Burkert Type 2300 - Manual (Page 21)

21
Technical data
Flow values for DN65 - Actuator size ø 130
Stroke [%] Kv value [m 3 /h] Stroke [%] Kv value [m 3 /h]
5 1.7 60 58.0
10 2.0 70 67.0
20 6.5 80 75.0
30 20.0 90 83.0
40 35.0 100 90.0
50 48.0
Tab. 15: Flow values for DN65 - Actuator size ø 130
Flow characteristics for DN65 - Actuator size ø 130
Stroke [%]
Kv
[m
3
/h
]
0
90
80
70
60
50
40
30
20
10
0 20 40 60 80 100
Fig. 15: Flow characteristics for DN65 - Actuator size ø 130
7.6. General technical data
Control functions (CF) The valve seat is always closed against
the medium flow
Control function A Normally closed by spring action
Control function B Normally open by spring action
Control function I Actuating function via reciprocal pressur-
ization
(not for actuator size ø 50 mm in combi-
nation with Type 8696)
Actuator sizes ø 50 mm
ø 70 mm
ø 90 mm
ø 130 mm
Materials
Valve body 316L
Actuator PPS and stainless steel
Sealing elements FKM and EPDM
Spindle sealing PTFE V rings with spring compensation
(with silicone grease)
Control cone Control cone with PTFE seal
Steel / steel seal
english
Type 2300