Overview:
VK4 ... series,
adjustable flow ratio, high reliability, high life, the use of graphite
reinforced PTFE valve seals, valve stem seals double EPDM. Built-one assignment
butterfly, afraid of reverse pressure. Equal percentage flow characteristic.
High Off strength 1.4MPa. Rated working pressure PN16. Maximum working pressure
0.35Mpa. With manual actuator shorted button. -5 To 121 ° C operating temperature.
Suitable for central air-conditioning, heating system, hot and cold water,
steam humidification.
Features and performance:
1, VK4 ...
series electric control valve, wide application, full-featured
l Built-one
rectifier dispatch
l equal percentage
flow characteristic
l adjustable
flow regulator valve than
l drives with
different torque selector
l controlled by
a switch, the floating-point control, continuous adjustment or three control
modes
2, VK4 ... series electric control valve design working
pressure is high, almost to meet all needs of HVAC system working pressure:
l design working
pressure: 1.6Mpa
l Maximum
working pressure: 0.35Mpa
3, VK4 ... series electric control valve, adjustable flow
ratio is extremely high, under any load conditions can be precisely controlled
flow of security
l Built-in
integration of high-strength material rectification dispatch, the risk of
non-shedding
4, VK4 ... series control valve, stainless steel ball
valve and valve apply to all HVAC applications:
l suitable for
operating temperatures from -5 to 121 oC
l is applicable
to an aqueous solution of 50% ethylene glycol
l applicable to
saturated steam 100kPa
l applicable to
water systems containing rust
5, VK4 ... series control valve, electric actuator
selection easier, several actuators and fittings to meet all application
requirements:
|
Actuator
|
DN65、DN80
|
DN100、DN125
|
DN150
|
|
Non-Spring
|
16Nm
|
24Nm
|
32Nm
|
6, VK4 ...
series control valve, fittings with high strength materials.
l high strength
l suitable for
high or low temperatures
l resistance to
chemical corrosion
l previously
retained pipe insulation required space
l and VK1 ...
series actuators match with four screws between the connector and the valve
body
7, VK4 ... series control valve, the valve seal with PTFE
graphite added manufacturing materials, double stem seal with EPDM materials:
l extraordinary
anti-wear
l low torque
required to switch valve
l double
anti-leak stem seal design
l unique PTFE
Teflon stem locating ring
8, VK4 ... series control valve, compact, large range of
options, wide range of applications:
l various forms
of air handling units
lVAV VAV,
dehumidification, fan coil
l monomer fan
unit
l air preheat
coil means
l rooftop air
conditioning units
l boiler
systems, chiller
Technical Data Sheet:
