Thống kê

237283
Số người đang online 4
Số truy cập hôm nay 202
Số truy cập tháng này 16877

Serie WAFER.

 

Wafer ball valve stainless steel or carbon steel.
ISO 5211 mounting holes for actuators.
Fire safe BS 6755, API 6FA, API 607.
General prescription BS 5351.
 

WORKING PRESSURE
Standard PN40.
PN40 on request only for DN65 and DN100 (A105) and “Long Version”.

END CONNECTIONS
Flanges to UNI EN 1092-1

TEMPERATURE LIMITS
From -20°C to +180°C. (AISI 316, PTFE)
From -10°C to +180°C. (A105, PTFE)

SPECIAL EXECUTIONS

  • Special gaskets available
  • Degreased version
  • Antistatic device from DN 15 to DN 32
  • ATEX certificate
  • Different materials available

 

Breaking Torque in Nm

DN size

10

20

25

32

40

50

65

80

100

PN bar

0

4

7

10

16

25

35

55

75

150

16

4,8

8,5

11,3

19

28

39

59

84,5

168

25

5,2

9,1

12

20,5

29,5

41,5

62,5

92

180

40

6

10,5

13

22,5

31,5

44

67

99

195


 

Nm

Values in Nm
Values in Nm can change depending on the material used for seats, on temperature and on the fluid used. For a safe working of the various sorts of servocontrol, it is necessary to consider a suitable safety factor.

 

 

Pressure/temperature diagram   Head loss diagram