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6

 

ES-A-ACV-LF920GD  2115 

© 2021 Watts

Flanged and Threaded

Grooved End

E

E

A

B

C

E

F

D

Valve  

Size

Globe Grooved

Cover To Center

Angle Grooved

Angle Grooved

Port Size

(npt)

Port Size

(npt)

Shipping Weights*

A

B

C

D

E

F

in.

in.

mm

in.

mm

in.

mm

in.

mm

in.

in.

lbs.

kgs.

1

 

1/4

8

 

1/2

216

5

 

1/2

140

4

 

1/4

108

3

 

1/4

83

 

3/8

1/4

25

11

1

 

1/2

8

 

1/2

216

5

 

1/2

140

4

 

1/4

108

3

 

1/4

83

 

3/8

1/4

25

11

2

9

229

6

 

1/2

165

4

 

3/4

121

3

 

1/4

83

 

3/8

 

1/2

40

18

2

1

2

11

279

7

 

1/2

191

5

1

2

140

4

102

 

1/2

 

1/2

65

29

3

12

1

2

318    

8

 

1/4

210

6

152

4

 

1/4

108

 

1/2

 

1/2

95

43

4

15

381

10

 

5/8

270

7

 

1/2

191

5

127

 

3/4

 

3/4

190

86

6

20

508

13

 

3/8

340

 

3/4

 

3/4

320

145

8

25

3

8

645

16

406

1

1

650

295

Grooved End Dimensions

Dimensions 

Flanged and Threaded Dimensions

I

H

B
C

D           

J

F

E

G

K

L

K

A

K

Valve 

Size

Globe Thread Globe 150#

Globe 300#

Cover To      

Center

Angle Thread Angle 150#

Angle 300# Angle Thread Angle 150#

Angle 300# Port Size 

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.

1

 

1/4

7

 

1/4

184

5

 

1/2

140

 

3/8

 

1/4

20

9

1

 

1/2

7

 

1/4

184

8

 

1/2

216

5

 

1/2

140

3

 

1/4

83

1

 

7/8

48

 

3/8

 

1/4

25

11

2

9

 

3/8

238

9

 

3/8

238

10

254

6

 

3/4

171

4

 

3/4

120

4

 

3/4

121

5

127

3

 

1/4

83

3

 

1/4

83

3

 

1/2

89

 

3/8

 

1/2

40

18

2

 

1/2

11

279

11

279

11

 

5/8

295

7

 

1/2

191

5

 

1/2

140

5

 

1/2

140

5

 

7/8

149

4

102

4

102

4

 

5/16

110

 

1/2

 

1/2

65

29

3

12

 

1/2

318

12

305

13

 

1/4

337

8

 

1/4

210

6

 

1/4

159

6

152

6

 

3/8

162

4

 

1/2

114

4

102

4

 

3/8

111

 

1/2

 

1/2

95

43

4

15

381

15

 

5/8

397

10

 

5/8

270

7

 

1/2

191

7

 

7/8

200

5

127

5

 

5/16

135

 

3/4

 

3/4

190

86

6

20

508

21

533

13

330

10

254

10

 

1/2

267

6

152

6

 

1/2

165

 

3/4

 

3/4

320

145

8

25

 

3/8

645

26

 

3/8

670

16

406

12

 

3/4

324

13

 

1/4

337

8

203

8

 

1/2

216

1

1

650

295

10

29

 

3/4

756

31

 

1/8

791

17

430

14

 

7/8

378 15

 

9/16

395

8

 

5/8

219

9

 

5/16

237

1

1

940

426

12

34

864

35

 

1/2

902

20

 

7/8

530

17

432

17

 

3/4

451

13

 

3/4

349

14

 

1/2

368

1

1

 

1/4

1500

680

14

39

991

40

 

1/2

1029 24

 

1/4

616

1

1

 

1/2

1675

760

16

41

 

3/8

1051 43

 

1/2

1105 25

 

1/4

640

       

1

2

3100 1406

ACV Schematic - Series LF920GD 

Содержание AMES LF920GD Series

Страница 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...

Страница 2: ...ustable setpoint It is controlled by a normally closed control pilot designed to 1 Open allowing fluid out of the main valve cover chamber when upstream pressure is above the adjustable setpoint and 2...

Страница 3: ...0GD 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 within the valve al...

Страница 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...

Страница 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...

Страница 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...

Страница 7: ...Turning the adjustment screw counterclockwise lowers the control setpoint The LFPV20C is equipped with one 1 2 NPT inlet and outlet port and a 1 4 NPT side sensing port located on the power chamber Th...

Страница 8: ...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...

Страница 9: ...e 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 packin...

Страница 10: ...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...

Страница 11: ...ols 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 of this product contact...

Страница 12: ...rated 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 Main Valve Valve Size in Di...

Страница 13: ...e 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 Body Material Stainless Steel El...

Страница 14: ...service in a controlled manner to protect the system from damaging over pressure 1 Clear the line free of slag and other debris 2 Install the valve so that the FLOW ARROW marked on the valve body tag...

Страница 15: ...and Closing Speed Turn the adjustment screws on the Closing Speed and Opening Speed Controls if the main valve is so equipped OUT counterclockwise 11 2 to 21 2 turns from full closed position STEP 2 T...

Страница 16: ...closing IF INSTALLED Opening Speed Flow Control Adjustment The Opening speed flow control allows free flow into the cover and re stricted flow out of the cover of the main valve If recovery of pres su...

Страница 17: ...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...

Страница 18: ...sembly 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 f...

Страница 19: ...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...

Страница 20: ...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...

Страница 21: ...her 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 ha...

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