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Optional 

Xylan 

Coating

17A

6

1

2

3

4

5

7

8

9

11

12

13

14

15

16

17

18

10

ACV Assembly Diagram – Series 910GD-11

10          IOM-A-ACV-910-11_610-11   2115 

EDP# 1917042 

© 2021 Watts

IOM-A-ACV-910-11_610-11   2115 

EDP# 1917042 

© 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

Summary of Contents for AMES 610GD-11

Page 1: ...etting the Pressure Reducing 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...

Page 2: ...rom damaging over pressure 1 Prior to installation flush line to remove debris 2 Install valve so the flow arrow matches flow through the line and gauges to monitor valve inlet and outlet pressures A...

Page 3: ...gure 1 If your valve does not include a bleed valve bleed air by loosen ing a fitting on the valve or a plug at the highest point of the valve assembly Step 3 Pressure the line by opening the upstream...

Page 4: ...rol pressure set point by turning the Pressure Reducing Control adjustment screw IN clockwise STEP 2 Adjust the Surge Control by turning the adjustment screw OUT counterclockwise to decrease the downs...

Page 5: ...adjustment screw IN clockwise decreasing the rate of opening See Figure 4 Step 5 If the main valve comes equipped with a closing speed control otherwise ignore this step Closing Speed Needle Valve Ad...

Page 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...

Page 7: ...ly by partially opening from full closed position Improperly configured opening speed control if equipped Adjust opening speed control to verify functionality adjust as required Standard setting for o...

Page 8: ...move 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...

Page 9: ...rush 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 thread...

Page 10: ...ts 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 integrit...

Page 11: ...el 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 Iro...

Page 12: ...resulting 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 cont...

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