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ES-A-ACV-LF960GD-15-17  2115 

© 2021 Watts

*Included in Repair Kit

Item

Description

1

 Adjusting Screw

2

Jam Nut

3

Cap

4

Spring Housing

5

Upper Chamber

6

Stud with Cover Nut and Washer x8

7

Lower Chamber

8

Upper Spring Guide

9

Spring (see below)

10

Lower Spring Guide

11

Upper Jam Nut

12

Lower Jam Nut

13

Upper Diaphragm Washer

14

Diaphragm*

15

Lower Diaphragm Washer

16

Shaft

17

Bearing

18

O-Ring*

19

Machine Screw

20

F23 Body

21

Stem

22

Spring

23

O-Ring*

24

F23 Seat

25

Disc and Retainer*

26

Spring

27

Lower Cap

28

O-Ring*

ACV Standard Components - Series LF960GD-15-17

Model 27

Altitude Pilot

D

S

C

Vent**

Sense Line

D

S

C

D

S

C

8

9

10

11
12

13

15

16

21

22

23

24

25

26

27
28

14

1

2

3

4

5

7

6

17

18

19

20

**

No

te:

 Ven

t is NOT Th

rea

de

d

Summary of Contents for AMES M Series

Page 1: ...ed contractor in accordance with local codes and ordinances WARNING Need for Periodic Inspection Maintenance This product must be tested periodically in compliance with local codes but at least once p...

Page 2: ...he Position Indicator with Air Bleed Petcock allow for visual indication of valve position and allows easy venting of air entrapped in the main valve cover chamber When upstream pressure falls below r...

Page 3: ...ies LF960GD 15 17 This Ames Automatic Control Valve ACV is a full port single chamber basic valve that incorporates a one piece disc and dia phragm assembly This assembly is the only moving part withi...

Page 4: ...530 1945 Pressure Drop psi 2 3 4 6 8 10 20 30 40 60 80 100 Flow Rate Gallons per minute Water 2 4 10 20 40 60 80 100 200 500 1000 2000 5000 10000 20000 100000 8 6 4 8 1 0 1 2 1 4 1 6 6 2 1 1 2 3 8 1 0...

Page 5: ...l 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...

Page 6: ...e NPT Port Size NPT Shipping Weights A B C D E F G H I J K L in in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in in lbs kgs 11 4 71 4 184 51 2 140 3 8 1 4 20 9 11 2 71 4 184 81 2 216 51...

Page 7: ...As water level increases the sensed tank head pressure increas es above the control setpoint of the Model 27 causing it to de pressurize the cover of the 3 Way Accelerator closing the Main Valve Turn...

Page 8: ...11 Upper Jam Nut 12 Lower Jam Nut 13 Upper Diaphragm Washer 14 Diaphragm 15 Lower Diaphragm Washer 16 Shaft 17 Bearing 18 O Ring 19 Machine Screw 20 F23 Body 21 Stem 22 Spring 23 O Ring 24 F23 Seat 25...

Page 9: ...oid Float or Altitude Pilot to operate the Main Valve open and closed When the cover of the Accelerator Pilot is de pressurized the main valve cover chamber is connected to upstream pressure causing t...

Page 10: ...lve cover This causes the main valve to close until inlet pressure is again greater than outlet Model LFCK Standard Material Brass Housing and Body Stainless Steel Indicating Rod Optional Material Sta...

Page 11: ...he free flow direction the seat moves out of the flow path to all unrestricted flow Specifications Model LFFC FLOW CLOSED Fluid Speed Controlled by Needle FLOW OPEN Free Flow Seat Full Open FLOW CLOSE...

Page 12: ...Free Diverter Ball Valves Sizes 1 4 2 Series LFB6780 M1 2 Piece Full Port Lead Free Copper Silicon Alloy Diverter Ball Valves are designed to divert liquids and gases in commercial and industrial app...

Page 13: ...Brass standard Stainless Steel optional Elastomers Nitrile standard EPDM optional Viton optional Voltage 24VDC 24VAC or 120VAC Enclosure General Purpose NEMA 4 standard Explosion Proof NEMA 6 6P 7 9 o...

Page 14: ...des The screw driver operated test cock installed on the top of the Model 50 housing provides a controlled method of removal of air from the cover chamber during start up or troubleshooting of the Mai...

Page 15: ...re used in pilot lines to provide a positive shutoff in any override or maintenance situation for simple trouble shooting This 2 piece full port valve features bottom loaded stems PTFE seats and packi...

Page 16: ...r Size 1 4 3 4 NPT Model LF60 Flo Clean Strainers are used to filter the fluid pass ing through the pilot circuit and provide protection to pilot circuit speed controls and pilots It is installed in t...

Page 17: ...ot circuit speed controls and pilots The filter element can be accessed for cleaning by removing the clean out cap or may be cleaned by installing an optional blow down ball valve The wetted surface o...

Page 18: ...tact the trip arm when the main valve is closed The collar can be positioned on the stem by loosening the set screw to actuate the switch at the desired point of valve travel Single Pole Double Throw...

Page 19: ...nstalled according to factory recommendations Consult factory for detailed engineering review prior to ordering if valve is to be installed other than horizontally in line 5 If valve is equipped with...

Page 20: ...t head screwdriver to slowly open the valve See Figure 1 STEP 4 Pressure the line by opening the upstream isolation valve slowly Air is vented through the air bleed valve Tighten the fitting when liqu...

Page 21: ...position indicator stem movement The following is dependent upon the installation application and may not be required on all valves When the valve is closed the Altitude control screw adjustment may...

Page 22: ...valve 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 di...

Page 23: ...ation 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 Blo...

Page 24: ...require a lifting eye bolt to be installed in the valve stem accessory threads located on the very top of the valve stem 5 Before removing Stem Nut examine stem threads for mineral build up Remove dep...

Page 25: ...ern 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...

Page 26: ...costs 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 n...

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