000121 De

CLA-VAL 100-01 Quick Valve Selection : Flow Chart

Size

End Details

Normal Flow Range [l/s] New Globe lobe Exec Execu ution tion

Angl Angle e Execu xecuti tio on

Globe Execution

NGE

AE

GE

Maximum Continuous Flow [l/s]

CAPACITY PATTERN CAVITATION RESISTANCE MATERIAL STANDARD DN [in] 1¼" 1½" 2" 2½" 3"

    D     E     W     E     R     C     S

0.6 1.0 1.6 2.5 4 -

2.4 3.8 6 10 15

0.6 1.0 1.6 2.5 4

-

2.4 3.8 6 10 15

4 6 10 16 25

4 6 10 17 25 40 61 88 157 245 353 481 628 982 1414 1924 2513

* (Auxilliary Hytrol Valve 3/8", 1/2", 3/4", 1" refer to 000130TT) DN [mm] 32 40 50 65 80 100 125 150 200 250 300 350 400 500 600 700 800

    D     E     G     N     A     L     F

1.6 2.7 4 6 10 14 25 39 56 77 100 157 226 307 402

-

6 10 15 24 37 53 94 147 212 289 377 589 848 1154 1508

0.6 1 1.6 2.7 4 6

-

2.4 3.8 6 10 15 24

0.6 1.0 1.6 2.7 4 6

-

2.4 3.8 6 10 15 24

14 25 39 56

-

53 94 147 212

14 25 39 56

-

53 94 147 212

- 377

100

100

- 377

226 - 848

Note

More Information

- Normal Flow Range based on 1 m/s to 3 m/s - Maximum Continuous Flow based on 5 m/s - Surge Flow up to 10 m/s consult factory

Quick Valve Selection (Cavitation Chart)

000121DE-1

> Refer to 000121DE-3 to -5 for friction losses

Quick Valve Selection (Performance Chart)

000121DE-2

Low

Normal

High Sizing Software

Run CLA-VAL Softwares

 Available Sizes

© Copyright CLA-VAL CO - USA

CLA-VAL Switzerland

TEL: TEL: +41 0 21 643 1555 FAX: FAX: + 41 0 21 643 1550 Web : www.cla-val.ch .cla-val.ch E-Mail: cla-val cla-val cla-val.ch cla-val.ch

NUM. REV. QUA.

000121DE B 07/02 FJ 07/02

CLA-VAL 100-01 Quick Valve Selection : Cavit ation Chart

25

25

NGE Valve

Cavitation Risk Contact CLA-VAL

20

20    ]   r   a    b    [   e   r   u   s   s   e   r    P    t   e    l   n    I  ,    i

GE / AE Valve

Cavitation Risk Contact CLA-VAL

   ]   r   a    b    [   e   r   u   s   s   e   r    P    t   e    l   n    I  ,    i

15

Pi < 2 + 6 Po 10

   P

15

Pi < 2 + 3 Po 10

   P

5

5

2 bar offset

0 0

5

2 bar offset

0 10

15

Po, Outlet Pressure [bar]

0

5

10

15

Po, Outlet Pressure [bar] NGE : New Globe Execution GE : Globe Execution AE : Angle Execution

Valve Sizing Example

Pipe diameter : 100 [mm] NGE DN 100 [mm ]

( Flow Chart 000121DE )

Below Cavitation Risk

( Cavitation Chart 000121DE-1)

Peak Flow : 20 [l/s]

Inlet Pressure : 15 [bar] Outlet Pressure : 5 [bar]

Note

Diagram to be used as a guide only.  To obtain a more accurate calculation please contact CLA-VAL.

More Information

Quick Valve Selection (Flow Chart)

Quick Valve Selection (Performance Chart) Sizing Software

000121DE

000121DE-2

Run CLA-VAL Softwares

©Copyright CLA-VAL CO - USA

CLA-VAL Switzerland

TEL: +41 (0) 21 643 1555 FAX: + 41 (0) 21 643 1550 Web : www.cla-val.ch E-Mail: cla-val cla-val.ch

NUM. 000121DE - 1 REV. A 11/99 QUA. FJ 11/99

CLA-VAL 100-01 Quick Valve Selection : Performance Chart Flanged [mm]

32

Screwed [in]

40

1 1/4" 1 1/2"

50

65

80

100

125

150

200

250

300

350

400

500

600

700

800

2"

2 1/2"

3"

-

-

-

-

-

-

-

-

-

-

-

-

Hytrol NGE Kv (m3/h)

-

-

32

43

58

119

162

209

479

799

1292

1638

1789

3049 3222

6293

6922

Cv (l/s) ζ (-)

-

-

9

12

16

33

45

58

133

222

359

455

497

847

895

1748

1923

-

-

9.5

15.3

19.8

11.3

14.9

18.6

11.2

9.8

7.8

8.9

12.8

10.8

20.0

9.7

13.7

Kv (m3/h)

26

28

47

72

101

173

-

400

666

1076

1490

-

2542

-

5940

-

-

Cv (l/s) ζ (-)

7

8

13

20

28

48

-

111

185

299

414

-

706

-

1650

-

-

2.6

4.9

4.6

5.5

6.4

5.4

-

5.1

5.8

5.4

5.8

-

6.3

-

5.9

-

-

Kv (m3/h)

23

25

58

86

119

205

-

468

857

1361

2164

-

3632

-

-

-

-

Cv (l/s) ζ (-)

6

7

16

24

33

57

-

130

238

378

601

-

1009

-

-

-

-

3.2

6.4

3.0

3.8

4.6

3.8

-

3.7

3.5

3.4

2.8

-

3.1

-

-

-

-

Hytrol GE

Hytrol AE

* (Auxiliary Hytrol Valve 3/8", 1/2", 3/4", 1" refer to 000130TT)

Q

=  Kv

∆ p

Q

=

∆ p

Cv

∆ H  =

ζ  

v2

Q Kv Cv p

H : head loss (m) v : average pipe velocity (m/s) g : gravitational constant (9.81m/s2) : resistance coefficient (-)

: rate of flow (m3/h) : flow coefficient (m3/h) : flow coefficient (l/s) : head loss (bar)

2 g 

100

For an appropriate operation, valve should be sized at 70% total Lift

90 80    )    t    f    i    l   m   e    t   s    (    t    f    i    L    %

New Globe Execution NGE

70 60

Fast Lift : 10% Cv = 25% Lift

50 40

Globe/Angle Execution GE / AE

30 20

Normal Lift : 10% Cv = 15% Lift

10 0 0

10

20

30

40

50

60

70

80

90

100

% Cv (flow coefficient)

Note

More Information

- Kv or Cv = m3/h or l/s @ 100kPa (1 bar) head loss with 15°C water (valve totally open) - Minimum Opening Pressure : 2 [m] - Minimum Differential Pressure : 5 [m]

Quick Valve Selection (Flow Chart)

For lower Opening Pressure or Differential Pressure, please contact CLA-VAL.

Sizing Software

000121DE

Quick Valve Selection (Cavitation Chart)

000121DE-1

Run CLA-VAL Softwares

© Copyright CLA-VAL CO - USA

CLA-VAL Switzerland

TEL: +41 0 21 643 1555 FAX: + 41 0 21 643 1550 Web : www.cla-val.ch E-Mail: cla-val cla-val.ch

NUM. 000121DE - 2 REV. C 07/02 QUA. FJ 07/02