Type 2651

Flange

10 | 12

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4.

Performance specifications

4.1. Pressure temperature diagram

60

50

40

30

16

10

−10

0

50

100

150

200

P (bar)

T (C°)

2.5 bar

For general industrial use

4.2. Torques

Note:

The values were measured under the following conditions: Max. Δp, ambient temperature, medium: water

Torques - for ball valves with a PN 16 pressure rating

DN [mm]

15

20

25

32

40

50

65

80

100

125

150

200

Breakaway torque [Nm] 12

14

18

32

42

57

83

120

183

441

583

688

Running torque [Nm]

10

12

16

29

30

38

69

80

122

299

384

456

Torques - for ball valves with a PN 40 pressure rating

DN [mm]

15

20

25

32

40

50

65

80

100

125

150

200

Breakaway torque [Nm] 18

24

42

63

81

120

210

293

390

882

1166

1376

Running torque [Nm]

16

21

40

55

57

80

160

195

260

598

768

912

4.3. Nominal flow

Note:

The nominal flow K

VS acc. VDI/VDE 2173 indicates the flow in cubic meters per hour, at Δp= 1 bar and + 15 °C.

Nominal flow – K

VS value [m

3

/h]

DN [mm]

15

20

25

32

40

50

65

80

100

125

150

200

K

VS [m

3

/h]

19.4

45.6

71.5

105

170

275

507

905

1414

2362

3674

7155

5.

Ordering information

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