position STEP 9 Energize De Energize each solenoid to close main...

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: ...k 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 valve does not close disassemble and remove blockage Worn damaged valve seat Perform seat sealing check disassemble and inspect re pair se...

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 3 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 113 40_6113 40 2115 EDP 1917087 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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