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Watts LFM110-13, Установка, эксплуатация и обслуживание

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Watts LFM110-13 Скачать руководство пользователя страница 5

STEP 13

When installing float, set angle similar to Figure 4 by adjusting 
F10-11 modulating float pilot linkage screw shown in Figure 5.

4          IOM-ACV-110-13_6110-13 2115 

EDP#1917115 

© 2021 Watts

IOM-ACV-110-13_6110-13 2115 

EDP#1917115 

© 2021 Watts         5

Linkage 

Adjustment 

Screw

Figure 5 

Modulating Float Control Pilot

Figure 4 

Modulating Float Control Pilot in Tank

Содержание LFM110-13

Страница 1: ...etting 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 ...

Страница 2: ... outlet pressures A Position Indicator can be installed to provide visual indication of valve position and operation without disassembly 3 Install isolation valves upstream and downstream of the main valve 4 Provide adequate clearance for valve servicing and maintenance Refer to valve servicing dimensions on next page Avoid installing valves 6 and larger in the vertical position main valve stem ho...

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: ...rn to normal operation STEP 5 Setting the Sustaining Control requires lowering the upstream pressure to the desired minimum sustained pressure STEP 6 Leave the downstream isolation valve fully open and close the upstream isolation valve until the inlet pressure drops to the desired setting STEP 7 Adjust the Sustaining Control screw IN clockwise See Figure 2A until the inlet pressure begins to incr...

Страница 5: ...o Figure 4 by adjusting F10 11 modulating float pilot linkage screw shown in Figure 5 IOM ACV 110 13_6110 13 2115 EDP 1917115 2021 Watts 5 Linkage Adjustment Screw Figure 5 Modulating Float Control Pilot Figure 4 Modulating Float Control Pilot in Tank ...

Страница 6: ... 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 7: ...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 8: ...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 9: ... 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 6 Table 1 details the tool dimensions for seat removal Valve seats 8 and larger are held in the valve body with stainless steel c...

Страница 10: ...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 11: ...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 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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