Siemens universal electric butterfly valve, on-off butterfly valve, regulating butterfly valve, globally applicable
Siemens electric butterfly valve is an important execution unit in the field of industrial automation control. Electric butterfly valve belongs to a variety of electric valves and electric regulating valves. The main connection methods are flange type and clamp type. It is an important execution unit in the field of industrial automation control.
Siemens electric butterfly valves currently include VKF42 clamp butterfly valves and VFF series flange butterfly valves.
VKF42 series
main features
Can be used for closed/open water systems
Full range of butterfly valves with diameters ranging from DN50 to DN600
The valve body can withstand a pressure of up to 16 bar
Main features of Siemens butterfly valve actuator
25Nm .. 2650Nm angular stroke electric actuator
Can achieve switch and adjustment (0... 10V) control
7 Bar cut-off pressure difference (△ Ps)
Switch type and adjustable type can be equipped with auxiliary limit switch outputs for fully open and fully closed positions.
Switch type can be configured with 0-1000 Ω potentiometer feedback
Introduction to VKF42 Butterfly Valve
- Can achieve switch and analog quantity adjustment
- EPDM sealing, flange to flange connections compliant with ISO 7005 for PN6, PN10, and PN16
- Used in closed-loop or open-loop systems, the medium can be controlled as chilled water, low-temperature hot water, domestic hot water, cold water, or fresh water
Technical parameters of VKF42 butterfly valve
90 degree angular travel
Rated pressure PN 16 in accordance with EN1333
Allowable working pressure 1600 kPa (16 bar)
Traffic characteristics
Leakage level A complies with ISO 5208 (tight seal)
Allow media such as chilled water, low-temperature hot water, cooling water, saltwater, mineral free water (softened water), water mixed with antifreeze, and air. Suggestion: Water treatment should comply with VDI 2035 standard
Pipeline connection flange (1) PN 16 in accordance with ISO 7005
Face to face dimensions DIN EN 558, series 20
Top flange (flange for installing actuators) EN ISO 5211
Rotation angle 90 °
Standard Environmental Compatibility ISO 14001 (Environment) ISO 9001 (Quality) RL 2002/95/EG (RoHS)
Valve body DN 50... 150 gray cast iron EN-GJL-200 (HT200)
DN 200... 600 ductile iron EN-GJS-450-10 (QT450-10)
Valve shaft stainless steel 1.4021 (2Cr13)
Valve plate ductile iron EN-GJS-450-10 (QT450-10), nylon coating
Valve seat EPDM
VKF42 butterfly valve is suitable for switch actuator: SQL321B25,SQL321B50,SQL321B150,SQL321B270,SQL321B570,SQL321B1400,SQL321B2650;
VKF42 butterfly valve is suitable for analog actuators: SQL361B50,SQL361B150,SQL361B270,SQL361B570,SQL361B1400,SQL361B2650
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