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10          IOM-A-ACV-950_650   2115 

EDP# 1917070 

© 2021 Watts

IOM-A-ACV-950_650   2115 

EDP# 1917070 

© 2021 Watts         11

Optional 

Xylan 

Coating

17A

6

1

2

3

4

5

7

8

9

11

12

13

14

15

16

17

18

10

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

ACV Assembly Diagram – Series 950GD

Содержание AMES 950GD

Страница 1: ...te of Flow 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 information p...

Страница 2: ...es 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 t...

Страница 3: ...solation valve slowly Air is vented through the air bleed valve Tighten the fitting when liquid begins to vent See Figure 1 Repeat the process until no air is trapped in the system STEP 4 Slowly open...

Страница 4: ...the meter register adjust the Rate of Flow Control Turn the adjustment screw IN clockwise to increase the flow rate regulated See Figure 2A Turn the adjustment screw OUT counterclockwise to reduce or...

Страница 5: ...ve 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 diaphr...

Страница 6: ...d 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 rep...

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 requi...

Страница 8: ...e 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 thr...

Страница 9: ...r 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 inte...

Страница 10: ...s 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...

Страница 11: ...IOM A ACV 950_650 2115 EDP 1917070 2021 Watts 11 NOTES...

Страница 12: ...sts 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 c...

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