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Optional 

Xylan 

Coating

17A

6

1

2

3

4

5

7

8

9

11

12

13

14

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18

10

ACV Assembly Diagram – Series 960GD-15-17

10          IOM-A-ACV-960-15-17_660-15-17   2115 

EDP# 1917064 

© 2021 Watts

IOM-A-ACV-960-15-17_660-15-17   2115 

EDP# 1917064 

© 2021 Watts         11

Item

Description

Material

1

Pipe Plug

Lead Free Brass

2

Cover 

ASTM A536 65-45-12 Epoxy Coated Ductile Iron

3

Cover Bearing

ASTM A276 304 Stainless Steel

4

Stud with Cover Nut and Washer

ASTM A570 Gr.33 Zinc Plated Steel

5

Body

ASTM A536 65-45-12 Epoxy Coated Ductile Iron

6

Spring

ASTM A276 302 Stainless Steel

7

Stem Nut

ASTM A276 304 Stainless Steel

8

Lock Washer

ASTM A276 304 Stainless Steel

9

Stem Washer

ASTM A276 304 Stainless 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 304 Stainless Steel

18

Seat Gasket*

Buna-N (Nitrile)

* Contained in Main Valve Repair Kit

**Note: 6 inch and Smaller Valves, Seat Ring is threaded

Installation: If unit is installed in any orientation other than 

horizontal (cover up) OR extreme space constraints exist, 

consult customer service prior to or at the time of order. 

NOTICE

Содержание AMES 660GD-15-17

Страница 1: ...ting the Altitude Controls 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 inform...

Страница 2: ...oper procedures be followed Time must 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 th...

Страница 3: ...will need to be bled off the valve cover during startup The ACV includes a bleed valve use a flat head screwdriver to slowly open the valve See Figure 1 STEP 4 Pressure the line by opening the upstre...

Страница 4: ...downstream isolation valve STEP 7 If the valve remains closed as indicated by the stem position in the position indicator See Figure 2 and the tank level is known to be below the desired level SLOWLY...

Страница 5: ...be turned OUT counter clockwise an additional to turn This will lower the shut off level slightly below the tank over flow mark eliminating any wave action discharge from the over flow pipe See Figure...

Страница 6: ...cification 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...

Страница 7: ...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...

Страница 8: ...e 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...

Страница 9: ...h 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...

Страница 10: ...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 o...

Страница 11: ...Steel 9 Stem Washer ASTM A276 304 Stainless 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...

Страница 12: ...sulting 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 control...

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