BTR

BTR
BTR
BTR
3-way control valves
Kv-value 0.63...39
Size DN15 up to DN50
Temperature area -5...+185°C
BTR is a range of 3-way control valves. They are used
to control hot, cold or glycol-mixed water or steam in
heating and ventilation systems.
Pressure class PN16
Differential pressure 0.7...1.6 MPa
The valve range BTR is used with RVA5 actuators. The
valve is intended for cold and hot water, glycol-mixed
water or steam. The 3-way valve is intended to be used as
a mixing valve.
Function
BTR (3-way valve):
Open between port 2 and port 1 when the stem is in its
lowest position. (Is in this position closed between ports
3 and 1).
Open between port 3 and port 1 when the stem is in its
top position. (Is in this position closed between ports 2
and 1).
See drawing on overleaf.
Actuators
The valves are intended to be used with RVA5 actuators
(3-point or 0...10 V). See product sheets for RVA5 for
detailed information on suitable actuators.
BTR can also be adjusted for use with other actuator
brands (contact Systemair for more information).
Installation
The valve should be mounted according to the flow
directions on the valve.
The 3-way valve is of mixing type and should be mounted
in the mixing point.
Material
The valves have body and plug in gunmetal and stem in
stainless steel. O-ring in Viton in the packing box.
Control of refrigerants
The valves can be used with different refrigerants. In this
case, a special type of packing box should be mounted.
Contact Systemair for more information.
revision
09 2009
OK
OK

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